./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/file_level/overloads.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:26:00,674 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:26:00,710 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4badcf1f-ea19-43e8-b00e-652b477d1cb0/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:26:00,713 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:26:00,713 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:26:00,726 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:26:00,726 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:26:00,727 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:26:00,727 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:26:00,727 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:26:00,727 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:26:00,727 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:26:00,727 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:26:00,727 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:26:00,727 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:26:00,727 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:26:00,727 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:26:00,727 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:26:00,728 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:26:00,728 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:26:00,728 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:26:00,728 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:26:00,728 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:26:00,728 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:26:00,728 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:26:00,728 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:26:00,728 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:26:00,906 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:26:00,911 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:26:00,913 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:26:00,914 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:26:00,914 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:26:00,915 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4badcf1f-ea19-43e8-b00e-652b477d1cb0/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/file_level/overloads.sol_0_no_adts_000.smt2
[2025-05-07 17:26:00,916 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:26:00,918 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:26:01,135 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4badcf1f-ea19-43e8-b00e-652b477d1cb0/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/file_level/overloads.sol_0_no_adts_000.smt2
[2025-05-07 17:26:01,138 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:26:01,139 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:26:01,139 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:26:01,140 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:26:01,140 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:26:01,142 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:26:01" (1/1) ...
[2025-05-07 17:26:01,173 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:01 Unit
[2025-05-07 17:26:01,173 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:26:01,174 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:26:01,174 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:26:01,174 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:26:01,185 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:01" (1/1) ...
[2025-05-07 17:26:01,185 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:01" (1/1) ...
[2025-05-07 17:26:01,207 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:01" (1/1) ...
[2025-05-07 17:26:01,207 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:01" (1/1) ...
[2025-05-07 17:26:01,211 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:01" (1/1) ...
[2025-05-07 17:26:01,212 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:01" (1/1) ...
[2025-05-07 17:26:01,214 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:01" (1/1) ...
[2025-05-07 17:26:01,215 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:01" (1/1) ...
[2025-05-07 17:26:01,217 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:01" (1/1) ...
[2025-05-07 17:26:01,227 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:26:01,228 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:26:01,228 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:26:01,228 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:26:01,228 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:01" (1/1) ...
[2025-05-07 17:26:01,230 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:26:01,238 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:26:01,246 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 17:26:01,248 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 17:26:01,257 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:26:01,257 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:26:01,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:26:01,257 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_4_0 given in one single declaration
[2025-05-07 17:26:01,257 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_4_0
[2025-05-07 17:26:01,257 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_4_0
[2025-05-07 17:26:01,258 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_6_function_g__48_49_0 given in one single declaration
[2025-05-07 17:26:01,258 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_6_function_g__48_49_0
[2025-05-07 17:26:01,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_6_function_g__48_49_0
[2025-05-07 17:26:01,258 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_5_function_g__48_49_0 given in one single declaration
[2025-05-07 17:26:01,258 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_5_function_g__48_49_0
[2025-05-07 17:26:01,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_5_function_g__48_49_0
[2025-05-07 17:26:01,258 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_20_function_g__48_49_0 given in one single declaration
[2025-05-07 17:26:01,258 INFO  L130     BoogieDeclarations]: Found specification of procedure block_20_function_g__48_49_0
[2025-05-07 17:26:01,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_20_function_g__48_49_0
[2025-05-07 17:26:01,258 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_17_return_function_g__48_49_0 given in one single declaration
[2025-05-07 17:26:01,258 INFO  L130     BoogieDeclarations]: Found specification of procedure block_17_return_function_g__48_49_0
