./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/constructor_state_variable_init_chain_run_all.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:28:15,045 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:28:15,094 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50e2f18-03ed-4fad-be41-456c6da0fab9/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:28:15,098 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:28:15,099 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:28:15,111 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:28:15,111 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:28:15,111 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:28:15,112 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:28:15,112 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:28:15,112 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:28:15,112 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:28:15,112 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:28:15,112 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:28:15,112 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:28:15,112 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:28:15,112 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:28:15,112 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:28:15,112 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:15,113 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:28:15,113 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:28:15,113 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:28:15,113 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:28:15,113 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:28:15,113 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:28:15,113 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:28:15,113 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:28:15,299 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:28:15,306 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:28:15,309 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:28:15,310 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:28:15,310 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:28:15,311 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50e2f18-03ed-4fad-be41-456c6da0fab9/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/constructor_state_variable_init_chain_run_all.sol_0_no_adts_000.smt2
[2025-05-07 17:28:15,312 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:28:15,314 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:28:15,570 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50e2f18-03ed-4fad-be41-456c6da0fab9/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/inheritance/constructor_state_variable_init_chain_run_all.sol_0_no_adts_000.smt2
[2025-05-07 17:28:15,572 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:28:15,573 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:28:15,573 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:28:15,573 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:28:15,574 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:28:15,575 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:15" (1/1) ...
[2025-05-07 17:28:15,607 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:15 Unit
[2025-05-07 17:28:15,607 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:28:15,607 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:28:15,608 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:28:15,608 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:28:15,619 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:15" (1/1) ...
[2025-05-07 17:28:15,619 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:15" (1/1) ...
[2025-05-07 17:28:15,641 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:15" (1/1) ...
[2025-05-07 17:28:15,641 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:15" (1/1) ...
[2025-05-07 17:28:15,646 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:15" (1/1) ...
[2025-05-07 17:28:15,647 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:15" (1/1) ...
[2025-05-07 17:28:15,648 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:15" (1/1) ...
[2025-05-07 17:28:15,650 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:15" (1/1) ...
[2025-05-07 17:28:15,652 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:15" (1/1) ...
[2025-05-07 17:28:15,662 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:28:15,663 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:28:15,663 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:28:15,663 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:28:15,663 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:15" (1/1) ...
[2025-05-07 17:28:15,665 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:15,675 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:28:15,683 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2025-05-07 17:28:15,685 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-05-07 17:28:15,693 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:28:15,693 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:28:15,693 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:28:15,693 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_5_0 given in one single declaration
[2025-05-07 17:28:15,693 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_5_0
[2025-05-07 17:28:15,693 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_5_0
[2025-05-07 17:28:15,693 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_11_A_73_0 given in one single declaration
[2025-05-07 17:28:15,693 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_11_A_73_0
[2025-05-07 17:28:15,693 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_11_A_73_0
[2025-05-07 17:28:15,693 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_41_A_73_0 given in one single declaration
[2025-05-07 17:28:15,693 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_41_A_73_0
[2025-05-07 17:28:15,694 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_41_A_73_0
[2025-05-07 17:28:15,694 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_43_A_73_0 given in one single declaration
[2025-05-07 17:28:15,694 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_43_A_73_0
[2025-05-07 17:28:15,694 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_43_A_73_0
[2025-05-07 17:28:15,694 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_42_A_73_0 given in one single declaration
[2025-05-07 17:28:15,694 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_42_A_73_0
[2025-05-07 17:28:15,694 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_42_A_73_0
[2025-05-07 17:28:15,694 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_14_constructor_72_73_0 given in one single declaration
[2025-05-07 17:28:15,694 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_14_constructor_72_73_0
[2025-05-07 17:28:15,694 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_14_constructor_72_73_0
[2025-05-07 17:28:15,694 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_38_constructor_72_73_0 given in one single declaration
[2025-05-07 17:28:15,694 INFO  L130     BoogieDeclarations]: Found specification of procedure block_38_constructor_72_73_0
