./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 44c38e66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 566e2cbe460cf96671c9cef5a53ce51910e23c462e96f394be80b957976729c5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-44c38e6-m [2025-04-24 19:27:20,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 19:27:20,566 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 19:27:20,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 19:27:20,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 19:27:20,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 19:27:20,590 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 19:27:20,590 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 19:27:20,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 19:27:20,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 19:27:20,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 19:27:20,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 19:27:20,591 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 19:27:20,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 19:27:20,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 19:27:20,591 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 19:27:20,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 19:27:20,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 19:27:20,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 19:27:20,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 19:27:20,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 19:27:20,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 19:27:20,592 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 19:27:20,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 19:27:20,592 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 19:27:20,592 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 19:27:20,592 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 19:27:20,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 19:27:20,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 19:27:20,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 19:27:20,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:27:20,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 19:27:20,593 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 19:27:20,593 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 19:27:20,593 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 19:27:20,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:27:20,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 19:27:20,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 19:27:20,593 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 19:27:20,593 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 19:27:20,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 19:27:20,593 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 19:27:20,593 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 19:27:20,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 19:27:20,594 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 19:27:20,594 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 19:27:20,594 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 19:27:20,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 566e2cbe460cf96671c9cef5a53ce51910e23c462e96f394be80b957976729c5 [2025-04-24 19:27:20,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 19:27:20,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 19:27:20,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 19:27:20,834 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 19:27:20,834 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 19:27:20,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i [2025-04-24 19:27:22,061 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a2b3d21cd/01e6378670874a7ca8122317e9912c05/FLAG3cd8ca53b [2025-04-24 19:27:22,313 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 19:27:22,315 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i [2025-04-24 19:27:22,326 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a2b3d21cd/01e6378670874a7ca8122317e9912c05/FLAG3cd8ca53b [2025-04-24 19:27:23,112 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a2b3d21cd/01e6378670874a7ca8122317e9912c05 [2025-04-24 19:27:23,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 19:27:23,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 19:27:23,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 19:27:23,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 19:27:23,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 19:27:23,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 07:27:23" (1/1) ... [2025-04-24 19:27:23,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb401eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:23, skipping insertion in model container [2025-04-24 19:27:23,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 07:27:23" (1/1) ... [2025-04-24 19:27:23,141 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 19:27:23,492 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i[41323,41336] [2025-04-24 19:27:23,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 19:27:23,547 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 19:27:23,593 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i[41323,41336] [2025-04-24 19:27:23,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 19:27:23,642 INFO L204 MainTranslator]: Completed translation [2025-04-24 19:27:23,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:23 WrapperNode [2025-04-24 19:27:23,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 19:27:23,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 19:27:23,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 19:27:23,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 19:27:23,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:23" (1/1) ... [2025-04-24 19:27:23,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:23" (1/1) ... [2025-04-24 19:27:23,689 INFO L138 Inliner]: procedures = 272, calls = 109, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 314 [2025-04-24 19:27:23,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 19:27:23,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 19:27:23,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 19:27:23,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 19:27:23,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:23" (1/1) ... [2025-04-24 19:27:23,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:23" (1/1) ... [2025-04-24 19:27:23,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:23" (1/1) ... [2025-04-24 19:27:23,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:23" (1/1) ... [2025-04-24 19:27:23,714 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:23" (1/1) ... [2025-04-24 19:27:23,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:23" (1/1) ... [2025-04-24 19:27:23,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:23" (1/1) ... [2025-04-24 19:27:23,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:23" (1/1) ... [2025-04-24 19:27:23,729 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:23" (1/1) ... [2025-04-24 19:27:23,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 19:27:23,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 19:27:23,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 19:27:23,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 19:27:23,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:23" (1/1) ... [2025-04-24 19:27:23,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:27:23,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:23,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-24 19:27:23,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-24 19:27:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-24 19:27:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-24 19:27:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-24 19:27:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-24 19:27:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-24 19:27:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-24 19:27:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 19:27:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-24 19:27:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-24 19:27:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 19:27:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 19:27:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 19:27:23,783 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-24 19:27:23,882 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 19:27:23,884 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 19:27:24,253 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 19:27:24,254 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 19:27:24,624 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 19:27:24,625 INFO L312 CfgBuilder]: Removed 15 assume(true) statements. [2025-04-24 19:27:24,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 07:27:24 BoogieIcfgContainer [2025-04-24 19:27:24,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 19:27:24,627 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 19:27:24,627 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 19:27:24,630 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 19:27:24,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 07:27:23" (1/3) ... [2025-04-24 19:27:24,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69414e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 07:27:24, skipping insertion in model container [2025-04-24 19:27:24,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:23" (2/3) ... [2025-04-24 19:27:24,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69414e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 07:27:24, skipping insertion in model container [2025-04-24 19:27:24,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 07:27:24" (3/3) ... [2025-04-24 19:27:24,633 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_72-funloop_hard_racing.i [2025-04-24 19:27:24,644 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 19:27:24,645 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_72-funloop_hard_racing.i that has 2 procedures, 97 locations, 136 edges, 1 initial locations, 20 loop locations, and 3 error locations. [2025-04-24 19:27:24,646 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 19:27:24,686 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-24 19:27:24,722 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:27:24,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 19:27:24,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:24,724 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-24 19:27:24,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-24 19:27:24,793 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 19:27:24,804 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2025-04-24 19:27:24,811 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@1c7315c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:27:24,812 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-24 19:27:25,064 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:25,064 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:25,065 INFO L139 ounterexampleChecker]: Examining path program with hash -949398351, occurence #1 [2025-04-24 19:27:25,065 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:27:25,065 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:25,068 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:25,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1746036955, now seen corresponding