[2025-05-07 17:26:01,258 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_17_return_function_g__48_49_0
[2025-05-07 17:26:01,259 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_g_47_49_0 given in one single declaration
[2025-05-07 17:26:01,259 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_g_47_49_0
[2025-05-07 17:26:01,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_g_47_49_0
[2025-05-07 17:26:01,259 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_function_g__48_49_0 given in one single declaration
[2025-05-07 17:26:01,259 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_function_g__48_49_0
[2025-05-07 17:26:01,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_function_g__48_49_0
[2025-05-07 17:26:01,259 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_18_function_f__10_49_0 given in one single declaration
[2025-05-07 17:26:01,259 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_18_function_f__10_49_0
[2025-05-07 17:26:01,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_18_function_f__10_49_0
[2025-05-07 17:26:01,259 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__10_49_0 given in one single declaration
[2025-05-07 17:26:01,259 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__10_49_0
[2025-05-07 17:26:01,259 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__10_49_0
[2025-05-07 17:26:01,260 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_return_function_f__10_49_0 given in one single declaration
[2025-05-07 17:26:01,260 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_return_function_f__10_49_0
[2025-05-07 17:26:01,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_return_function_f__10_49_0
[2025-05-07 17:26:01,260 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_f_9_49_0 given in one single declaration
[2025-05-07 17:26:01,260 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_f_9_49_0
[2025-05-07 17:26:01,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_f_9_49_0
[2025-05-07 17:26:01,260 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_function_f__10_49_0 given in one single declaration
[2025-05-07 17:26:01,260 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_function_f__10_49_0
[2025-05-07 17:26:01,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_function_f__10_49_0
[2025-05-07 17:26:01,260 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_19_function_f__20_49_0 given in one single declaration
[2025-05-07 17:26:01,260 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_19_function_f__20_49_0
[2025-05-07 17:26:01,260 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_19_function_f__20_49_0
[2025-05-07 17:26:01,260 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__20_49_0 given in one single declaration
[2025-05-07 17:26:01,260 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__20_49_0
[2025-05-07 17:26:01,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__20_49_0
[2025-05-07 17:26:01,261 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_return_function_f__20_49_0 given in one single declaration
[2025-05-07 17:26:01,261 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_return_function_f__20_49_0
[2025-05-07 17:26:01,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_return_function_f__20_49_0
[2025-05-07 17:26:01,261 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_f_19_49_0 given in one single declaration
[2025-05-07 17:26:01,261 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_f_19_49_0
[2025-05-07 17:26:01,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_f_19_49_0
[2025-05-07 17:26:01,261 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_function_f__20_49_0 given in one single declaration
[2025-05-07 17:26:01,261 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_function_f__20_49_0
[2025-05-07 17:26:01,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_function_f__20_49_0
[2025-05-07 17:26:01,261 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_21_function_g__48_49_0 given in one single declaration
[2025-05-07 17:26:01,261 INFO  L130     BoogieDeclarations]: Found specification of procedure block_21_function_g__48_49_0
[2025-05-07 17:26:01,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_21_function_g__48_49_0
[2025-05-07 17:26:01,261 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_22_function_g__48_49_0 given in one single declaration
[2025-05-07 17:26:01,261 INFO  L130     BoogieDeclarations]: Found specification of procedure block_22_function_g__48_49_0
[2025-05-07 17:26:01,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_22_function_g__48_49_0
[2025-05-07 17:26:01,261 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_49_0 given in one single declaration
[2025-05-07 17:26:01,261 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_49_0
[2025-05-07 17:26:01,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_49_0
[2025-05-07 17:26:01,262 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_49_0 given in one single declaration
[2025-05-07 17:26:01,262 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_49_0
[2025-05-07 17:26:01,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_49_0
[2025-05-07 17:26:01,262 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_26_C_49_0 given in one single declaration
[2025-05-07 17:26:01,262 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_26_C_49_0
[2025-05-07 17:26:01,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_26_C_49_0
[2025-05-07 17:26:01,262 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_23_C_49_0 given in one single declaration
[2025-05-07 17:26:01,262 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_23_C_49_0
[2025-05-07 17:26:01,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_23_C_49_0
[2025-05-07 17:26:01,262 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_25_C_49_0 given in one single declaration
[2025-05-07 17:26:01,262 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_25_C_49_0
[2025-05-07 17:26:01,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_25_C_49_0
[2025-05-07 17:26:01,262 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_24_C_49_0 given in one single declaration
[2025-05-07 17:26:01,262 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_24_C_49_0
[2025-05-07 17:26:01,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_24_C_49_0
[2025-05-07 17:26:01,262 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:26:01,262 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:26:01,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:26:01,398 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:26:01,400 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:26:01,609 INFO  L?                        ?]: Removed 193 outVars from TransFormulas that were not future-live.