[2025-05-07 17:28:15,694 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_38_constructor_72_73_0
[2025-05-07 17:28:15,694 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_36__71_73_0 given in one single declaration
[2025-05-07 17:28:15,695 INFO  L130     BoogieDeclarations]: Found specification of procedure block_36__71_73_0
[2025-05-07 17:28:15,695 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_36__71_73_0
[2025-05-07 17:28:15,695 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_35_constructor_72_73_0 given in one single declaration
[2025-05-07 17:28:15,695 INFO  L130     BoogieDeclarations]: Found specification of procedure block_35_constructor_72_73_0
[2025-05-07 17:28:15,695 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_35_constructor_72_73_0
[2025-05-07 17:28:15,695 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_40_constructor_72_73_0 given in one single declaration
[2025-05-07 17:28:15,695 INFO  L130     BoogieDeclarations]: Found specification of procedure block_40_constructor_72_73_0
[2025-05-07 17:28:15,695 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_40_constructor_72_73_0
[2025-05-07 17:28:15,695 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_39_constructor_72_73_0 given in one single declaration
[2025-05-07 17:28:15,695 INFO  L130     BoogieDeclarations]: Found specification of procedure block_39_constructor_72_73_0
[2025-05-07 17:28:15,695 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_39_constructor_72_73_0
[2025-05-07 17:28:15,695 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_37_return_constructor_72_73_0 given in one single declaration
[2025-05-07 17:28:15,696 INFO  L130     BoogieDeclarations]: Found specification of procedure block_37_return_constructor_72_73_0
[2025-05-07 17:28:15,696 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_37_return_constructor_72_73_0
[2025-05-07 17:28:15,696 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_56_A_73_0 given in one single declaration
[2025-05-07 17:28:15,696 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_56_A_73_0
[2025-05-07 17:28:15,696 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_56_A_73_0
[2025-05-07 17:28:15,696 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_47_B_30_0 given in one single declaration
[2025-05-07 17:28:15,696 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_47_B_30_0
[2025-05-07 17:28:15,696 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_47_B_30_0
[2025-05-07 17:28:15,696 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_13_constructor_29_73_0 given in one single declaration
[2025-05-07 17:28:15,696 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_13_constructor_29_73_0
[2025-05-07 17:28:15,696 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_13_constructor_29_73_0
[2025-05-07 17:28:15,696 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_46_return_constructor_29_73_0 given in one single declaration
[2025-05-07 17:28:15,697 INFO  L130     BoogieDeclarations]: Found specification of procedure block_46_return_constructor_29_73_0
[2025-05-07 17:28:15,697 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_46_return_constructor_29_73_0
[2025-05-07 17:28:15,697 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_45__28_73_0 given in one single declaration
[2025-05-07 17:28:15,697 INFO  L130     BoogieDeclarations]: Found specification of procedure block_45__28_73_0
[2025-05-07 17:28:15,697 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_45__28_73_0
[2025-05-07 17:28:15,697 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_44_constructor_29_73_0 given in one single declaration
[2025-05-07 17:28:15,697 INFO  L130     BoogieDeclarations]: Found specification of procedure block_44_constructor_29_73_0
[2025-05-07 17:28:15,697 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_44_constructor_29_73_0
[2025-05-07 17:28:15,697 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_49_B_30_0 given in one single declaration
[2025-05-07 17:28:15,697 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_49_B_30_0
[2025-05-07 17:28:15,697 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_49_B_30_0
[2025-05-07 17:28:15,697 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_48_B_30_0 given in one single declaration
[2025-05-07 17:28:15,698 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_48_B_30_0
[2025-05-07 17:28:15,698 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_48_B_30_0
[2025-05-07 17:28:15,698 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_53_C_13_0 given in one single declaration
[2025-05-07 17:28:15,698 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_53_C_13_0
[2025-05-07 17:28:15,698 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_53_C_13_0
[2025-05-07 17:28:15,698 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_55_C_13_0 given in one single declaration
[2025-05-07 17:28:15,698 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_55_C_13_0
[2025-05-07 17:28:15,698 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_55_C_13_0
[2025-05-07 17:28:15,698 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_54_C_13_0 given in one single declaration
[2025-05-07 17:28:15,698 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_54_C_13_0
[2025-05-07 17:28:15,698 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_54_C_13_0
[2025-05-07 17:28:15,698 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_12_constructor_12_73_0 given in one single declaration
[2025-05-07 17:28:15,699 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_12_constructor_12_73_0
[2025-05-07 17:28:15,699 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_12_constructor_12_73_0
[2025-05-07 17:28:15,699 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_52_return_constructor_12_73_0 given in one single declaration
[2025-05-07 17:28:15,699 INFO  L130     BoogieDeclarations]: Found specification of procedure block_52_return_constructor_12_73_0
[2025-05-07 17:28:15,699 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_52_return_constructor_12_73_0
[2025-05-07 17:28:15,699 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_51__11_73_0 given in one single declaration
[2025-05-07 17:28:15,699 INFO  L130     BoogieDeclarations]: Found specification of procedure block_51__11_73_0
[2025-05-07 17:28:15,699 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_51__11_73_0
[2025-05-07 17:28:15,699 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_50_constructor_12_73_0 given in one single declaration
[2025-05-07 17:28:15,699 INFO  L130     BoogieDeclarations]: Found specification of procedure block_50_constructor_12_73_0
[2025-05-07 17:28:15,699 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_50_constructor_12_73_0
[2025-05-07 17:28:15,699 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:28:15,699 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:28:15,700 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:28:15,863 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:28:15,865 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:28:16,116 INFO  L?                        ?]: Removed 300 outVars from TransFormulas that were not future-live.
