./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/loops/while_2_fail.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:29:22,500 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:29:22,552 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33a9f75-a691-4327-92bd-31c981003420/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:29:22,555 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:29:22,556 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:29:22,573 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:29:22,573 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:29:22,573 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:29:22,573 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:29:22,574 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:29:22,574 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:29:22,574 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:29:22,574 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:29:22,574 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:29:22,574 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:29:22,574 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:29:22,574 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:29:22,575 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:29:22,575 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:29:22,575 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:29:22,575 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:29:22,575 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:29:22,575 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:29:22,575 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:29:22,575 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:29:22,576 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:29:22,576 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:29:22,759 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:29:22,767 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:29:22,769 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:29:22,770 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:29:22,770 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:29:22,772 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33a9f75-a691-4327-92bd-31c981003420/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/loops/while_2_fail.sol_0_no_adts_000.smt2
[2025-05-07 17:29:22,773 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:29:22,776 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:29:22,970 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33a9f75-a691-4327-92bd-31c981003420/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/loops/while_2_fail.sol_0_no_adts_000.smt2
[2025-05-07 17:29:22,973 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:29:22,974 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:29:22,975 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:29:22,975 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:29:22,975 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:29:22,977 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:29:22" (1/1) ...
[2025-05-07 17:29:23,010 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23 Unit
[2025-05-07 17:29:23,010 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:29:23,011 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:29:23,011 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:29:23,011 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:29:23,025 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,025 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,049 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,049 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,053 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,054 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,055 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,057 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,057 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,069 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:29:23,069 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:29:23,069 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:29:23,069 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:29:23,070 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (1/1) ...
[2025-05-07 17:29:23,072 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:29:23,083 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:29:23,093 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 17:29:23,095 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 17:29:23,104 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:29:23,104 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:29:23,104 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:29:23,104 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_3_0 given in one single declaration
[2025-05-07 17:29:23,104 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_3_0
[2025-05-07 17:29:23,104 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_3_0
[2025-05-07 17:29:23,105 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_34_0 given in one single declaration
[2025-05-07 17:29:23,105 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_34_0
[2025-05-07 17:29:23,105 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_34_0
[2025-05-07 17:29:23,105 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_34_0 given in one single declaration
[2025-05-07 17:29:23,105 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_34_0
[2025-05-07 17:29:23,105 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_34_0
[2025-05-07 17:29:23,105 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_20_C_34_0 given in one single declaration
[2025-05-07 17:29:23,105 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_20_C_34_0
[2025-05-07 17:29:23,105 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_20_C_34_0
[2025-05-07 17:29:23,105 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_17_C_34_0 given in one single declaration
[2025-05-07 17:29:23,105 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_17_C_34_0
[2025-05-07 17:29:23,105 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_17_C_34_0
[2025-05-07 17:29:23,105 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_19_C_34_0 given in one single declaration
[2025-05-07 17:29:23,105 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_19_C_34_0
[2025-05-07 17:29:23,105 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_19_C_34_0