[2025-05-07 17:26:01,609 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:26:01,618 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:26:01,618 INFO  L312             CfgBuilder]: Removed 14 assume(true) statements.
[2025-05-07 17:26:01,619 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:26:01 BoogieIcfgContainer
[2025-05-07 17:26:01,619 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:26:01,620 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:26:01,620 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:26:01,622 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:26:01,623 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:26:01" (1/3) ...
[2025-05-07 17:26:01,623 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc437f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:26:01, skipping insertion in model container
[2025-05-07 17:26:01,623 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:01" (2/3) ...
[2025-05-07 17:26:01,623 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc437f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:26:01, skipping insertion in model container
[2025-05-07 17:26:01,623 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:26:01" (3/3) ...
[2025-05-07 17:26:01,624 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:26:01,635 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:26:01,636 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 27 procedures, 109 locations, 170 edges, 27 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:26:01,666 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:26:01,674 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;@43a70b1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:26:01,674 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:26:01,677 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 109 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 47 states have internal predecessors, (47), 39 states have call successors, (41), 26 states have call predecessors, (41), 26 states have return successors, (41), 35 states have call predecessors, (41), 39 states have call successors, (41)
[2025-05-07 17:26:01,684 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:26:01,684 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:01,685 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]
[2025-05-07 17:26:01,685 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:01,688 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:01,689 INFO  L85        PathProgramCache]: Analyzing trace with hash 713727342, now seen corresponding path program 1 times
[2025-05-07 17:26:01,694 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:01,694 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004324780]
[2025-05-07 17:26:01,694 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:01,695 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:01,746 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:26:01,807 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:26:01,807 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:01,807 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:02,029 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 17:26:02,029 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:02,029 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004324780]
[2025-05-07 17:26:02,030 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004324780] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:02,030 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:02,032 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:26:02,034 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972706605]
[2025-05-07 17:26:02,035 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:02,039 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:26:02,039 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:02,063 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:26:02,064 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:26:02,065 INFO  L87              Difference]: Start difference. First operand  has 109 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 47 states have internal predecessors, (47), 39 states have call successors, (41), 26 states have call predecessors, (41), 26 states have return successors, (41), 35 states have call predecessors, (41), 39 states have call successors, (41) Second operand  has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 7 states have call predecessors, (18), 3 states have call successors, (18)
[2025-05-07 17:26:02,219 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:02,219 INFO  L93              Difference]: Finished difference Result 109 states and 128 transitions.
[2025-05-07 17:26:02,221 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:26:02,222 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 7 states have call predecessors, (18), 3 states have call successors, (18) Word has length 65
[2025-05-07 17:26:02,223 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:02,230 INFO  L225             Difference]: With dead ends: 109
[2025-05-07 17:26:02,231 INFO  L226             Difference]: Without dead ends: 107
[2025-05-07 17:26:02,232 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 17:26:02,235 INFO  L437           NwaCegarLoop]: 120 mSDtfsCounter, 1 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:02,235 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 699 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:02,249 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2025-05-07 17:26:02,266 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105.
[2025-05-07 17:26:02,267 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 105 states, 42 states have (on average 1.0476190476190477) internal successors, (44), 44 states have internal predecessors, (44), 37 states have call successors, (39), 26 states have call predecessors, (39), 26 states have return successors, (39), 34 states have call predecessors, (39), 37 states have call successors, (39)
[2025-05-07 17:26:02,271 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 122 transitions.
[2025-05-07 17:26:02,272 INFO  L79                 Accepts]: Start accepts. Automaton has 105 states and 122 transitions. Word has length 65
[2025-05-07 17:26:02,273 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:02,273 INFO  L485      AbstractCegarLoop]: Abstraction has 105 states and 122 transitions.