[2025-05-07 17:28:16,116 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:28:16,125 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:28:16,126 INFO  L312             CfgBuilder]: Removed 13 assume(true) statements.
[2025-05-07 17:28:16,126 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:16 BoogieIcfgContainer
[2025-05-07 17:28:16,126 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:28:16,128 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:28:16,128 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:28:16,131 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:28:16,131 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:15" (1/3) ...
[2025-05-07 17:28:16,131 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1a4ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:28:16, skipping insertion in model container
[2025-05-07 17:28:16,131 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:15" (2/3) ...
[2025-05-07 17:28:16,132 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1a4ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:28:16, skipping insertion in model container
[2025-05-07 17:28:16,132 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:16" (3/3) ...
[2025-05-07 17:28:16,133 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:28:16,143 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:28:16,145 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 29 procedures, 121 locations, 193 edges, 29 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:28:16,177 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:28:16,185 INFO  L340      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@52113b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:28:16,186 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:28:16,189 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 121 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 55 states have internal predecessors, (55), 43 states have call successors, (46), 28 states have call predecessors, (46), 28 states have return successors, (46), 37 states have call predecessors, (46), 43 states have call successors, (46)
[2025-05-07 17:28:16,196 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2025-05-07 17:28:16,196 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:16,197 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:16,197 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:16,201 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:16,201 INFO  L85        PathProgramCache]: Analyzing trace with hash 1340080646, now seen corresponding path program 1 times
[2025-05-07 17:28:16,206 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:16,207 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807075711]
[2025-05-07 17:28:16,207 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:16,207 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:16,248 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes.
[2025-05-07 17:28:16,303 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements.
[2025-05-07 17:28:16,304 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:16,304 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:16,495 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:16,495 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:16,495 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807075711]
[2025-05-07 17:28:16,496 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807075711] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:16,496 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:16,498 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:16,499 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354230680]
[2025-05-07 17:28:16,499 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:16,502 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:16,502 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:16,537 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:16,537 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:16,543 INFO  L87              Difference]: Start difference. First operand  has 121 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 55 states have internal predecessors, (55), 43 states have call successors, (46), 28 states have call predecessors, (46), 28 states have return successors, (46), 37 states have call predecessors, (46), 43 states have call successors, (46) Second operand  has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 4 states have call successors, (11), 1 states have call predecessors, (11), 5 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11)
[2025-05-07 17:28:16,635 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:16,635 INFO  L93              Difference]: Finished difference Result 118 states and 142 transitions.
[2025-05-07 17:28:16,636 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:16,637 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 4 states have call successors, (11), 1 states have call predecessors, (11), 5 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) Word has length 41
[2025-05-07 17:28:16,638 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:16,643 INFO  L225             Difference]: With dead ends: 118
[2025-05-07 17:28:16,643 INFO  L226             Difference]: Without dead ends: 117
[2025-05-07 17:28:16,644 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:16,646 INFO  L437           NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:16,647 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 680 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:16,657 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117 states.
[2025-05-07 17:28:16,674 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117.
[2025-05-07 17:28:16,675 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 117 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 52 states have internal predecessors, (52), 41 states have call successors, (44), 28 states have call predecessors, (44), 28 states have return successors, (44), 36 states have call predecessors, (44), 41 states have call successors, (44)
[2025-05-07 17:28:16,678 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 140 transitions.
[2025-05-07 17:28:16,679 INFO  L79                 Accepts]: Start accepts. Automaton has 117 states and 140 transitions. Word has length 41
[2025-05-07 17:28:16,679 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:16,680 INFO  L485      AbstractCegarLoop]: Abstraction has 117 states and 140 transitions.