path program 1 times [2025-04-24 19:27:25,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:25,075 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450961358] [2025-04-24 19:27:25,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:27:25,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:25,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-24 19:27:25,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-24 19:27:25,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:25,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:25,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:27:25,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:25,314 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450961358] [2025-04-24 19:27:25,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450961358] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:27:25,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:27:25,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-24 19:27:25,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504244098] [2025-04-24 19:27:25,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:27:25,319 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:27:25,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:25,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 19:27:25,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 19:27:25,332 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:25,333 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:25,335 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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) [2025-04-24 19:27:25,335 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:25,396 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:25,396 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 19:27:25,396 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:25,396 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:25,396 INFO L139 ounterexampleChecker]: Examining path program with hash -949398351, occurence #2 [2025-04-24 19:27:25,396 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:25,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-24 19:27:25,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:25,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 19:27:25,398 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:25,399 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:25,399 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:25,399 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:25,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1289414123, now seen corresponding path program 1 times [2025-04-24 19:27:25,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:25,399 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936830176] [2025-04-24 19:27:25,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:27:25,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:25,421 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-24 19:27:25,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-24 19:27:25,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:25,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:25,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:27:25,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:25,531 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936830176] [2025-04-24 19:27:25,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936830176] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:25,531 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715888491] [2025-04-24 19:27:25,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:27:25,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:25,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:25,533 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:27:25,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-24 19:27:25,594 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-24 19:27:25,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-24 19:27:25,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:25,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:25,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-24 19:27:25,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:25,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:27:25,652 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:25,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:27:25,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715888491] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:25,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:25,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-04-24 19:27:25,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620765739] [2025-04-24 19:27:25,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:25,677 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-24 19:27:25,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:25,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-24 19:27:25,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-24 19:27:25,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:25,677 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:25,677 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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) [2025-04-24 19:27:25,677 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:25,677 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:25,740 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:25,740 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:25,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-24 19:27:25,941 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-04-24 19:27:25,941 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:25,941 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:25,941 INFO L139 ounterexampleChecker]: Examining path program with hash -949398351, occurence #3 [2025-04-24 19:27:25,941 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:25,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 19:27:25,941 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:25,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 19:27:25,941 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:25,942 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:25,942 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:25,942 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:25,942 INFO L85 PathProgramCache]: Analyzing trace with hash -271456421, now seen corresponding path program 2 times [2025-04-24 19:27:25,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:25,942 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797553553] [2025-04-24 19:27:25,942 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:27:25,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:25,959 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-04-24 19:27:25,975 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 21 statements. [2025-04-24 19:27:25,975 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-24 19:27:25,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:26,364 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-24 19:27:26,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:26,364 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797553553] [2025-04-24 19:27:26,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797553553] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:27:26,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:27:26,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-24 19:27:26,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663342471] [2025-04-24 19:27:26,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:27:26,364 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-24 19:27:26,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:26,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-24 19:27:26,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-04-24 19:27:26,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:26,365 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:26,365 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 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) [2025-04-24 19:27:26,365 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:26,365 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:26,365 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:26,510 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:26,511 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:26,511 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:26,511 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-24 19:27:26,511 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:26,511 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:26,512 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #1 [2025-04-24 19:27:26,512 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:27:26,512 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:26,512 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:26,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1456833096, now seen corresponding path program 1 times [2025-04-24 19:27:26,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:26,512 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715217265] [2025-04-24 19:27:26,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:27:26,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:26,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-24 19:27:26,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-24 19:27:26,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:26,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:26,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 19:27:26,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:26,641 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715217265] [2025-04-24 19:27:26,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715217265] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:26,641 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056546998] [2025-04-24 19:27:26,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:27:26,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:26,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:26,643 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:27:26,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-24 19:27:26,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-24 19:27:26,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-24 19:27:26,749 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:26,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:26,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-24 19:27:26,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 19:27:26,769 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:26,828 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 19:27:26,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056546998] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:26,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:26,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-04-24 19:27:26,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351389729] [2025-04-24 19:27:26,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:26,828 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-24 19:27:26,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:26,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-24 19:27:26,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-04-24 19:27:26,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:26,829 