[2025-05-07 17:26:02,274 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 7 states have call predecessors, (18), 3 states have call successors, (18)
[2025-05-07 17:26:02,274 INFO  L278                IsEmpty]: Start isEmpty. Operand 105 states and 122 transitions.
[2025-05-07 17:26:02,277 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2025-05-07 17:26:02,277 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:02,277 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]
[2025-05-07 17:26:02,278 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:26:02,278 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:02,278 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:02,278 INFO  L85        PathProgramCache]: Analyzing trace with hash -250507793, now seen corresponding path program 1 times
[2025-05-07 17:26:02,279 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:02,279 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946883187]
[2025-05-07 17:26:02,279 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:02,279 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:02,328 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes.
[2025-05-07 17:26:02,353 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements.
[2025-05-07 17:26:02,353 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:02,353 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:02,488 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 17:26:02,488 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:02,488 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946883187]
[2025-05-07 17:26:02,488 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946883187] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:02,489 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:02,489 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:26:02,489 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311861087]
[2025-05-07 17:26:02,489 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:02,490 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:26:02,490 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:02,491 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:26:02,491 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:02,491 INFO  L87              Difference]: Start difference. First operand 105 states and 122 transitions. Second operand  has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (24), 1 states have call predecessors, (24), 5 states have return successors, (24), 6 states have call predecessors, (24), 3 states have call successors, (24)
[2025-05-07 17:26:02,532 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:02,532 INFO  L93              Difference]: Finished difference Result 109 states and 126 transitions.
[2025-05-07 17:26:02,533 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:26:02,533 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (24), 1 states have call predecessors, (24), 5 states have return successors, (24), 6 states have call predecessors, (24), 3 states have call successors, (24) Word has length 85
[2025-05-07 17:26:02,534 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:02,535 INFO  L225             Difference]: With dead ends: 109
[2025-05-07 17:26:02,535 INFO  L226             Difference]: Without dead ends: 109
[2025-05-07 17:26:02,535 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 17:26:02,535 INFO  L437           NwaCegarLoop]: 123 mSDtfsCounter, 1 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:02,536 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 599 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:02,536 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2025-05-07 17:26:02,541 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109.
[2025-05-07 17:26:02,542 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 109 states, 44 states have (on average 1.0454545454545454) internal successors, (46), 46 states have internal predecessors, (46), 37 states have call successors, (39), 26 states have call predecessors, (39), 28 states have return successors, (41), 36 states have call predecessors, (41), 37 states have call successors, (41)
[2025-05-07 17:26:02,543 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 126 transitions.
[2025-05-07 17:26:02,543 INFO  L79                 Accepts]: Start accepts. Automaton has 109 states and 126 transitions. Word has length 85
[2025-05-07 17:26:02,543 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:02,543 INFO  L485      AbstractCegarLoop]: Abstraction has 109 states and 126 transitions.
[2025-05-07 17:26:02,544 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (24), 1 states have call predecessors, (24), 5 states have return successors, (24), 6 states have call predecessors, (24), 3 states have call successors, (24)
[2025-05-07 17:26:02,544 INFO  L278                IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions.
[2025-05-07 17:26:02,545 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2025-05-07 17:26:02,545 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:02,545 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]
[2025-05-07 17:26:02,545 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:26:02,545 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:02,546 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:02,546 INFO  L85        PathProgramCache]: Analyzing trace with hash -757445733, now seen corresponding path program 1 times
[2025-05-07 17:26:02,546 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:02,546 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743582826]
[2025-05-07 17:26:02,546 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:02,546 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:02,578 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes.
[2025-05-07 17:26:02,593 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements.
[2025-05-07 17:26:02,593 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:02,593 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:02,752 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 17:26:02,752 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:02,753 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743582826]
[2025-05-07 17:26:02,753 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743582826] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:02,753 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:02,753 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:26:02,753 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686206207]
[2025-05-07 17:26:02,753 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:02,753 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:26:02,753 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:02,754 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:26:02,754 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:02,754 INFO  L87              Difference]: Start difference. First operand 109 states and 126 transitions. Second operand  has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (24), 1 states have call predecessors, (24), 5 states have return successors, (24), 6 states have call predecessors, (24), 3 states have call successors, (24)
[2025-05-07 17:26:02,796 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:02,796 INFO  L93              Difference]: Finished difference Result 113 states and 130 transitions.
