./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/functions/this_external_call.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:28:51,882 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:28:51,919 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228ff6d0-e1d2-44ed-ad60-4db059dbd486/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:28:51,922 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:28:51,922 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:28:51,935 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:28:51,936 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:28:51,936 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:28:51,936 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:28:51,936 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:28:51,936 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:28:51,937 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:28:51,937 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:28:51,937 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:28:51,937 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:28:51,937 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:28:51,937 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:28:51,937 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:28:51,937 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:51,937 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:28:51,937 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:28:51,937 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:28:51,937 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:28:51,937 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:28:51,937 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:28:51,938 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:28:51,938 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:28:52,119 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:28:52,127 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:28:52,129 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:28:52,130 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:28:52,130 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:28:52,131 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228ff6d0-e1d2-44ed-ad60-4db059dbd486/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/functions/this_external_call.sol_0_no_adts_000.smt2
[2025-05-07 17:28:52,132 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:28:52,134 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:28:52,354 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228ff6d0-e1d2-44ed-ad60-4db059dbd486/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/functions/this_external_call.sol_0_no_adts_000.smt2
[2025-05-07 17:28:52,356 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:28:52,357 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:28:52,358 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:28:52,358 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:28:52,358 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:28:52,360 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:52" (1/1) ...
[2025-05-07 17:28:52,391 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:52 Unit
[2025-05-07 17:28:52,391 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:28:52,392 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:28:52,392 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:28:52,392 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:28:52,403 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:52" (1/1) ...
[2025-05-07 17:28:52,403 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:52" (1/1) ...
[2025-05-07 17:28:52,423 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:52" (1/1) ...
[2025-05-07 17:28:52,423 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:52" (1/1) ...
[2025-05-07 17:28:52,427 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:52" (1/1) ...
[2025-05-07 17:28:52,428 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:52" (1/1) ...
[2025-05-07 17:28:52,429 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:52" (1/1) ...
[2025-05-07 17:28:52,431 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:52" (1/1) ...
[2025-05-07 17:28:52,432 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:52" (1/1) ...
[2025-05-07 17:28:52,442 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:28:52,443 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:28:52,443 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:28:52,443 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:28:52,444 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:52" (1/1) ...
[2025-05-07 17:28:52,445 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:52,454 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:28:52,462 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2025-05-07 17:28:52,464 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-05-07 17:28:52,472 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:28:52,472 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:28:52,472 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:28:52,472 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_3_0 given in one single declaration
[2025-05-07 17:28:52,472 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_3_0
[2025-05-07 17:28:52,472 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_3_0
[2025-05-07 17:28:52,472 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_6_function_g__36_37_0 given in one single declaration
[2025-05-07 17:28:52,472 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_6_function_g__36_37_0
[2025-05-07 17:28:52,472 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_6_function_g__36_37_0
[2025-05-07 17:28:52,472 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_function_g__36_37_0 given in one single declaration
[2025-05-07 17:28:52,472 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_function_g__36_37_0
[2025-05-07 17:28:52,472 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_function_g__36_37_0
[2025-05-07 17:28:52,472 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_5_function_g__36_37_0 given in one single declaration
[2025-05-07 17:28:52,472 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_5_function_g__36_37_0
[2025-05-07 17:28:52,472 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_5_function_g__36_37_0
[2025-05-07 17:28:52,473 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_function_g__36_37_0 given in one single declaration
[2025-05-07 17:28:52,473 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_function_g__36_37_0