[2025-05-07 17:29:23,105 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_18_C_34_0 given in one single declaration
[2025-05-07 17:29:23,106 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_18_C_34_0
[2025-05-07 17:29:23,106 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_18_C_34_0
[2025-05-07 17:29:23,106 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__33_34_0 given in one single declaration
[2025-05-07 17:29:23,106 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__33_34_0
[2025-05-07 17:29:23,106 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__33_34_0
[2025-05-07 17:29:23,106 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__33_34_0 given in one single declaration
[2025-05-07 17:29:23,106 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__33_34_0
[2025-05-07 17:29:23,106 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__33_34_0
[2025-05-07 17:29:23,106 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_return_function_f__33_34_0 given in one single declaration
[2025-05-07 17:29:23,106 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_return_function_f__33_34_0
[2025-05-07 17:29:23,106 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_return_function_f__33_34_0
[2025-05-07 17:29:23,106 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_f_32_34_0 given in one single declaration
[2025-05-07 17:29:23,106 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_f_32_34_0
[2025-05-07 17:29:23,106 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_f_32_34_0
[2025-05-07 17:29:23,106 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_while_header_f_25_34_0 given in one single declaration
[2025-05-07 17:29:23,106 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_while_header_f_25_34_0
[2025-05-07 17:29:23,106 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_while_header_f_25_34_0
[2025-05-07 17:29:23,106 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_f_32_34_0 given in one single declaration
[2025-05-07 17:29:23,106 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_f_32_34_0
[2025-05-07 17:29:23,107 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_f_32_34_0
[2025-05-07 17:29:23,107 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_5_function_f__33_34_0 given in one single declaration
[2025-05-07 17:29:23,107 INFO  L130     BoogieDeclarations]: Found specification of procedure block_5_function_f__33_34_0
[2025-05-07 17:29:23,107 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_5_function_f__33_34_0
[2025-05-07 17:29:23,107 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_f_32_34_0 given in one single declaration
[2025-05-07 17:29:23,107 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_f_32_34_0
[2025-05-07 17:29:23,107 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_f_32_34_0
[2025-05-07 17:29:23,107 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_if_false_f_22_34_0 given in one single declaration
[2025-05-07 17:29:23,107 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_if_false_f_22_34_0
[2025-05-07 17:29:23,107 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_if_false_f_22_34_0
[2025-05-07 17:29:23,107 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_if_header_f_23_34_0 given in one single declaration
[2025-05-07 17:29:23,107 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_if_header_f_23_34_0
[2025-05-07 17:29:23,107 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_if_header_f_23_34_0
[2025-05-07 17:29:23,107 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_while_body_f_24_34_0 given in one single declaration
[2025-05-07 17:29:23,107 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_while_body_f_24_34_0
[2025-05-07 17:29:23,107 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_while_body_f_24_34_0
[2025-05-07 17:29:23,107 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_if_true_f_18_34_0 given in one single declaration
[2025-05-07 17:29:23,107 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_if_true_f_18_34_0
[2025-05-07 17:29:23,107 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_if_true_f_18_34_0
[2025-05-07 17:29:23,107 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_function_f__33_34_0 given in one single declaration
[2025-05-07 17:29:23,107 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_function_f__33_34_0
[2025-05-07 17:29:23,108 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_function_f__33_34_0
[2025-05-07 17:29:23,108 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_function_f__33_34_0 given in one single declaration
[2025-05-07 17:29:23,108 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_function_f__33_34_0
[2025-05-07 17:29:23,108 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_function_f__33_34_0
[2025-05-07 17:29:23,108 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:29:23,108 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:29:23,108 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:29:23,224 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:29:23,227 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:29:23,422 INFO  L?                        ?]: Removed 134 outVars from TransFormulas that were not future-live.
[2025-05-07 17:29:23,422 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:29:23,442 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:29:23,443 INFO  L312             CfgBuilder]: Removed 9 assume(true) statements.
[2025-05-07 17:29:23,443 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:29:23 BoogieIcfgContainer
[2025-05-07 17:29:23,443 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:29:23,445 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:29:23,445 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:29:23,449 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:29:23,449 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:29:22" (1/3) ...
[2025-05-07 17:29:23,449 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b191225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:29:23, skipping insertion in model container
[2025-05-07 17:29:23,450 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:23" (2/3) ...
[2025-05-07 17:29:23,450 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b191225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:29:23, skipping insertion in model container
[2025-05-07 17:29:23,450 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:29:23" (3/3) ...