[2025-05-07 17:26:02,797 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:26:02,797 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (24), 1 states have call predecessors, (24), 5 states have return successors, (24), 6 states have call predecessors, (24), 3 states have call successors, (24) Word has length 85
[2025-05-07 17:26:02,797 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:02,799 INFO  L225             Difference]: With dead ends: 113
[2025-05-07 17:26:02,799 INFO  L226             Difference]: Without dead ends: 113
[2025-05-07 17:26:02,799 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 17:26:02,800 INFO  L437           NwaCegarLoop]: 120 mSDtfsCounter, 1 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:02,800 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 587 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:02,801 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2025-05-07 17:26:02,808 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 109.
[2025-05-07 17:26:02,808 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 109 states, 44 states have (on average 1.0454545454545454) internal successors, (46), 46 states have internal predecessors, (46), 37 states have call successors, (39), 26 states have call predecessors, (39), 28 states have return successors, (41), 36 states have call predecessors, (41), 37 states have call successors, (41)
[2025-05-07 17:26:02,810 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 126 transitions.
[2025-05-07 17:26:02,810 INFO  L79                 Accepts]: Start accepts. Automaton has 109 states and 126 transitions. Word has length 85
[2025-05-07 17:26:02,810 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:02,810 INFO  L485      AbstractCegarLoop]: Abstraction has 109 states and 126 transitions.
[2025-05-07 17:26:02,810 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 3 states have call successors, (24), 1 states have call predecessors, (24), 5 states have return successors, (24), 6 states have call predecessors, (24), 3 states have call successors, (24)
[2025-05-07 17:26:02,811 INFO  L278                IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions.
[2025-05-07 17:26:02,812 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2025-05-07 17:26:02,813 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:02,813 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]
[2025-05-07 17:26:02,813 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:26:02,813 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:02,813 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:02,813 INFO  L85        PathProgramCache]: Analyzing trace with hash -2118128726, now seen corresponding path program 1 times
[2025-05-07 17:26:02,814 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:02,814 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830630526]
[2025-05-07 17:26:02,814 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:02,814 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:02,849 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes.
[2025-05-07 17:26:02,860 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements.
[2025-05-07 17:26:02,860 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:02,860 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:02,946 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 17:26:02,946 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:02,947 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830630526]
[2025-05-07 17:26:02,947 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830630526] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:02,947 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:02,947 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:26:02,947 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193660700]
[2025-05-07 17:26:02,947 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:02,947 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:26:02,947 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:02,948 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:26:02,948 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:26:02,948 INFO  L87              Difference]: Start difference. First operand 109 states and 126 transitions. Second operand  has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 4 states have call successors, (23), 1 states have call predecessors, (23), 6 states have return successors, (23), 6 states have call predecessors, (23), 4 states have call successors, (23)
[2025-05-07 17:26:03,009 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:03,009 INFO  L93              Difference]: Finished difference Result 107 states and 121 transitions.
[2025-05-07 17:26:03,010 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:26:03,010 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 4 states have call successors, (23), 1 states have call predecessors, (23), 6 states have return successors, (23), 6 states have call predecessors, (23), 4 states have call successors, (23) Word has length 82
[2025-05-07 17:26:03,010 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:03,011 INFO  L225             Difference]: With dead ends: 107
[2025-05-07 17:26:03,011 INFO  L226             Difference]: Without dead ends: 106
[2025-05-07 17:26:03,011 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 17:26:03,012 INFO  L437           NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:03,012 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 651 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:26:03,012 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2025-05-07 17:26:03,016 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106.
[2025-05-07 17:26:03,016 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 106 states, 43 states have (on average 1.0465116279069768) internal successors, (45), 45 states have internal predecessors, (45), 34 states have call successors, (36), 26 states have call predecessors, (36), 28 states have return successors, (38), 34 states have call predecessors, (38), 34 states have call successors, (38)
[2025-05-07 17:26:03,017 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 119 transitions.