[2025-05-07 17:28:52,473 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_function_g__36_37_0
[2025-05-07 17:28:52,473 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_14_function_f__12_37_0 given in one single declaration
[2025-05-07 17:28:52,473 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_14_function_f__12_37_0
[2025-05-07 17:28:52,473 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_14_function_f__12_37_0
[2025-05-07 17:28:52,473 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__12_37_0 given in one single declaration
[2025-05-07 17:28:52,473 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__12_37_0
[2025-05-07 17:28:52,473 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__12_37_0
[2025-05-07 17:28:52,473 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_return_function_f__12_37_0 given in one single declaration
[2025-05-07 17:28:52,473 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_return_function_f__12_37_0
[2025-05-07 17:28:52,473 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_return_function_f__12_37_0
[2025-05-07 17:28:52,473 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_f_11_37_0 given in one single declaration
[2025-05-07 17:28:52,473 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_f_11_37_0
[2025-05-07 17:28:52,473 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_f_11_37_0
[2025-05-07 17:28:52,473 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_function_f__12_37_0 given in one single declaration
[2025-05-07 17:28:52,473 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_function_f__12_37_0
[2025-05-07 17:28:52,473 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_function_f__12_37_0
[2025-05-07 17:28:52,474 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_g_35_37_0 given in one single declaration
[2025-05-07 17:28:52,474 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_g_35_37_0
[2025-05-07 17:28:52,474 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_g_35_37_0
[2025-05-07 17:28:52,474 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_function_g__36_37_0 given in one single declaration
[2025-05-07 17:28:52,474 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_function_g__36_37_0
[2025-05-07 17:28:52,474 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_function_g__36_37_0
[2025-05-07 17:28:52,474 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_return_function_g__36_37_0 given in one single declaration
[2025-05-07 17:28:52,474 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_return_function_g__36_37_0
[2025-05-07 17:28:52,474 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_return_function_g__36_37_0
[2025-05-07 17:28:52,474 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_37_0 given in one single declaration
[2025-05-07 17:28:52,474 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_37_0
[2025-05-07 17:28:52,474 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_37_0
[2025-05-07 17:28:52,474 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_37_0 given in one single declaration
[2025-05-07 17:28:52,474 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_37_0
[2025-05-07 17:28:52,474 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_37_0
[2025-05-07 17:28:52,474 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_20_C_37_0 given in one single declaration
[2025-05-07 17:28:52,474 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_20_C_37_0
[2025-05-07 17:28:52,474 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_20_C_37_0
[2025-05-07 17:28:52,474 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_17_C_37_0 given in one single declaration
[2025-05-07 17:28:52,474 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_17_C_37_0
[2025-05-07 17:28:52,475 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_17_C_37_0
[2025-05-07 17:28:52,475 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_19_C_37_0 given in one single declaration
[2025-05-07 17:28:52,475 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_19_C_37_0
[2025-05-07 17:28:52,475 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_19_C_37_0
[2025-05-07 17:28:52,475 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_18_C_37_0 given in one single declaration
[2025-05-07 17:28:52,475 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_18_C_37_0
[2025-05-07 17:28:52,475 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_18_C_37_0
[2025-05-07 17:28:52,475 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__12_37_0 given in one single declaration
[2025-05-07 17:28:52,475 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__12_37_0
[2025-05-07 17:28:52,475 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__12_37_0
[2025-05-07 17:28:52,475 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_function_f__12_37_0 given in one single declaration
[2025-05-07 17:28:52,475 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_function_f__12_37_0
[2025-05-07 17:28:52,475 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_function_f__12_37_0
[2025-05-07 17:28:52,475 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:28:52,475 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:28:52,475 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:28:52,619 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:28:52,620 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:28:52,836 INFO  L?                        ?]: Removed 229 outVars from TransFormulas that were not future-live.
[2025-05-07 17:28:52,837 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:28:52,844 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:28:52,845 INFO  L312             CfgBuilder]: Removed 11 assume(true) statements.
[2025-05-07 17:28:52,845 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:52 BoogieIcfgContainer
[2025-05-07 17:28:52,845 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:28:52,846 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:28:52,846 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:28:52,849 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:28:52,849 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:52" (1/3) ...
[2025-05-07 17:28:52,850 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a78b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:28:52, skipping insertion in model container
[2025-05-07 17:28:52,850 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:52" (2/3) ...
[2025-05-07 17:28:52,850 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a78b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:28:52, skipping insertion in model container
[2025-05-07 17:28:52,850 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:52" (3/3) ...