[2025-05-07 17:29:23,451 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:29:23,461 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:29:23,463 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 23 procedures, 90 locations, 130 edges, 23 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:29:23,497 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:29:23,508 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;@5c40a7b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:29:23,508 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:29:23,512 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 90 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 43 states have internal predecessors, (43), 28 states have call successors, (29), 22 states have call predecessors, (29), 22 states have return successors, (29), 24 states have call predecessors, (29), 28 states have call successors, (29)
[2025-05-07 17:29:23,520 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:29:23,520 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:29:23,520 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]
[2025-05-07 17:29:23,521 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:29:23,524 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:29:23,525 INFO  L85        PathProgramCache]: Analyzing trace with hash -1576009856, now seen corresponding path program 1 times
[2025-05-07 17:29:23,530 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:29:23,530 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40797717]
[2025-05-07 17:29:23,530 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:29:23,531 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:29:23,577 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:29:23,645 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:29:23,646 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:29:23,646 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:29:23,960 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 17:29:23,961 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:29:23,961 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40797717]
[2025-05-07 17:29:23,962 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40797717] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:29:23,962 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:29:23,964 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-05-07 17:29:23,966 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873684227]
[2025-05-07 17:29:23,967 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:29:23,971 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-05-07 17:29:23,971 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:29:24,000 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-05-07 17:29:24,001 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:29:24,003 INFO  L87              Difference]: Start difference. First operand  has 90 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 43 states have internal predecessors, (43), 28 states have call successors, (29), 22 states have call predecessors, (29), 22 states have return successors, (29), 24 states have call predecessors, (29), 28 states have call successors, (29) Second operand  has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 4 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16)
[2025-05-07 17:29:24,056 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:29:24,057 INFO  L93              Difference]: Finished difference Result 92 states and 103 transitions.
[2025-05-07 17:29:24,058 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-05-07 17:29:24,059 INFO  L79                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 4 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 59
[2025-05-07 17:29:24,059 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:29:24,065 INFO  L225             Difference]: With dead ends: 92
[2025-05-07 17:29:24,065 INFO  L226             Difference]: Without dead ends: 88
[2025-05-07 17:29:24,066 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:29:24,068 INFO  L437           NwaCegarLoop]: 98 mSDtfsCounter, 1 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:29:24,069 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 378 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:29:24,081 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2025-05-07 17:29:24,097 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 86.
[2025-05-07 17:29:24,098 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 86 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 40 states have internal predecessors, (40), 26 states have call successors, (27), 22 states have call predecessors, (27), 22 states have return successors, (27), 23 states have call predecessors, (27), 26 states have call successors, (27)
[2025-05-07 17:29:24,101 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 94 transitions.
[2025-05-07 17:29:24,101 INFO  L79                 Accepts]: Start accepts. Automaton has 86 states and 94 transitions. Word has length 59
[2025-05-07 17:29:24,102 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:29:24,102 INFO  L485      AbstractCegarLoop]: Abstraction has 86 states and 94 transitions.
[2025-05-07 17:29:24,102 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 4 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16)
[2025-05-07 17:29:24,102 INFO  L278                IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions.
[2025-05-07 17:29:24,104 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:29:24,104 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:29:24,104 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]
[2025-05-07 17:29:24,104 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:29:24,104 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:29:24,105 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:29:24,105 INFO  L85        PathProgramCache]: Analyzing trace with hash 1989827076, now seen corresponding path program 1 times
[2025-05-07 17:29:24,105 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:29:24,105 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002744571]
[2025-05-07 17:29:24,105 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:29:24,105 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:29:24,135 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:29:24,153 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:29:24,153 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:29:24,153 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:29:24,309 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 17:29:24,309 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:29:24,310 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002744571]
[2025-05-07 17:29:24,310 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002744571] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:29:24,310 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:29:24,310 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:29:24,310 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113704451]
[2025-05-07 17:29:24,310 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:29:24,311 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:29:24,311 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:29:24,311 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:29:24,311 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:29:24,311 INFO  L87              Difference]: Start difference. First operand 86 states and 94 transitions. Second operand  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16)
[2025-05-07 17:29:24,341 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:29:24,342 INFO  L93              Difference]: Finished difference Result 88 states and 96 transitions.
[2025-05-07 17:29:24,342 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:29:24,342 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 59
[2025-05-07 17:29:24,342 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:29:24,343 INFO  L225             Difference]: With dead ends: 88
[2025-05-07 17:29:24,343 INFO  L226             Difference]: Without dead ends: 88
[2025-05-07 17:29:24,343 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 17:29:24,344 INFO  L437           NwaCegarLoop]: 91 mSDtfsCounter, 1 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:29:24,344 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 264 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:29:24,344 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2025-05-07 17:29:24,349 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88.