[2025-05-07 17:26:03,017 INFO  L79                 Accepts]: Start accepts. Automaton has 106 states and 119 transitions. Word has length 82
[2025-05-07 17:26:03,017 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:03,017 INFO  L485      AbstractCegarLoop]: Abstraction has 106 states and 119 transitions.
[2025-05-07 17:26:03,017 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 4 states have call successors, (23), 1 states have call predecessors, (23), 6 states have return successors, (23), 6 states have call predecessors, (23), 4 states have call successors, (23)
[2025-05-07 17:26:03,018 INFO  L278                IsEmpty]: Start isEmpty. Operand 106 states and 119 transitions.
[2025-05-07 17:26:03,018 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2025-05-07 17:26:03,018 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:03,019 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]
[2025-05-07 17:26:03,019 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:26:03,019 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:03,019 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:03,019 INFO  L85        PathProgramCache]: Analyzing trace with hash 1591529249, now seen corresponding path program 1 times
[2025-05-07 17:26:03,019 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:03,019 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23981957]
[2025-05-07 17:26:03,019 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:03,020 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:03,044 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes.
[2025-05-07 17:26:03,046 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements.
[2025-05-07 17:26:03,046 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:03,046 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:03,102 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 17:26:03,102 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:03,102 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23981957]
[2025-05-07 17:26:03,102 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23981957] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:03,102 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:03,103 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:26:03,103 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596976826]
[2025-05-07 17:26:03,103 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:03,103 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:26:03,103 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:03,104 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:26:03,104 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:26:03,104 INFO  L87              Difference]: Start difference. First operand 106 states and 119 transitions. Second operand  has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 4 states have call successors, (24), 1 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24)
[2025-05-07 17:26:03,111 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:03,112 INFO  L93              Difference]: Finished difference Result 110 states and 123 transitions.
[2025-05-07 17:26:03,112 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:26:03,112 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 4 states have call successors, (24), 1 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 85
[2025-05-07 17:26:03,112 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:03,113 INFO  L225             Difference]: With dead ends: 110
[2025-05-07 17:26:03,113 INFO  L226             Difference]: Without dead ends: 106
[2025-05-07 17:26:03,114 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 17:26:03,114 INFO  L437           NwaCegarLoop]: 116 mSDtfsCounter, 1 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:03,114 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 340 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:03,115 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2025-05-07 17:26:03,118 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104.
[2025-05-07 17:26:03,119 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 104 states, 43 states have (on average 1.0232558139534884) internal successors, (44), 44 states have internal predecessors, (44), 32 states have call successors, (34), 26 states have call predecessors, (34), 28 states have return successors, (36), 33 states have call predecessors, (36), 32 states have call successors, (36)
[2025-05-07 17:26:03,119 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 114 transitions.
[2025-05-07 17:26:03,119 INFO  L79                 Accepts]: Start accepts. Automaton has 104 states and 114 transitions. Word has length 85
[2025-05-07 17:26:03,120 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:03,120 INFO  L485      AbstractCegarLoop]: Abstraction has 104 states and 114 transitions.
[2025-05-07 17:26:03,120 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 4 states have call successors, (24), 1 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24)
[2025-05-07 17:26:03,120 INFO  L278                IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions.
[2025-05-07 17:26:03,120 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2025-05-07 17:26:03,120 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:03,121 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]
[2025-05-07 17:26:03,121 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:26:03,121 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:03,121 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:03,121 INFO  L85        PathProgramCache]: Analyzing trace with hash 1882714141, now seen corresponding path program 1 times
[2025-05-07 17:26:03,121 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:03,121 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362086784]
[2025-05-07 17:26:03,121 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:03,121 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:03,154 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes.
[2025-05-07 17:26:03,162 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements.