[2025-05-07 17:28:52,851 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:28:52,861 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:28:52,862 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 23 procedures, 91 locations, 137 edges, 23 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:28:52,891 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:28:52,899 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;@7b60702c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:28:52,899 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:28:52,902 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 91 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 41 states have internal predecessors, (41), 31 states have call successors, (32), 22 states have call predecessors, (32), 22 states have return successors, (32), 27 states have call predecessors, (32), 31 states have call successors, (32)
[2025-05-07 17:28:52,908 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:28:52,909 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:52,909 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 17:28:52,909 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:52,912 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:52,913 INFO  L85        PathProgramCache]: Analyzing trace with hash -997133568, now seen corresponding path program 1 times
[2025-05-07 17:28:52,918 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:52,918 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655357405]
[2025-05-07 17:28:52,918 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:52,919 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:52,967 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:28:53,044 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:28:53,044 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:53,044 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:53,252 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:53,253 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:53,253 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655357405]
[2025-05-07 17:28:53,253 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655357405] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:53,254 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:53,256 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:28:53,257 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70779917]
[2025-05-07 17:28:53,257 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:53,260 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:28:53,260 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:53,290 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:28:53,290 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:28:53,291 INFO  L87              Difference]: Start difference. First operand  has 91 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 41 states have internal predecessors, (41), 31 states have call successors, (32), 22 states have call predecessors, (32), 22 states have return successors, (32), 27 states have call predecessors, (32), 31 states have call successors, (32) Second operand  has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 7 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:28:53,408 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:53,408 INFO  L93              Difference]: Finished difference Result 89 states and 102 transitions.
[2025-05-07 17:28:53,409 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:28:53,410 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), 4 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 7 states have call predecessors, (18), 4 states have call successors, (18) Word has length 65
[2025-05-07 17:28:53,411 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:53,416 INFO  L225             Difference]: With dead ends: 89
[2025-05-07 17:28:53,416 INFO  L226             Difference]: Without dead ends: 87
[2025-05-07 17:28:53,418 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:28:53,420 INFO  L437           NwaCegarLoop]: 96 mSDtfsCounter, 0 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 560 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 17:28:53,420 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 560 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:53,430 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 87 states.
[2025-05-07 17:28:53,446 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87.
[2025-05-07 17:28:53,447 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 87 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 38 states have internal predecessors, (38), 29 states have call successors, (30), 22 states have call predecessors, (30), 22 states have return successors, (30), 26 states have call predecessors, (30), 29 states have call successors, (30)
[2025-05-07 17:28:53,450 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 98 transitions.
[2025-05-07 17:28:53,451 INFO  L79                 Accepts]: Start accepts. Automaton has 87 states and 98 transitions. Word has length 65
[2025-05-07 17:28:53,452 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:53,452 INFO  L485      AbstractCegarLoop]: Abstraction has 87 states and 98 transitions.
[2025-05-07 17:28:53,452 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), 4 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 7 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:28:53,452 INFO  L278                IsEmpty]: Start isEmpty. Operand 87 states and 98 transitions.
[2025-05-07 17:28:53,454 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-05-07 17:28:53,454 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:53,454 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]
[2025-05-07 17:28:53,455 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:28:53,455 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:53,455 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:53,455 INFO  L85        PathProgramCache]: Analyzing trace with hash 1103717056, now seen corresponding path program 1 times
[2025-05-07 17:28:53,455 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:53,455 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095095740]
[2025-05-07 17:28:53,455 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:53,456 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:53,493 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-05-07 17:28:53,498 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-05-07 17:28:53,498 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:53,498 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:53,581 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:53,582 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:53,582 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095095740]
[2025-05-07 17:28:53,582 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095095740] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:53,582 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:53,582 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:53,582 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609076129]
[2025-05-07 17:28:53,582 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:53,583 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:53,583 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:53,583 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:53,583 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:53,583 INFO  L87              Difference]: Start difference. First operand 87 states and 98 transitions. Second operand  has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19)
[2025-05-07 17:28:53,594 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:53,594 INFO  L93              Difference]: Finished difference Result 91 states and 103 transitions.
[2025-05-07 17:28:53,595 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:53,595 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 68
[2025-05-07 17:28:53,595 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:53,596 INFO  L225             Difference]: With dead ends: 91
[2025-05-07 17:28:53,596 INFO  L226             Difference]: Without dead ends: 87
[2025-05-07 17:28:53,596 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:53,597 INFO  L437           NwaCegarLoop]: 98 mSDtfsCounter, 1 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 287 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 17:28:53,597 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 287 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:53,597 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 87 states.