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:26,829 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 12 states have internal predecessors, (44), 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) [2025-04-24 19:27:26,829 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:26,830 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:26,830 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:26,830 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:26,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:26,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:26,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:26,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:26,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-24 19:27:27,110 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:27,110 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:27,111 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:27,111 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #2 [2025-04-24 19:27:27,111 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:27,111 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 19:27:27,111 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:27,111 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:27,111 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:27,111 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:27,111 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:27,111 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:27,111 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:27,111 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:27,111 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:27,111 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:27,111 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:27,111 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:27,111 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:27,111 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:27,112 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:27,112 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:27,112 INFO L85 PathProgramCache]: Analyzing trace with hash 655704952, now seen corresponding path program 2 times [2025-04-24 19:27:27,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:27,112 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951093849] [2025-04-24 19:27:27,112 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:27:27,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:27,126 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-04-24 19:27:27,157 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 47 of 47 statements. [2025-04-24 19:27:27,157 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:27:27,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:27,858 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:27,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:27,860 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951093849] [2025-04-24 19:27:27,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951093849] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:27,860 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020916424] [2025-04-24 19:27:27,860 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:27:27,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:27,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:27,862 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:27:27,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-24 19:27:27,928 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-04-24 19:27:27,967 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 47 of 47 statements. [2025-04-24 19:27:27,968 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:27:27,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:27,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-04-24 19:27:27,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:28,062 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:28,063 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-24 19:27:28,093 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:28,219 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:28,321 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:28,321 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:28,370 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:28,371 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:28,492 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:28,493 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:28,633 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_217 Int) (v_ArrVal_214 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_214))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_217))) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:28,655 WARN L849 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_25| Int) (v_ArrVal_214 (Array Int Int))) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_214) |c_~#cache~0.base|) (+ .cse0 28 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_25|)))) is different from false [2025-04-24 19:27:28,687 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_214 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_214) |c_~#cache~0.base|) (+ 28 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:28,786 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:28,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020916424] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:28,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:28,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 26 [2025-04-24 19:27:28,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294096174] [2025-04-24 19:27:28,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:28,787 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-04-24 19:27:28,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:28,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-04-24 19:27:28,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=454, Unknown=12, NotChecked=138, Total=702 [2025-04-24 19:27:28,788 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:28,788 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:28,788 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.8518518518518516) internal successors, (104), 26 states have internal predecessors, (104), 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) [2025-04-24 19:27:28,788 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:28,788 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:28,788 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:28,788 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:28,788 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:29,068 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:29,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:29,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:29,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:29,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:29,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-24 19:27:29,273 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:29,273 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:29,273 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:29,273 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #3 [2025-04-24 19:27:29,273 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:29,273 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 19:27:29,273 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,273 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:29,273 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:29,273 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:29,273 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,273 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:29,273 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,273 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:29,273 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,274 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:29,274 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,274 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:29,274 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,274 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:29,274 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,274 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:29,274 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,274 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:29,274 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,274 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:29,274 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,274 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:29,274 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,274 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:29,274 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:29,274 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:29,274 INFO L85 PathProgramCache]: Analyzing trace with hash 108767573, now seen corresponding path program 3 times [2025-04-24 19:27:29,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:29,274 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314419451] [2025-04-24 19:27:29,274 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:27:29,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:29,286 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 6 equivalence classes. [2025-04-24 19:27:29,318 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 61 of 67 statements. [2025-04-24 19:27:29,318 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 19:27:29,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:30,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:30,275 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314419451] [2025-04-24 19:27:30,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314419451] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:30,275 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776175940] [2025-04-24 19:27:30,275 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:27:30,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:30,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:30,278 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:27:30,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-24 19:27:30,339 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 6 equivalence classes. [2025-04-24 19:27:30,393 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 61 of 67 statements. [2025-04-24 19:27:30,393 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 19:27:30,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:30,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-04-24 19:27:30,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:30,495 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:30,495 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-24 19:27:30,524 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:30,638 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:30,724 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:30,724 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:30,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:30,768 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:30,922 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:30,923 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:30,966 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:30,966 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:31,072 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:31,073 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:32,614 