./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.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_70-funloop_racefree.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 2a10f98c1a89e2ac521234c9e4f0eca565cc5bc1484e9c7d67d861e216c6f9ba --- Real Ultimate output --- This is Ultimate 0.3.0-?-44c38e6-m [2025-04-24 19:26:57,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 19:26:57,714 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 19:26:57,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 19:26:57,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 19:26:57,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 19:26:57,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 19:26:57,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 19:26:57,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 19:26:57,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 19:26:57,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 19:26:57,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 19:26:57,743 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 19:26:57,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 19:26:57,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 19:26:57,744 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 19:26:57,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 19:26:57,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 19:26:57,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 19:26:57,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 19:26:57,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 19:26:57,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 19:26:57,744 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 19:26:57,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 19:26:57,744 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 19:26:57,744 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 19:26:57,744 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 19:26:57,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 19:26:57,745 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 19:26:57,745 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 19:26:57,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:26:57,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 19:26:57,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 19:26:57,745 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 19:26:57,745 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 19:26:57,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:26:57,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 19:26:57,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 19:26:57,746 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 19:26:57,746 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 19:26:57,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 19:26:57,746 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 19:26:57,746 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 19:26:57,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 19:26:57,747 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 19:26:57,747 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 19:26:57,747 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 19:26:57,747 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 -> 2a10f98c1a89e2ac521234c9e4f0eca565cc5bc1484e9c7d67d861e216c6f9ba [2025-04-24 19:26:57,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 19:26:57,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 19:26:57,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 19:26:57,964 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 19:26:57,964 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 19:26:57,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i [2025-04-24 19:26:59,255 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/56dab71e9/cb3ffae7948343059627b93825eb8471/FLAGbe2829a6b [2025-04-24 19:26:59,505 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 19:26:59,506 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_70-funloop_racefree.i [2025-04-24 19:26:59,517 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/56dab71e9/cb3ffae7948343059627b93825eb8471/FLAGbe2829a6b [2025-04-24 19:27:00,408 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/56dab71e9/cb3ffae7948343059627b93825eb8471 [2025-04-24 19:27:00,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 19:27:00,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 19:27:00,411 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 19:27:00,411 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 19:27:00,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 19:27:00,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 07:27:00" (1/1) ... [2025-04-24 19:27:00,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a0eff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:00, skipping insertion in model container [2025-04-24 19:27:00,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 07:27:00" (1/1) ... [2025-04-24 19:27:00,441 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 19:27:00,808 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_70-funloop_racefree.i[41323,41336] [2025-04-24 19:27:00,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 19:27:00,866 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 19:27:00,914 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_70-funloop_racefree.i[41323,41336] [2025-04-24 19:27:00,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 19:27:00,967 INFO L204 MainTranslator]: Completed translation [2025-04-24 19:27:00,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:00 WrapperNode [2025-04-24 19:27:00,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 19:27:00,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 19:27:00,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 19:27:00,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 19:27:00,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:00" (1/1) ... [2025-04-24 19:27:00,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:00" (1/1) ... [2025-04-24 19:27:01,026 INFO L138 Inliner]: procedures = 272, calls = 95, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 252 [2025-04-24 19:27:01,033 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 19:27:01,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 19:27:01,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 19:27:01,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 19:27:01,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:00" (1/1) ... [2025-04-24 19:27:01,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:00" (1/1) ... [2025-04-24 19:27:01,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:00" (1/1) ... [2025-04-24 19:27:01,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:00" (1/1) ... [2025-04-24 19:27:01,062 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:00" (1/1) ... [2025-04-24 19:27:01,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:00" (1/1) ... [2025-04-24 19:27:01,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:00" (1/1) ... [2025-04-24 19:27:01,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:00" (1/1) ... [2025-04-24 19:27:01,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:00" (1/1) ... [2025-04-24 19:27:01,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 19:27:01,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 19:27:01,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 19:27:01,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 19:27:01,096 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:00" (1/1) ... [2025-04-24 19:27:01,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:27:01,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:01,126 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 19:27:01,133 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 19:27:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-24 19:27:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-24 19:27:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-24 19:27:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-24 19:27:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-24 19:27:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-24 19:27:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 19:27:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-24 19:27:01,152 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-24 19:27:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 19:27:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 19:27:01,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 19:27:01,154 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 19:27:01,265 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 19:27:01,266 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 19:27:01,542 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 19:27:01,543 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 19:27:01,910 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 19:27:01,914 INFO L312 CfgBuilder]: Removed 10 assume(true) statements. [2025-04-24 19:27:01,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 07:27:01 BoogieIcfgContainer [2025-04-24 19:27:01,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 19:27:01,916 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 19:27:01,916 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 19:27:01,919 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 19:27:01,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 07:27:00" (1/3) ... [2025-04-24 19:27:01,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a34387c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 07:27:01, skipping insertion in model container [2025-04-24 19:27:01,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:00" (2/3) ... [2025-04-24 19:27:01,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a34387c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 07:27:01, skipping insertion in model container [2025-04-24 19:27:01,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 07:27:01" (3/3) ... [2025-04-24 19:27:01,922 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_70-funloop_racefree.i [2025-04-24 19:27:01,932 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 19:27:01,934 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_70-funloop_racefree.i that has 2 procedures, 69 locations, 96 edges, 1 initial locations, 15 loop locations, and 2 error locations. [2025-04-24 19:27:01,934 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 19:27:01,970 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-24 19:27:01,999 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:27:01,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 19:27:02,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:02,001 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 19:27:02,004 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 19:27:02,074 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 19:27:02,086 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2025-04-24 19:27:02,091 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;@7fd298bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:27:02,093 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-24 19:27:02,351 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:02,351 