[2025-05-07 17:28:53,602 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85.
[2025-05-07 17:28:53,602 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 85 states, 35 states have (on average 1.0571428571428572) internal successors, (37), 37 states have internal predecessors, (37), 27 states have call successors, (28), 22 states have call predecessors, (28), 22 states have return successors, (28), 25 states have call predecessors, (28), 27 states have call successors, (28)
[2025-05-07 17:28:53,603 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 93 transitions.
[2025-05-07 17:28:53,603 INFO  L79                 Accepts]: Start accepts. Automaton has 85 states and 93 transitions. Word has length 68
[2025-05-07 17:28:53,603 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:53,603 INFO  L485      AbstractCegarLoop]: Abstraction has 85 states and 93 transitions.
[2025-05-07 17:28:53,603 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19)
[2025-05-07 17:28:53,603 INFO  L278                IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions.
[2025-05-07 17:28:53,605 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-05-07 17:28:53,605 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:53,605 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]
[2025-05-07 17:28:53,605 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:28:53,605 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:53,606 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:53,606 INFO  L85        PathProgramCache]: Analyzing trace with hash 1517056772, now seen corresponding path program 1 times
[2025-05-07 17:28:53,606 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:53,606 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172010130]
[2025-05-07 17:28:53,606 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:53,606 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:53,634 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-05-07 17:28:53,650 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-05-07 17:28:53,650 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:53,650 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:53,754 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:53,754 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:53,754 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172010130]
[2025-05-07 17:28:53,754 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172010130] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:53,754 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:53,754 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:53,754 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110281965]
[2025-05-07 17:28:53,754 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:53,755 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:53,755 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:53,755 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:53,756 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:53,756 INFO  L87              Difference]: Start difference. First operand 85 states and 93 transitions. Second operand  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 6 states have call predecessors, (19), 4 states have call successors, (19)
[2025-05-07 17:28:53,789 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:53,790 INFO  L93              Difference]: Finished difference Result 90 states and 99 transitions.
[2025-05-07 17:28:53,790 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:53,790 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 6 states have call predecessors, (19), 4 states have call successors, (19) Word has length 68
[2025-05-07 17:28:53,791 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:53,792 INFO  L225             Difference]: With dead ends: 90
[2025-05-07 17:28:53,792 INFO  L226             Difference]: Without dead ends: 90
[2025-05-07 17:28:53,792 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:53,792 INFO  L437           NwaCegarLoop]: 93 mSDtfsCounter, 1 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:53,793 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 452 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:53,793 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 90 states.
[2025-05-07 17:28:53,797 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90.
[2025-05-07 17:28:53,797 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 90 states, 37 states have (on average 1.054054054054054) internal successors, (39), 39 states have internal predecessors, (39), 28 states have call successors, (29), 22 states have call predecessors, (29), 24 states have return successors, (31), 28 states have call predecessors, (31), 28 states have call successors, (31)
[2025-05-07 17:28:53,798 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 99 transitions.
[2025-05-07 17:28:53,798 INFO  L79                 Accepts]: Start accepts. Automaton has 90 states and 99 transitions. Word has length 68
[2025-05-07 17:28:53,799 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:53,799 INFO  L485      AbstractCegarLoop]: Abstraction has 90 states and 99 transitions.
[2025-05-07 17:28:53,799 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 6 states have call predecessors, (19), 4 states have call successors, (19)
[2025-05-07 17:28:53,799 INFO  L278                IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions.
[2025-05-07 17:28:53,800 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-05-07 17:28:53,800 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:53,800 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:53,800 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:28:53,800 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:53,801 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:53,801 INFO  L85        PathProgramCache]: Analyzing trace with hash 1514125892, now seen corresponding path program 1 times
[2025-05-07 17:28:53,801 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:53,801 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390597215]
[2025-05-07 17:28:53,801 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:53,801 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:53,826 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-05-07 17:28:53,843 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-05-07 17:28:53,843 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:53,843 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:54,139 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:54,139 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:54,139 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390597215]
[2025-05-07 17:28:54,139 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390597215] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:54,139 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:54,139 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:28:54,140 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520899987]
[2025-05-07 17:28:54,140 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:54,140 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:28:54,140 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:54,141 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:28:54,141 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:54,141 INFO  L87              Difference]: Start difference. First operand 90 states and 99 transitions. Second operand  has 8 states, 6 states have (on average 5.0) internal successors, (30), 8 states have internal predecessors, (30), 5 states have call successors, (19), 1 states have call predecessors, (19), 6 states have return successors, (19), 6 states have call predecessors, (19), 5 states have call successors, (19)
[2025-05-07 17:28:54,220 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:54,221 INFO  L93              Difference]: Finished difference Result 76 states and 82 transitions.