WARN L849 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_31| Int) (v_ArrVal_344 (Array Int Int))) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_344) |c_~#cache~0.base|) (+ 56 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_31|)))) is different from false [2025-04-24 19:27:32,781 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:32,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776175940] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:32,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:32,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 36 [2025-04-24 19:27:32,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744109620] [2025-04-24 19:27:32,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:32,782 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-04-24 19:27:32,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:32,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-04-24 19:27:32,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1084, Unknown=33, NotChecked=68, Total=1332 [2025-04-24 19:27:32,783 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:32,783 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:32,784 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.486486486486487) internal successors, (166), 36 states have internal predecessors, (166), 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) [2025-04-24 19:27:32,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:32,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:32,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:32,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:32,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:32,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:33,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:33,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:33,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:33,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:33,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:33,289 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:33,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-24 19:27:33,489 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-04-24 19:27:33,489 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:33,489 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:33,489 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #4 [2025-04-24 19:27:33,489 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:33,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 19:27:33,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:33,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:33,490 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:33,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:33,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:33,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:33,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:33,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:33,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:33,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:33,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:33,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:33,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:33,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:33,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:33,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:33,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:33,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:33,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:33,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:33,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:33,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:33,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:33,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:27:33,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:33,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:27:33,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:33,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:27:33,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:33,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:27:33,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:33,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:27:33,490 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:33,490 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:33,490 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:33,491 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:33,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1875476146, now seen corresponding path program 4 times [2025-04-24 19:27:33,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:33,491 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543228999] [2025-04-24 19:27:33,491 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:27:33,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:33,505 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 87 statements into 2 equivalence classes. [2025-04-24 19:27:33,551 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 87 of 87 statements. [2025-04-24 19:27:33,553 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 19:27:33,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:34,713 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:34,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:34,713 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543228999] [2025-04-24 19:27:34,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543228999] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:34,714 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417894566] [2025-04-24 19:27:34,714 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:27:34,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:34,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:34,716 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:27:34,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-24 19:27:34,787 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 87 statements into 2 equivalence classes. [2025-04-24 19:27:34,926 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 87 of 87 statements. [2025-04-24 19:27:34,926 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 19:27:34,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:34,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 66 conjuncts are in the unsatisfiable core [2025-04-24 19:27:34,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:35,031 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:35,031 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-24 19:27:35,058 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:35,160 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:35,230 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:35,230 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:35,273 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:35,274 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:35,405 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:35,406 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:35,444 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:35,445 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:35,583 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:35,583 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:35,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:35,635 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:35,746 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:35,746 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:36,130 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_513 Int) (v_ArrVal_510 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_510))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_513))) |c_~#cache~0.base|) (+ 84 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:36,145 WARN L849 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39| Int) (v_ArrVal_510 (Array Int Int))) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_510) |c_~#cache~0.base|) (+ 84 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39|)))) is different from false [2025-04-24 19:27:36,297 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:36,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417894566] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:36,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:36,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 15] total 41 [2025-04-24 19:27:36,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348212741] [2025-04-24 19:27:36,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:36,298 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-04-24 19:27:36,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:36,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-04-24 19:27:36,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1373, Unknown=26, NotChecked=154, Total=1722 [2025-04-24 19:27:36,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:36,299 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:36,299 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 5.357142857142857) internal successors, (225), 41 states have internal predecessors, (225), 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) [2025-04-24 19:27:36,299 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:36,299 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:36,299 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:36,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:36,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:36,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:36,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:36,916 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:36,917 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:36,917 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:36,917 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:36,917 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:36,917 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:36,917 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:36,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-24 19:27:37,117 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:37,118 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:37,118 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:37,118 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #5 [2025-04-24 19:27:37,118 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:37,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 19:27:37,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:37,118 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:37,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:37,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:37,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:37,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:37,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:37,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:37,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:37,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:37,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:37,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:37,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:27:37,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:27:37,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:27:37,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:27:37,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:27:37,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:27:37,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:27:37,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:27:37,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:27:37,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,120 