[2025-05-07 17:28:16,680 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 4 states have call successors, (11), 1 states have call predecessors, (11), 5 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11)
[2025-05-07 17:28:16,680 INFO  L278                IsEmpty]: Start isEmpty. Operand 117 states and 140 transitions.
[2025-05-07 17:28:16,681 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2025-05-07 17:28:16,681 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:16,681 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:16,681 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:28:16,682 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:16,682 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:16,682 INFO  L85        PathProgramCache]: Analyzing trace with hash 1738251402, now seen corresponding path program 1 times
[2025-05-07 17:28:16,683 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:16,683 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862480749]
[2025-05-07 17:28:16,683 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:16,683 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:16,711 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes.
[2025-05-07 17:28:16,718 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements.
[2025-05-07 17:28:16,718 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:16,718 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:16,782 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:16,782 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:16,782 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862480749]
[2025-05-07 17:28:16,782 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862480749] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:16,782 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:16,782 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:16,782 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257457351]
[2025-05-07 17:28:16,783 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:16,784 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:16,784 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:16,784 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:16,784 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:16,784 INFO  L87              Difference]: Start difference. First operand 117 states and 140 transitions. Second operand  has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 4 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11)
[2025-05-07 17:28:16,840 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:16,840 INFO  L93              Difference]: Finished difference Result 118 states and 139 transitions.
[2025-05-07 17:28:16,840 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:16,841 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 4 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 41
[2025-05-07 17:28:16,841 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:16,842 INFO  L225             Difference]: With dead ends: 118
[2025-05-07 17:28:16,842 INFO  L226             Difference]: Without dead ends: 117
[2025-05-07 17:28:16,842 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:16,842 INFO  L437           NwaCegarLoop]: 133 mSDtfsCounter, 1 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:16,843 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 381 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:16,843 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117 states.
[2025-05-07 17:28:16,849 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 115.
[2025-05-07 17:28:16,849 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 115 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 51 states have internal predecessors, (51), 39 states have call successors, (42), 28 states have call predecessors, (42), 28 states have return successors, (42), 35 states have call predecessors, (42), 39 states have call successors, (42)
[2025-05-07 17:28:16,850 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions.
[2025-05-07 17:28:16,850 INFO  L79                 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 41
[2025-05-07 17:28:16,850 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:16,850 INFO  L485      AbstractCegarLoop]: Abstraction has 115 states and 135 transitions.
[2025-05-07 17:28:16,850 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 4 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11)
[2025-05-07 17:28:16,850 INFO  L278                IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions.
[2025-05-07 17:28:16,851 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2025-05-07 17:28:16,851 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:16,851 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:16,851 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:28:16,852 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:16,852 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:16,852 INFO  L85        PathProgramCache]: Analyzing trace with hash 213830948, now seen corresponding path program 1 times
[2025-05-07 17:28:16,852 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:16,852 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408669260]
[2025-05-07 17:28:16,852 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:16,852 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:16,882 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes.
[2025-05-07 17:28:16,902 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements.
[2025-05-07 17:28:16,902 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:16,902 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:17,002 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:17,002 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:17,002 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408669260]
[2025-05-07 17:28:17,002 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408669260] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:17,002 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:17,002 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:17,003 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954544072]
[2025-05-07 17:28:17,003 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:17,003 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:17,003 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:17,004 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:17,004 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:17,004 INFO  L87              Difference]: Start difference. First operand 115 states and 135 transitions. Second operand  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:28:17,054 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:17,054 INFO  L93              Difference]: Finished difference Result 115 states and 134 transitions.
[2025-05-07 17:28:17,054 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:17,054 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18) Word has length 66
[2025-05-07 17:28:17,055 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:17,055 INFO  L225             Difference]: With dead ends: 115
[2025-05-07 17:28:17,055 INFO  L226             Difference]: Without dead ends: 113
[2025-05-07 17:28:17,056 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:17,056 INFO  L437           NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:17,056 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 640 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:17,057 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2025-05-07 17:28:17,061 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113.
[2025-05-07 17:28:17,061 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 113 states, 47 states have (on average 1.0638297872340425) internal successors, (50), 50 states have internal predecessors, (50), 37 states have call successors, (40), 28 states have call predecessors, (40), 28 states have return successors, (40), 34 states have call predecessors, (40), 37 states have call successors, (40)
[2025-05-07 17:28:17,062 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions.