[2025-05-07 17:29:24,349 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 88 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 41 states have internal predecessors, (41), 26 states have call successors, (27), 22 states have call predecessors, (27), 23 states have return successors, (28), 24 states have call predecessors, (28), 26 states have call successors, (28)
[2025-05-07 17:29:24,350 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions.
[2025-05-07 17:29:24,350 INFO  L79                 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 59
[2025-05-07 17:29:24,350 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:29:24,350 INFO  L485      AbstractCegarLoop]: Abstraction has 88 states and 96 transitions.
[2025-05-07 17:29:24,350 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16)
[2025-05-07 17:29:24,350 INFO  L278                IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions.
[2025-05-07 17:29:24,351 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2025-05-07 17:29:24,351 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:29:24,351 INFO  L218           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:29:24,352 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:29:24,352 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:29:24,352 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:29:24,352 INFO  L85        PathProgramCache]: Analyzing trace with hash -976025887, now seen corresponding path program 1 times
[2025-05-07 17:29:24,352 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:29:24,352 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783024145]
[2025-05-07 17:29:24,352 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:29:24,352 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:29:24,376 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes.
[2025-05-07 17:29:24,390 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements.
[2025-05-07 17:29:24,390 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:29:24,390 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:29:24,575 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2025-05-07 17:29:24,575 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:29:24,575 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783024145]
[2025-05-07 17:29:24,575 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783024145] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:29:24,575 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:29:24,575 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-05-07 17:29:24,575 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601130625]
[2025-05-07 17:29:24,575 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:29:24,576 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-05-07 17:29:24,576 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:29:24,577 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-05-07 17:29:24,577 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:29:24,577 INFO  L87              Difference]: Start difference. First operand 88 states and 96 transitions. Second operand  has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 4 states have call successors, (21), 1 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21)
[2025-05-07 17:29:24,627 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:29:24,627 INFO  L93              Difference]: Finished difference Result 92 states and 100 transitions.
[2025-05-07 17:29:24,627 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-05-07 17:29:24,628 INFO  L79                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 4 states have call successors, (21), 1 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 77
[2025-05-07 17:29:24,628 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:29:24,628 INFO  L225             Difference]: With dead ends: 92
[2025-05-07 17:29:24,628 INFO  L226             Difference]: Without dead ends: 92
[2025-05-07 17:29:24,629 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:29:24,629 INFO  L437           NwaCegarLoop]: 92 mSDtfsCounter, 1 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 356 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 17:29:24,629 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 356 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:29:24,630 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2025-05-07 17:29:24,633 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90.
[2025-05-07 17:29:24,634 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 90 states, 40 states have (on average 1.05) internal successors, (42), 42 states have internal predecessors, (42), 26 states have call successors, (27), 22 states have call predecessors, (27), 24 states have return successors, (29), 25 states have call predecessors, (29), 26 states have call successors, (29)
[2025-05-07 17:29:24,634 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 98 transitions.
[2025-05-07 17:29:24,635 INFO  L79                 Accepts]: Start accepts. Automaton has 90 states and 98 transitions. Word has length 77
[2025-05-07 17:29:24,635 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:29:24,635 INFO  L485      AbstractCegarLoop]: Abstraction has 90 states and 98 transitions.
[2025-05-07 17:29:24,635 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 4 states have call successors, (21), 1 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21)
[2025-05-07 17:29:24,635 INFO  L278                IsEmpty]: Start isEmpty. Operand 90 states and 98 transitions.
[2025-05-07 17:29:24,636 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2025-05-07 17:29:24,636 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:29:24,636 INFO  L218           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:29:24,636 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:29:24,636 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:29:24,637 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:29:24,637 INFO  L85        PathProgramCache]: Analyzing trace with hash -2088157058, now seen corresponding path program 1 times
[2025-05-07 17:29:24,637 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:29:24,637 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101155951]
[2025-05-07 17:29:24,637 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:29:24,637 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:29:24,658 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes.