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 19:27:37,120 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:37,120 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:37,120 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:37,120 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:37,120 INFO L85 PathProgramCache]: Analyzing trace with hash 141296527, now seen corresponding path program 5 times [2025-04-24 19:27:37,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:37,120 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712509238] [2025-04-24 19:27:37,120 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:27:37,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:37,138 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 6 equivalence classes. [2025-04-24 19:27:37,202 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 107 of 107 statements. [2025-04-24 19:27:37,203 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-24 19:27:37,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:38,344 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:38,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:38,345 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712509238] [2025-04-24 19:27:38,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712509238] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:38,345 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931719755] [2025-04-24 19:27:38,345 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:27:38,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:38,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:38,347 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:27:38,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-24 19:27:38,427 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 6 equivalence classes. [2025-04-24 19:27:42,293 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 107 of 107 statements. [2025-04-24 19:27:42,293 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-24 19:27:42,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:42,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 78 conjuncts are in the unsatisfiable core [2025-04-24 19:27:42,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:42,377 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:42,377 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-24 19:27:42,400 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:42,497 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:42,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:42,566 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:42,604 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:42,605 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:42,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:42,780 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:42,817 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:42,818 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:42,959 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:42,962 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:42,998 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:42,998 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:43,121 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:43,122 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:43,157 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:43,157 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:43,268 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:43,269 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:43,862 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_712 (Array Int Int)) (v_ArrVal_715 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_712))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_715))) |c_~#cache~0.base|) (+ 112 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:43,933 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_712 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_712) |c_~#cache~0.base|) (+ 112 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:44,059 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:44,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931719755] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:44,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:44,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 17] total 47 [2025-04-24 19:27:44,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051412394] [2025-04-24 19:27:44,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:44,060 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-04-24 19:27:44,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:44,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-04-24 19:27:44,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1880, Unknown=24, NotChecked=178, Total=2256 [2025-04-24 19:27:44,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:44,062 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:44,062 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 5.9375) internal successors, (285), 47 states have internal predecessors, (285), 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) [2025-04-24 19:27:44,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:44,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:44,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:44,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:44,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:44,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:44,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:44,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:44,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:44,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:44,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:44,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:44,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:44,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:44,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:44,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:44,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-04-24 19:27:45,083 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-04-24 19:27:45,083 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:45,083 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:45,084 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #6 [2025-04-24 19:27:45,084 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:45,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 19:27:45,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:45,084 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:45,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:45,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:45,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:45,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:45,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:45,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:45,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:45,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:45,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:45,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:45,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:27:45,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:27:45,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:27:45,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:27:45,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:27:45,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:27:45,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:27:45,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:27:45,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:27:45,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 19:27:45,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-24 19:27:45,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 19:27:45,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-24 19:27:45,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-24 19:27:45,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 19:27:45,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,085 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:45,085 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:45,085 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:45,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1162840084, now seen corresponding path program 6 times [2025-04-24 19:27:45,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:45,085 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425921653] [2025-04-24 19:27:45,085 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:27:45,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:45,102 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 127 statements into 6 equivalence classes. [2025-04-24 19:27:45,154 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 127 of 127 statements. [2025-04-24 19:27:45,154 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-24 19:27:45,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:46,871 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:46,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:46,872 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425921653] [2025-04-24 19:27:46,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425921653] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:46,872 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585143285] [2025-04-24 19:27:46,872 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:27:46,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:46,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:46,873 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:27:46,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-24 19:27:46,961 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 127 statements into 6 equivalence classes. [2025-04-24 19:27:49,006 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 127 of 127 statements. [2025-04-24 19:27:49,006 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-24 19:27:49,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:49,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 90 conjuncts are in the unsatisfiable core [2025-04-24 19:27:49,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:49,100 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:49,100 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-24 19:27:49,127 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:49,229 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:49,306 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:49,306 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:49,356 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:49,356 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:49,523 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:49,523 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:49,555 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:49,556 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:49,686 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:49,686 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:49,728 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:49,728 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:49,888 