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:02,352 INFO L139 ounterexampleChecker]: Examining path program with hash -795832152, occurence #1 [2025-04-24 19:27:02,352 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:27:02,352 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:02,356 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:02,356 INFO L85 PathProgramCache]: Analyzing trace with hash 928527926, now seen corresponding path program 1 times [2025-04-24 19:27:02,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:02,362 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261311103] [2025-04-24 19:27:02,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:27:02,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:02,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-24 19:27:02,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-24 19:27:02,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:02,450 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:02,606 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 19:27:02,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:02,607 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261311103] [2025-04-24 19:27:02,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261311103] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:27:02,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:27:02,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-24 19:27:02,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387572111] [2025-04-24 19:27:02,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:27:02,611 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:27:02,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:02,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 19:27:02,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 19:27:02,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:02,626 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:02,628 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 19:27:02,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:02,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:02,693 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 19:27:02,694 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:02,694 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:02,694 INFO L139 ounterexampleChecker]: Examining path program with hash -795832152, occurence #2 [2025-04-24 19:27:02,694 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:02,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:02,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:02,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 19:27:02,694 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:02,695 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:02,695 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:02,695 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:02,695 INFO L85 PathProgramCache]: Analyzing trace with hash 14812504, now seen corresponding path program 1 times [2025-04-24 19:27:02,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:02,695 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686228649] [2025-04-24 19:27:02,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:27:02,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:02,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-24 19:27:02,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-24 19:27:02,734 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:02,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:02,810 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 19:27:02,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:02,810 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686228649] [2025-04-24 19:27:02,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686228649] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:02,811 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647356291] [2025-04-24 19:27:02,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:27:02,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:02,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:02,814 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 19:27:02,815 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 19:27:02,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-24 19:27:02,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-24 19:27:02,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:02,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:02,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-24 19:27:02,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:02,919 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 19:27:02,919 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:02,937 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 19:27:02,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647356291] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:02,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:02,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-04-24 19:27:02,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441174903] [2025-04-24 19:27:02,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:02,939 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-24 19:27:02,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:02,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-24 19:27:02,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-24 19:27:02,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:02,941 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:02,941 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 19:27:02,941 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:02,941 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:03,016 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:03,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:03,024 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 19:27:03,221 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 19:27:03,221 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:03,221 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:03,222 INFO L139 ounterexampleChecker]: Examining path program with hash -795832152, occurence #3 [2025-04-24 19:27:03,222 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:03,222 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:03,222 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:03,222 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 19:27:03,223 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:03,223 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:03,223 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:03,224 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:03,224 INFO L85 PathProgramCache]: Analyzing trace with hash 853798582, now seen corresponding path program 2 times [2025-04-24 19:27:03,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:03,224 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093068652] [2025-04-24 19:27:03,224 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:27:03,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:03,236 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-04-24 19:27:03,256 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 21 statements. [2025-04-24 19:27:03,256 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-24 19:27:03,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:03,617 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 19:27:03,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:03,618 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093068652] [2025-04-24 19:27:03,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093068652] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:27:03,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:27:03,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-24 19:27:03,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415284251] [2025-04-24 19:27:03,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:27:03,619 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-24 19:27:03,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:03,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-24 19:27:03,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-04-24 19:27:03,621 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:03,621 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:03,621 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 19:27:03,621 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:03,621 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:03,621 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:03,800 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:03,801 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:03,801 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:03,801 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-24 19:27:03,801 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:03,801 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:03,801 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #1 [2025-04-24 19:27:03,802 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:27:03,802 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:03,802 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:03,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1576872750, now seen corresponding path program 1 times [2025-04-24 19:27:03,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:03,803 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173621521] [2025-04-24 19:27:03,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:27:03,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:03,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-24 19:27:03,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-24 19:27:03,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:03,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:03,922 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 19:27:03,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:03,923 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173621521] [2025-04-24 19:27:03,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173621521] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:03,923 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044688998] [2025-04-24 19:27:03,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:27:03,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:03,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:03,929 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 19:27:03,930 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 19:27:03,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-24 19:27:04,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-24 19:27:04,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:04,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:04,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-24 19:27:04,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:04,047 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 19:27:04,048 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:04,099 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 19:27:04,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044688998] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:04,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:04,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-04-24 