[2025-05-07 17:26:03,162 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:03,162 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:03,300 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 17:26:03,300 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:03,300 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362086784]
[2025-05-07 17:26:03,300 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362086784] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:03,300 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:03,301 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:26:03,301 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52198595]
[2025-05-07 17:26:03,301 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:03,301 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:26:03,301 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:03,302 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:26:03,302 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:26:03,302 INFO  L87              Difference]: Start difference. First operand 104 states and 114 transitions. Second operand  has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (24), 1 states have call predecessors, (24), 5 states have return successors, (24), 6 states have call predecessors, (24), 4 states have call successors, (24)
[2025-05-07 17:26:03,344 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:03,344 INFO  L93              Difference]: Finished difference Result 91 states and 99 transitions.
[2025-05-07 17:26:03,344 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:26:03,344 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (24), 1 states have call predecessors, (24), 5 states have return successors, (24), 6 states have call predecessors, (24), 4 states have call successors, (24) Word has length 85
[2025-05-07 17:26:03,345 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:03,345 INFO  L225             Difference]: With dead ends: 91
[2025-05-07 17:26:03,345 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:26:03,345 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 17:26:03,346 INFO  L437           NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:03,346 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 463 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:03,346 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:26:03,346 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:26:03,346 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 17:26:03,347 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:26:03,347 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85
[2025-05-07 17:26:03,347 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:03,347 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:26:03,347 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (24), 1 states have call predecessors, (24), 5 states have return successors, (24), 6 states have call predecessors, (24), 4 states have call successors, (24)
[2025-05-07 17:26:03,347 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:26:03,347 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:26:03,349 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:26:03,350 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-05-07 17:26:03,353 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2025-05-07 17:26:03,355 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:26:03,358 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:26:03 BoogieIcfgContainer
[2025-05-07 17:26:03,358 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:26:03,359 INFO  L158              Benchmark]: Toolchain (without parser) took 2219.81ms. Allocated memory is still 234.9MB. Free memory was 147.8MB in the beginning and 83.7MB in the end (delta: 64.1MB). Peak memory consumption was 62.3MB. Max. memory is 33.6GB.
[2025-05-07 17:26:03,359 INFO  L158              Benchmark]: SmtParser took 0.20ms. Allocated memory is still 234.9MB. Free memory is still 173.1MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:03,359 INFO  L158              Benchmark]: ChcToBoogie took 33.64ms. Allocated memory is still 234.9MB. Free memory was 147.8MB in the beginning and 144.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:03,359 INFO  L158              Benchmark]: Boogie Preprocessor took 53.77ms. Allocated memory is still 234.9MB. Free memory was 144.8MB in the beginning and 141.5MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:03,359 INFO  L158              Benchmark]: RCFGBuilder took 390.98ms. Allocated memory is still 234.9MB. Free memory was 141.5MB in the beginning and 175.8MB in the end (delta: -34.3MB). Peak memory consumption was 42.5MB. Max. memory is 33.6GB.
[2025-05-07 17:26:03,360 INFO  L158              Benchmark]: TraceAbstraction took 1737.94ms. Allocated memory is still 234.9MB. Free memory was 175.0MB in the beginning and 83.7MB in the end (delta: 91.3MB). Peak memory consumption was 86.9MB. Max. memory is 33.6GB.
[2025-05-07 17:26:03,361 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.20ms. Allocated memory is still 234.9MB. Free memory is still 173.1MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 33.64ms. Allocated memory is still 234.9MB. Free memory was 147.8MB in the beginning and 144.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 53.77ms. Allocated memory is still 234.9MB. Free memory was 144.8MB in the beginning and 141.5MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 390.98ms. Allocated memory is still 234.9MB. Free memory was 141.5MB in the beginning and 175.8MB in the end (delta: -34.3MB). Peak memory consumption was 42.5MB. Max. memory is 33.6GB.
 * TraceAbstraction took 1737.94ms. Allocated memory is still 234.9MB. Free memory was 175.0MB in the beginning and 83.7MB in the end (delta: 91.3MB). Peak memory consumption was 86.9MB. 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 27 procedures, 109 locations, 170 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 3339 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2654 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 155 IncrementalHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 685 mSDtfsCounter, 155 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 487 NumberOfCodeBlocks, 487 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 597 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 17:26:03,372 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