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:49,889 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:49,924 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:49,924 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:50,055 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:50,056 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:50,092 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:50,093 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:50,209 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:50,209 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:51,320 WARN L849 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_61| Int) (v_ArrVal_950 (Array Int Int))) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_61|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_950) |c_~#cache~0.base|) (+ 140 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2025-04-24 19:27:51,376 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_950 (Array Int Int))) (= 0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_950) |c_~#cache~0.base|) (+ 140 |c_~#cache~0.offset|)))) is different from false [2025-04-24 19:27:51,447 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:51,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585143285] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:51,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:51,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18, 19] total 55 [2025-04-24 19:27:51,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559610176] [2025-04-24 19:27:51,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:51,447 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-04-24 19:27:51,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:51,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-04-24 19:27:51,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=2615, Unknown=34, NotChecked=210, Total=3080 [2025-04-24 19:27:51,450 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:51,450 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:51,451 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 6.160714285714286) internal successors, (345), 55 states have internal predecessors, (345), 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) [2025-04-24 19:27:51,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:51,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:51,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:51,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:51,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:51,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:51,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:51,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:51,451 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:52,713 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:52,713 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:52,713 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:52,713 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:52,713 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:52,713 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:52,713 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:52,713 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:52,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:27:52,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-04-24 19:27:52,914 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:52,914 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:52,914 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:52,915 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #7 [2025-04-24 19:27:52,915 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:52,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 19:27:52,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:52,915 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:52,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:52,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:52,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:52,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:52,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:52,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:52,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:52,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:52,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:52,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:52,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:27:52,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:27:52,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:27:52,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:27:52,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:27:52,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:27:52,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:27:52,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:27:52,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:27:52,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 19:27:52,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-24 19:27:52,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 19:27:52,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-24 19:27:52,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-24 19:27:52,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 19:27:52,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-24 19:27:52,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-24 19:27:52,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-24 19:27:52,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-24 19:27:52,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-24 19:27:52,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:52,916 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:52,916 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:52,917 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:52,917 INFO L85 PathProgramCache]: Analyzing trace with hash -2050745399, now seen corresponding path program 7 times [2025-04-24 19:27:52,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:52,917 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113814883] [2025-04-24 19:27:52,917 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:27:52,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:52,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-04-24 19:27:52,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-04-24 19:27:52,957 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:52,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:54,464 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:54,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:54,464 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113814883] [2025-04-24 19:27:54,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113814883] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:54,464 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917108724] [2025-04-24 19:27:54,464 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:27:54,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:54,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:54,466 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:27:54,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-24 19:27:54,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-04-24 19:27:54,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-04-24 19:27:54,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:54,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:54,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 102 conjuncts are in the unsatisfiable core [2025-04-24 19:27:54,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:54,699 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:54,700 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-24 19:27:54,726 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:54,829 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:54,909 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:54,909 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:54,951 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:54,952 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:55,088 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:55,088 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:55,124 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:55,125 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:55,282 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:55,282 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:55,325 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:55,326 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:55,456 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:55,456 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:55,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:55,503 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:55,662 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:55,662 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:55,699 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:55,700 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:55,823 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:55,824 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:55,856 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:55,857 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:55,981 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:55,981 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:57,485 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1224 (Array Int Int)) (v_ArrVal_1227 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1224))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1227))) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 168 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:57,715 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:57,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917108724] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:57,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:57,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 55 [2025-04-24 19:27:57,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766377251] [2025-04-24 19:27:57,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:57,716 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-04-24 19:27:57,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:57,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-04-24 19:27:57,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=2731, Unknown=22, NotChecked=106, Total=3080 [2025-04-24 19:27:57,717 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:57,717 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:57,718 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 7.196428571428571) internal successors, (403), 55 states have internal predecessors, (403), 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) [2025-04-24 19:27:57,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:57,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:57,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:57,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:57,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:57,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:57,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:57,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:57,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:27:57,718 