[2025-05-07 17:28:17,062 INFO  L79                 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 66
[2025-05-07 17:28:17,063 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:17,063 INFO  L485      AbstractCegarLoop]: Abstraction has 113 states and 130 transitions.
[2025-05-07 17:28:17,063 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:28:17,063 INFO  L278                IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions.
[2025-05-07 17:28:17,064 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2025-05-07 17:28:17,064 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:17,064 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:17,064 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:28:17,064 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:17,065 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:17,065 INFO  L85        PathProgramCache]: Analyzing trace with hash 1289565864, now seen corresponding path program 1 times
[2025-05-07 17:28:17,065 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:17,065 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687045575]
[2025-05-07 17:28:17,065 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:17,065 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:17,092 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes.
[2025-05-07 17:28:17,101 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements.
[2025-05-07 17:28:17,101 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:17,101 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:17,168 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:17,168 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:17,168 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687045575]
[2025-05-07 17:28:17,169 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687045575] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:17,169 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:17,169 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:17,169 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161947801]
[2025-05-07 17:28:17,169 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:17,169 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:17,169 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:17,170 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:17,170 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:17,170 INFO  L87              Difference]: Start difference. First operand 113 states and 130 transitions. Second operand  has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 4 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:28:17,207 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:17,207 INFO  L93              Difference]: Finished difference Result 114 states and 129 transitions.
[2025-05-07 17:28:17,207 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:17,208 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 4 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 66
[2025-05-07 17:28:17,208 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:17,209 INFO  L225             Difference]: With dead ends: 114
[2025-05-07 17:28:17,209 INFO  L226             Difference]: Without dead ends: 112
[2025-05-07 17:28:17,210 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:17,210 INFO  L437           NwaCegarLoop]: 124 mSDtfsCounter, 1 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:17,211 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 357 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:17,212 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 112 states.
[2025-05-07 17:28:17,218 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110.
[2025-05-07 17:28:17,219 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 110 states, 47 states have (on average 1.0425531914893618) internal successors, (49), 49 states have internal predecessors, (49), 34 states have call successors, (37), 28 states have call predecessors, (37), 28 states have return successors, (37), 32 states have call predecessors, (37), 34 states have call successors, (37)
[2025-05-07 17:28:17,220 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 123 transitions.
[2025-05-07 17:28:17,220 INFO  L79                 Accepts]: Start accepts. Automaton has 110 states and 123 transitions. Word has length 66
[2025-05-07 17:28:17,220 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:17,220 INFO  L485      AbstractCegarLoop]: Abstraction has 110 states and 123 transitions.
[2025-05-07 17:28:17,220 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 4 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:28:17,220 INFO  L278                IsEmpty]: Start isEmpty. Operand 110 states and 123 transitions.
[2025-05-07 17:28:17,222 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2025-05-07 17:28:17,222 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:17,223 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:17,223 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:28:17,223 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:17,223 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:17,223 INFO  L85        PathProgramCache]: Analyzing trace with hash 936255425, now seen corresponding path program 1 times
[2025-05-07 17:28:17,224 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:17,224 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129896307]
[2025-05-07 17:28:17,224 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:17,224 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:17,262 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes.
[2025-05-07 17:28:17,283 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements.
[2025-05-07 17:28:17,283 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:17,283 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:17,403 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:17,403 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:17,403 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129896307]
[2025-05-07 17:28:17,403 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129896307] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:17,403 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:17,403 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:28:17,404 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125896992]
[2025-05-07 17:28:17,404 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:17,404 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:28:17,404 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:17,405 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:28:17,405 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:28:17,405 INFO  L87              Difference]: Start difference. First operand 110 states and 123 transitions. Second operand  has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (25), 1 states have call predecessors, (25), 6 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25)
[2025-05-07 17:28:17,475 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:17,475 INFO  L93              Difference]: Finished difference Result 121 states and 143 transitions.
[2025-05-07 17:28:17,476 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:28:17,476 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (25), 1 states have call predecessors, (25), 6 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25) Word has length 91
[2025-05-07 17:28:17,476 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:17,477 INFO  L225             Difference]: With dead ends: 121
[2025-05-07 17:28:17,477 INFO  L226             Difference]: Without dead ends: 100
[2025-05-07 17:28:17,477 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:28:17,478 INFO  L437           NwaCegarLoop]: 122 mSDtfsCounter, 3 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:17,478 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 711 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:17,479 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2025-05-07 17:28:17,482 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100.