[2025-05-07 17:29:24,671 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements.
[2025-05-07 17:29:24,671 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:29:24,671 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:29:24,839 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2025-05-07 17:29:24,839 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:29:24,839 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101155951]
[2025-05-07 17:29:24,839 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101155951] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:29:24,839 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:29:24,839 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-05-07 17:29:24,839 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905392392]
[2025-05-07 17:29:24,839 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:29:24,840 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-05-07 17:29:24,840 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:29:24,840 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-05-07 17:29:24,840 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:29:24,841 INFO  L87              Difference]: Start difference. First operand 90 states and 98 transitions. Second operand  has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 4 states have call successors, (21), 1 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21)
[2025-05-07 17:29:24,866 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:29:24,866 INFO  L93              Difference]: Finished difference Result 52 states and 56 transitions.
[2025-05-07 17:29:24,867 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-05-07 17:29:24,867 INFO  L79                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 4 states have call successors, (21), 1 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 77
[2025-05-07 17:29:24,867 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:29:24,867 INFO  L225             Difference]: With dead ends: 52
[2025-05-07 17:29:24,867 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:29:24,868 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:29:24,868 INFO  L437           NwaCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 188 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 17:29:24,868 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 188 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:29:24,869 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:29:24,869 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:29:24,869 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 17:29:24,869 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:29:24,869 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77
[2025-05-07 17:29:24,869 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:29:24,869 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:29:24,869 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 4 states have call successors, (21), 1 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21)
[2025-05-07 17:29:24,869 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:29:24,870 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:29:24,871 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:29:24,872 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:29:24,874 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2025-05-07 17:29:24,876 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:29:24,879 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:29:24 BoogieIcfgContainer
[2025-05-07 17:29:24,879 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:29:24,879 INFO  L158              Benchmark]: Toolchain (without parser) took 1905.53ms. Allocated memory is still 234.9MB. Free memory was 153.2MB in the beginning and 172.8MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:29:24,880 INFO  L158              Benchmark]: SmtParser took 0.27ms. Allocated memory is still 234.9MB. Free memory is still 172.8MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:29:24,880 INFO  L158              Benchmark]: ChcToBoogie took 35.77ms. Allocated memory is still 234.9MB. Free memory was 153.1MB in the beginning and 150.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:29:24,880 INFO  L158              Benchmark]: Boogie Preprocessor took 57.83ms. Allocated memory is still 234.9MB. Free memory was 150.7MB in the beginning and 147.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:29:24,880 INFO  L158              Benchmark]: RCFGBuilder took 374.02ms. Allocated memory is still 234.9MB. Free memory was 147.6MB in the beginning and 193.7MB in the end (delta: -46.2MB). Peak memory consumption was 42.1MB. Max. memory is 33.6GB.
[2025-05-07 17:29:24,880 INFO  L158              Benchmark]: TraceAbstraction took 1433.60ms. Allocated memory is still 234.9MB. Free memory was 192.9MB in the beginning and 172.8MB in the end (delta: 20.1MB). Peak memory consumption was 19.0MB. Max. memory is 33.6GB.
[2025-05-07 17:29:24,881 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 172.8MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 35.77ms. Allocated memory is still 234.9MB. Free memory was 153.1MB in the beginning and 150.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 57.83ms. Allocated memory is still 234.9MB. Free memory was 150.7MB in the beginning and 147.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 374.02ms. Allocated memory is still 234.9MB. Free memory was 147.6MB in the beginning and 193.7MB in the end (delta: -46.2MB). Peak memory consumption was 42.1MB. Max. memory is 33.6GB.
 * TraceAbstraction took 1433.60ms. Allocated memory is still 234.9MB. Free memory was 192.9MB in the beginning and 172.8MB in the end (delta: 20.1MB). Peak memory consumption was 19.0MB. 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 23 procedures, 90 locations, 130 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 1186 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 855 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 331 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=0, InterpolantAutomatonStates: 19, 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, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 272 NumberOfCodeBlocks, 272 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 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 17:29:24,892 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