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:58,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:58,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:58,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:58,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:58,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:58,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:58,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:58,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:58,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:27:58,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:27:58,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-24 19:27:59,038 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-04-24 19:27:59,038 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:59,038 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:59,038 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #8 [2025-04-24 19:27:59,038 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:59,039 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 19:27:59,039 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,039 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:59,039 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:59,039 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:59,039 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,039 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:59,039 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,039 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:59,039 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,039 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:59,039 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,042 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:59,042 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,042 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:59,042 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,042 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,043 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-24 19:27:59,043 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,044 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-24 19:27:59,044 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:59,044 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:59,044 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:59,044 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:59,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1303654182, now seen corresponding path program 8 times [2025-04-24 19:27:59,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:59,044 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051564682] [2025-04-24 19:27:59,044 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:27:59,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:59,063 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 167 statements into 2 equivalence classes. [2025-04-24 19:27:59,081 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 167 of 167 statements. [2025-04-24 19:27:59,081 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:27:59,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:28:00,885 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:28:00,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:28:00,886 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051564682] [2025-04-24 19:28:00,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051564682] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:28:00,886 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263825798] [2025-04-24 19:28:00,886 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:28:00,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:28:00,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:28:00,889 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:28:00,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-24 19:28:01,000 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 167 statements into 2 equivalence classes. [2025-04-24 19:28:01,072 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 167 of 167 statements. [2025-04-24 19:28:01,072 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:28:01,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:28:01,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 114 conjuncts are in the unsatisfiable core [2025-04-24 19:28:01,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:28:01,138 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:28:01,138 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-24 19:28:01,165 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:28:01,282 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:28:01,363 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:01,364 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:01,401 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:01,402 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:01,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:01,569 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:01,602 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:01,603 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:01,726 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:01,727 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:01,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:01,768 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:01,952 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:01,953 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:01,986 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:01,987 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:02,116 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:02,117 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:02,149 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:02,149 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:02,338 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:02,339 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:02,373 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:02,375 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:02,534 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:02,534 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:02,579 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:02,579 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:02,691 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:28:02,691 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:28:03,712 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1534 (Array Int Int)) (v_ArrVal_1538 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1534))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1538))) |c_~#cache~0.base|) (+ 196 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:28:03,991 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:28:03,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263825798] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:28:03,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:28:03,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 23] total 62 [2025-04-24 19:28:03,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122401772] [2025-04-24 19:28:03,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:28:03,992 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-04-24 19:28:03,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:28:03,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-04-24 19:28:03,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=3485, Unknown=48, NotChecked=120, Total=3906 [2025-04-24 19:28:03,994 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:28:03,994 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:28:03,994 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 7.349206349206349) internal successors, (463), 62 states have internal predecessors, (463), 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) [2025-04-24 19:28:03,994 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:28:03,994 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:28:03,994 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:28:03,994 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:28:03,994 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:28:03,994 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:28:03,994 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:28:03,994 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:28:03,994 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:28:03,994 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:28:03,994 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:28:05,177 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:28:05,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:28:05,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:28:05,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:28:05,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:28:05,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:28:05,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:28:05,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:28:05,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:28:05,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:28:05,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:28:05,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-24 19:28:05,378 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-04-24 19:28:05,379 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:28:05,379 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:28:05,379 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #9 [2025-04-24 19:28:05,379 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:28:05,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 19:28:05,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:28:05,379 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:28:05,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:28:05,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:28:05,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:28:05,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:28:05,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:28:05,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:28:05,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:28:05,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:28:05,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:28:05,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-24 19:28:05,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-24 19:28:05,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-24 19:28:05,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-24 19:28:05,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-24 19:28:05,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-04-24 19:28:05,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-24 19:28:05,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-04-24 19:28:05,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-04-24 19:28:05,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-04-24 19:28:05,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:05,382 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:28:05,382 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:28:05,382 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:28:05,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1418857981, now seen corresponding path program 9 times [2025-04-24 19:28:05,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:28:05,383 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023404962] [2025-04-24 19:28:05,383 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:28:05,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:28:05,402 