[2025-05-07 17:28:17,482 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 100 states, 45 states have (on average 1.0) internal successors, (45), 45 states have internal predecessors, (45), 27 states have call successors, (29), 27 states have call predecessors, (29), 27 states have return successors, (29), 27 states have call predecessors, (29), 27 states have call successors, (29)
[2025-05-07 17:28:17,483 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 103 transitions.
[2025-05-07 17:28:17,483 INFO  L79                 Accepts]: Start accepts. Automaton has 100 states and 103 transitions. Word has length 91
[2025-05-07 17:28:17,483 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:17,483 INFO  L485      AbstractCegarLoop]: Abstraction has 100 states and 103 transitions.
[2025-05-07 17:28:17,484 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (25), 1 states have call predecessors, (25), 6 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25)
[2025-05-07 17:28:17,484 INFO  L278                IsEmpty]: Start isEmpty. Operand 100 states and 103 transitions.
[2025-05-07 17:28:17,484 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2025-05-07 17:28:17,484 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:17,484 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:17,484 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:28:17,484 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:17,485 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:17,485 INFO  L85        PathProgramCache]: Analyzing trace with hash 163264499, now seen corresponding path program 1 times
[2025-05-07 17:28:17,485 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:17,485 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053181167]
[2025-05-07 17:28:17,485 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:17,485 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:17,515 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes.
[2025-05-07 17:28:17,546 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements.
[2025-05-07 17:28:17,546 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:17,546 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:19,029 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:19,030 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:19,030 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053181167]
[2025-05-07 17:28:19,030 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053181167] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:19,030 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:19,030 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29
[2025-05-07 17:28:19,030 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679561714]
[2025-05-07 17:28:19,030 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:19,030 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 29 states
[2025-05-07 17:28:19,030 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:19,031 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants.
[2025-05-07 17:28:19,031 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=756, Unknown=0, NotChecked=0, Total=812
[2025-05-07 17:28:19,031 INFO  L87              Difference]: Start difference. First operand 100 states and 103 transitions. Second operand  has 29 states, 20 states have (on average 2.05) internal successors, (41), 24 states have internal predecessors, (41), 13 states have call successors, (25), 1 states have call predecessors, (25), 20 states have return successors, (25), 21 states have call predecessors, (25), 13 states have call successors, (25)
[2025-05-07 17:28:19,615 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:19,615 INFO  L93              Difference]: Finished difference Result 105 states and 108 transitions.
[2025-05-07 17:28:19,615 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2025-05-07 17:28:19,616 INFO  L79                 Accepts]: Start accepts. Automaton has  has 29 states, 20 states have (on average 2.05) internal successors, (41), 24 states have internal predecessors, (41), 13 states have call successors, (25), 1 states have call predecessors, (25), 20 states have return successors, (25), 21 states have call predecessors, (25), 13 states have call successors, (25) Word has length 91
[2025-05-07 17:28:19,616 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:19,617 INFO  L225             Difference]: With dead ends: 105
[2025-05-07 17:28:19,617 INFO  L226             Difference]: Without dead ends: 96
[2025-05-07 17:28:19,618 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=86, Invalid=1174, Unknown=0, NotChecked=0, Total=1260
[2025-05-07 17:28:19,618 INFO  L437           NwaCegarLoop]: 87 mSDtfsCounter, 8 mSDsluCounter, 2190 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 2277 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:19,618 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 2277 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2025-05-07 17:28:19,619 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 96 states.
[2025-05-07 17:28:19,623 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96.
[2025-05-07 17:28:19,623 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 96 states, 43 states have (on average 1.0) internal successors, (43), 43 states have internal predecessors, (43), 26 states have call successors, (27), 26 states have call predecessors, (27), 26 states have return successors, (27), 26 states have call predecessors, (27), 26 states have call successors, (27)
[2025-05-07 17:28:19,624 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 97 transitions.
[2025-05-07 17:28:19,624 INFO  L79                 Accepts]: Start accepts. Automaton has 96 states and 97 transitions. Word has length 91
[2025-05-07 17:28:19,624 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:19,624 INFO  L485      AbstractCegarLoop]: Abstraction has 96 states and 97 transitions.
[2025-05-07 17:28:19,624 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 29 states, 20 states have (on average 2.05) internal successors, (41), 24 states have internal predecessors, (41), 13 states have call successors, (25), 1 states have call predecessors, (25), 20 states have return successors, (25), 21 states have call predecessors, (25), 13 states have call successors, (25)
[2025-05-07 17:28:19,624 INFO  L278                IsEmpty]: Start isEmpty. Operand 96 states and 97 transitions.