[2025-05-07 17:28:54,221 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:28:54,221 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 6 states have (on average 5.0) internal successors, (30), 8 states have internal predecessors, (30), 5 states have call successors, (19), 1 states have call predecessors, (19), 6 states have return successors, (19), 6 states have call predecessors, (19), 5 states have call successors, (19) Word has length 68
[2025-05-07 17:28:54,221 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:54,222 INFO  L225             Difference]: With dead ends: 76
[2025-05-07 17:28:54,222 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:28:54,222 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2025-05-07 17:28:54,222 INFO  L437           NwaCegarLoop]: 77 mSDtfsCounter, 1 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:54,223 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 521 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:54,223 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:28:54,223 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:28:54,223 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-05-07 17:28:54,223 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:28:54,223 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68
[2025-05-07 17:28:54,223 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:54,224 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:28:54,224 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 6 states have (on average 5.0) internal successors, (30), 8 states have internal predecessors, (30), 5 states have call successors, (19), 1 states have call predecessors, (19), 6 states have return successors, (19), 6 states have call predecessors, (19), 5 states have call successors, (19)
[2025-05-07 17:28:54,224 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:28:54,224 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:28:54,226 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:28:54,226 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:28:54,229 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2025-05-07 17:28:54,230 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:28:54,233 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:28:54 BoogieIcfgContainer
[2025-05-07 17:28:54,233 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:28:54,233 INFO  L158              Benchmark]: Toolchain (without parser) took 1876.24ms. Allocated memory is still 234.9MB. Free memory was 146.8MB in the beginning and 180.2MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:54,233 INFO  L158              Benchmark]: SmtParser took 0.19ms. Allocated memory is still 234.9MB. Free memory is still 173.7MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:54,234 INFO  L158              Benchmark]: ChcToBoogie took 33.80ms. Allocated memory is still 234.9MB. Free memory was 146.8MB in the beginning and 143.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:54,234 INFO  L158              Benchmark]: Boogie Preprocessor took 50.55ms. Allocated memory is still 234.9MB. Free memory was 143.6MB in the beginning and 140.3MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:54,234 INFO  L158              Benchmark]: RCFGBuilder took 402.24ms. Allocated memory is still 234.9MB. Free memory was 140.3MB in the beginning and 173.0MB in the end (delta: -32.7MB). Peak memory consumption was 42.5MB. Max. memory is 33.6GB.
[2025-05-07 17:28:54,234 INFO  L158              Benchmark]: TraceAbstraction took 1386.41ms. Allocated memory is still 234.9MB. Free memory was 172.4MB in the beginning and 180.2MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:54,235 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.19ms. Allocated memory is still 234.9MB. Free memory is still 173.7MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 33.80ms. Allocated memory is still 234.9MB. Free memory was 146.8MB in the beginning and 143.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 50.55ms. Allocated memory is still 234.9MB. Free memory was 143.6MB in the beginning and 140.3MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 402.24ms. Allocated memory is still 234.9MB. Free memory was 140.3MB in the beginning and 173.0MB in the end (delta: -32.7MB). Peak memory consumption was 42.5MB. Max. memory is 33.6GB.
 * TraceAbstraction took 1386.41ms. Allocated memory is still 234.9MB. Free memory was 172.4MB in the beginning and 180.2MB in the end (delta: -7.8MB). There was no memory consumed. 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, 91 locations, 137 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 1820 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1456 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 364 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred in iteration=0, InterpolantAutomatonStates: 25, 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 343 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2025-05-07 17:28:54,245 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