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 187 statements into 9 equivalence classes. [2025-04-24 19:28:05,452 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 187 of 187 statements. [2025-04-24 19:28:05,453 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-24 19:28:05,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:28:07,863 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:28:07,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:28:07,863 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023404962] [2025-04-24 19:28:07,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023404962] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:28:07,864 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993956793] [2025-04-24 19:28:07,864 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:28:07,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:28:07,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:28:07,865 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:28:07,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-24 19:28:07,984 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 187 statements into 9 equivalence classes. [2025-04-24 19:28:39,954 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 187 of 187 statements. [2025-04-24 19:28:39,954 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-24 19:28:39,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:28:39,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 132 conjuncts are in the unsatisfiable core [2025-04-24 19:28:39,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:28:40,086 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:28:40,087 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-24 19:28:40,119 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2025-04-24 19:28:40,244 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2025-04-24 19:28:40,340 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:40,341 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:40,342 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:40,398 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:40,399 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:40,400 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:40,587 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:40,588 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:40,588 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:40,643 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:40,644 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:40,644 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:40,836 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:40,838 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:40,839 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:40,896 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:40,897 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:40,897 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:41,092 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:41,093 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:41,094 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:41,150 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:41,151 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:41,151 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:41,337 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:41,338 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:41,338 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:41,382 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:41,382 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:41,383 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:41,561 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:41,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:41,562 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:41,607 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:41,608 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:41,608 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:41,771 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2025-04-24 19:28:41,844 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2025-04-24 19:28:42,024 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:42,025 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:42,070 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:42,070 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:42,204 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:28:42,204 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:28:43,899 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1880 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1880) |c_~#cache~0.base|) (+ 224 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:28:44,042 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:28:44,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993956793] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:28:44,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:28:44,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26, 25] total 74 [2025-04-24 19:28:44,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675925447] [2025-04-24 19:28:44,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:28:44,043 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2025-04-24 19:28:44,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:28:44,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2025-04-24 19:28:44,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=5025, Unknown=69, NotChecked=144, Total=5550 [2025-04-24 19:28:44,045 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:28:44,045 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:28:44,045 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 7.0) internal successors, (525), 74 states have internal predecessors, (525), 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) [2025-04-24 19:28:44,045 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:28:44,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:28:44,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:28:44,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:28:44,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:28:44,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:28:44,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:28:44,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:28:44,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:28:44,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:28:44,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:28:44,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:28:46,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:28:46,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:28:46,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:28:46,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:28:46,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:28:46,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:28:46,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:28:46,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:28:46,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:28:46,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:28:46,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:28:46,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:28:46,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-04-24 19:28:46,235 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:28:46,235 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:28:46,235 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:28:46,235 INFO L139 ounterexampleChecker]: Examining path program with hash 1607340975, occurence #10 [2025-04-24 19:28:46,235 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:28:46,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 19:28:46,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:28:46,235 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:28:46,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:28:46,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:28:46,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:28:46,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:28:46,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:28:46,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:28:46,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:28:46,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:28:46,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:28:46,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-04-24 19:28:46,236 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,236 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-24 19:28:46,237 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,237 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-04-24 19:28:46,237 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,237 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-04-24 19:28:46,237 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,237 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-04-24 19:28:46,237 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,237 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2025-04-24 19:28:46,237 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,237 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2025-04-24 19:28:46,237 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,237 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2025-04-24 19:28:46,237 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,237 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2025-04-24 19:28:46,237 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,237 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-04-24 19:28:46,237 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:46,237 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:28:46,237 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:28:46,237 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:28:46,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1128356768, now seen corresponding path program 10 times [2025-04-24 19:28:46,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:28:46,237 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897697264] [2025-04-24 19:28:46,237 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:28:46,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:28:46,255 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 207 statements into 2 equivalence classes. [2025-04-24 19:28:46,365 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 207 of 207 statements. [2025-04-24 19:28:46,365 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 19:28:46,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:28:48,859 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:28:48,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:28:48,859 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897697264] [2025-04-24 19:28:48,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897697264] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:28:48,859 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869461536] [2025-04-24 19:28:48,859 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:28:48,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:28:48,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:28:48,861 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:28:48,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-24 19:28:48,994 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 207 statements into 2 equivalence classes.