[2025-05-07 17:28:19,625 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2025-05-07 17:28:19,625 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:19,625 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:19,625 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-05-07 17:28:19,626 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:19,626 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:19,626 INFO  L85        PathProgramCache]: Analyzing trace with hash 1390944507, now seen corresponding path program 1 times
[2025-05-07 17:28:19,626 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:19,626 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881601079]
[2025-05-07 17:28:19,626 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:19,626 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:19,652 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes.
[2025-05-07 17:28:19,672 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements.
[2025-05-07 17:28:19,672 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:19,672 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:19,759 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:19,759 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:19,759 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881601079]
[2025-05-07 17:28:19,759 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881601079] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:19,759 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:19,759 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:28:19,759 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411695538]
[2025-05-07 17:28:19,759 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:19,760 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:28:19,760 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:19,760 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:28:19,760 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:28:19,761 INFO  L87              Difference]: Start difference. First operand 96 states and 97 transitions. Second operand  has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (25), 1 states have call predecessors, (25), 6 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25)
[2025-05-07 17:28:19,791 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:19,791 INFO  L93              Difference]: Finished difference Result 103 states and 104 transitions.
[2025-05-07 17:28:19,791 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:28:19,792 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (25), 1 states have call predecessors, (25), 6 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25) Word has length 91
[2025-05-07 17:28:19,792 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:19,793 INFO  L225             Difference]: With dead ends: 103
[2025-05-07 17:28:19,793 INFO  L226             Difference]: Without dead ends: 92
[2025-05-07 17:28:19,793 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:28:19,794 INFO  L437           NwaCegarLoop]: 94 mSDtfsCounter, 1 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:19,794 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 554 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:19,794 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2025-05-07 17:28:19,798 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92.
[2025-05-07 17:28:19,798 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 92 states, 41 states have (on average 1.0) internal successors, (41), 41 states have internal predecessors, (41), 25 states have call successors, (25), 25 states have call predecessors, (25), 25 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25)
[2025-05-07 17:28:19,799 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 91 transitions.
[2025-05-07 17:28:19,799 INFO  L79                 Accepts]: Start accepts. Automaton has 92 states and 91 transitions. Word has length 91
[2025-05-07 17:28:19,799 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:19,799 INFO  L485      AbstractCegarLoop]: Abstraction has 92 states and 91 transitions.
[2025-05-07 17:28:19,799 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (25), 1 states have call predecessors, (25), 6 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25)
[2025-05-07 17:28:19,800 INFO  L278                IsEmpty]: Start isEmpty. Operand 92 states and 91 transitions.
[2025-05-07 17:28:19,800 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2025-05-07 17:28:19,800 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:19,800 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:19,801 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-05-07 17:28:19,801 INFO  L403      AbstractCegarLoop]: === Iteration 8 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:19,801 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:19,801 INFO  L85        PathProgramCache]: Analyzing trace with hash -1276738641, now seen corresponding path program 1 times
[2025-05-07 17:28:19,801 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:19,801 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732257069]
[2025-05-07 17:28:19,801 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:19,802 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:19,833 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes.
[2025-05-07 17:28:19,854 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements.
[2025-05-07 17:28:19,854 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:19,854 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:20,147 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:20,148 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:20,148 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732257069]
[2025-05-07 17:28:20,148 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732257069] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:20,148 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:20,148 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2025-05-07 17:28:20,148 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259582747]
[2025-05-07 17:28:20,148 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:20,148 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2025-05-07 17:28:20,148 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:20,148 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2025-05-07 17:28:20,148 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132
[2025-05-07 17:28:20,149 INFO  L87              Difference]: Start difference. First operand 92 states and 91 transitions. Second operand  has 12 states, 9 states have (on average 4.555555555555555) internal successors, (41), 11 states have internal predecessors, (41), 7 states have call successors, (25), 1 states have call predecessors, (25), 9 states have return successors, (25), 8 states have call predecessors, (25), 7 states have call successors, (25)
[2025-05-07 17:28:20,225 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:20,225 INFO  L93              Difference]: Finished difference Result 75 states and 74 transitions.
[2025-05-07 17:28:20,225 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2025-05-07 17:28:20,225 INFO  L79                 Accepts]: Start accepts. Automaton has  has 12 states, 9 states have (on average 4.555555555555555) internal successors, (41), 11 states have internal predecessors, (41), 7 states have call successors, (25), 1 states have call predecessors, (25), 9 states have return successors, (25), 8 states have call predecessors, (25), 7 states have call successors, (25) Word has length 91
[2025-05-07 17:28:20,226 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:20,226 INFO  L225             Difference]: With dead ends: 75
[2025-05-07 17:28:20,226 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:28:20,226 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156
[2025-05-07 17:28:20,227 INFO  L437           NwaCegarLoop]: 67 mSDtfsCounter, 2 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:20,227 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 708 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:20,227 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:28:20,227 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:28:20,227 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-05-07 17:28:20,227 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:28:20,227 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91
[2025-05-07 17:28:20,228 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:20,228 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:28:20,228 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 9 states have (on average 4.555555555555555) internal successors, (41), 11 states have internal predecessors, (41), 7 states have call successors, (25), 1 states have call predecessors, (25), 9 states have return successors, (25), 8 states have call predecessors, (25), 7 states have call successors, (25)
[2025-05-07 17:28:20,228 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:28:20,228 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:28:20,230 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:28:20,230 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-05-07 17:28:20,233 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:20,234 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:28:20,237 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:28:20 BoogieIcfgContainer
[2025-05-07 17:28:20,237 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:28:20,237 INFO  L158              Benchmark]: Toolchain (without parser) took 4664.72ms. Allocated memory was 234.9MB in the beginning and 285.2MB in the end (delta: 50.3MB). Free memory was 142.1MB in the beginning and 125.7MB in the end (delta: 16.4MB). Peak memory consumption was 83.3MB. Max. memory is 33.6GB.
[2025-05-07 17:28:20,238 INFO  L158              Benchmark]: SmtParser took 0.27ms. Allocated memory is still 234.9MB. Free memory is still 173.7MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:20,238 INFO  L158              Benchmark]: ChcToBoogie took 33.82ms. Allocated memory is still 234.9MB. Free memory was 142.1MB in the beginning and 138.7MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:20,238 INFO  L158              Benchmark]: Boogie Preprocessor took 54.74ms. Allocated memory is still 234.9MB. Free memory was 138.6MB in the beginning and 135.1MB in the end (delta: 3.6MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:28:20,238 INFO  L158              Benchmark]: RCFGBuilder took 463.46ms. Allocated memory was 234.9MB in the beginning and 302.0MB in the end (delta: 67.1MB). Free memory was 135.1MB in the beginning and 223.8MB in the end (delta: -88.8MB). Peak memory consumption was 26.2MB. Max. memory is 33.6GB.
[2025-05-07 17:28:20,239 INFO  L158              Benchmark]: TraceAbstraction took 4109.11ms. Allocated memory was 302.0MB in the beginning and 285.2MB in the end (delta: -16.8MB). Free memory was 223.0MB in the beginning and 125.7MB in the end (delta: 97.3MB). Peak memory consumption was 73.9MB. Max. memory is 33.6GB.
[2025-05-07 17:28:20,240 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.27ms. Allocated memory is still 234.9MB. Free memory is still 173.7MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 33.82ms. Allocated memory is still 234.9MB. Free memory was 142.1MB in the beginning and 138.7MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 54.74ms. Allocated memory is still 234.9MB. Free memory was 138.6MB in the beginning and 135.1MB in the end (delta: 3.6MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * RCFGBuilder took 463.46ms. Allocated memory was 234.9MB in the beginning and 302.0MB in the end (delta: 67.1MB). Free memory was 135.1MB in the beginning and 223.8MB in the end (delta: -88.8MB). Peak memory consumption was 26.2MB. Max. memory is 33.6GB.
 * TraceAbstraction took 4109.11ms. Allocated memory was 302.0MB in the beginning and 285.2MB in the end (delta: -16.8MB). Free memory was 223.0MB in the beginning and 125.7MB in the end (delta: 97.3MB). Peak memory consumption was 73.9MB. Max. memory is 33.6GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Unknown line] : the set of constraint Horn clauses is satisfiable
    For all program executions holds that the set of constraint Horn clauses is satisfiable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 29 procedures, 121 locations, 193 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 6308 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5411 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 752 IncrementalHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 897 mSDtfsCounter, 752 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=0, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 578 NumberOfCodeBlocks, 578 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 570 ConstructedInterpolants, 0 QuantifiedInterpolants, 964 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2025-05-07 17:28:20,252 INFO  L552       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
sat