19:27:04,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079173562] [2025-04-24 19:27:04,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:04,100 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-24 19:27:04,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:04,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-24 19:27:04,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-04-24 19:27:04,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:04,101 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:04,101 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 19:27:04,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:04,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:04,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:04,101 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:04,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:04,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:04,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:04,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:04,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-24 19:27:04,432 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 19:27:04,432 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:04,432 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:04,432 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #2 [2025-04-24 19:27:04,432 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:04,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:04,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:04,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:04,433 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:04,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:04,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:04,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:04,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:04,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:04,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:04,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:04,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:04,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:04,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:04,433 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:04,433 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:04,433 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:04,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1229066642, now seen corresponding path program 2 times [2025-04-24 19:27:04,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:04,434 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109877836] [2025-04-24 19:27:04,434 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:27:04,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:04,446 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-04-24 19:27:04,475 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 47 of 47 statements. [2025-04-24 19:27:04,479 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:27:04,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:05,174 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 19:27:05,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:05,174 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109877836] [2025-04-24 19:27:05,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109877836] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:05,174 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029584662] [2025-04-24 19:27:05,174 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:27:05,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:05,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:05,176 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 19:27:05,178 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 19:27:05,237 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-04-24 19:27:05,282 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 47 of 47 statements. [2025-04-24 19:27:05,282 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:27:05,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:05,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-04-24 19:27:05,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:05,396 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:05,396 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 19:27:05,425 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 19:27:05,544 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 19:27:05,628 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:05,631 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 19:27:05,693 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:05,695 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 25 treesize of output 20 [2025-04-24 19:27:05,836 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 19:27:05,836 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:07,043 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 19:27:07,086 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 19:27:07,199 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 19:27:07,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029584662] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:07,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:07,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 12] total 27 [2025-04-24 19:27:07,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694574982] [2025-04-24 19:27:07,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:07,200 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-04-24 19:27:07,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:07,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-04-24 19:27:07,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=532, Unknown=18, NotChecked=98, Total=756 [2025-04-24 19:27:07,200 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:07,201 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:07,201 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.6785714285714284) internal successors, (103), 27 states have internal predecessors, (103), 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 19:27:07,201 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:07,201 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:07,201 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:07,201 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:07,201 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:07,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:07,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:07,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:07,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:07,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:07,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-24 19:27:07,754 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 19:27:07,755 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:07,755 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:07,755 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #3 [2025-04-24 19:27:07,755 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:07,755 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:07,755 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:07,755 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:07,755 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:07,755 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:07,755 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:07,755 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:07,756 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:07,756 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:07,756 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:07,756 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:07,756 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:07,756 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:07,756 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:07,756 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:07,756 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:07,756 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:07,756 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:07,756 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:07,756 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:07,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:07,757 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:07,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:07,757 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:07,757 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:07,757 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:07,757 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:07,757 INFO L85 PathProgramCache]: Analyzing trace with hash 24048046, now seen corresponding path program 3 times [2025-04-24 19:27:07,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:07,757 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305900917] [2025-04-24 19:27:07,758 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:27:07,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:07,775 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 6 equivalence classes. [2025-04-24 19:27:07,806 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 61 of 67 statements. [2025-04-24 19:27:07,807 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 19:27:07,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:08,648 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 19:27:08,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:08,648 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305900917] [2025-04-24 19:27:08,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305900917] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:08,649 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393138937] [2025-04-24 19:27:08,649 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:27:08,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:08,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:08,651 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 19:27:08,652 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 19:27:08,715 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 6 equivalence classes. [2025-04-24 19:27:08,778 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 61 of 67 statements. [2025-04-24 19:27:08,779 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 19:27:08,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:08,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-04-24 19:27:08,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:08,860 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:08,860 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 19:27:08,885 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 19:27:09,007 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 19:27:09,092 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:09,092 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 19:27:09,160 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:09,162 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 25 treesize of output 20 [2025-04-24 19:27:09,368 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:09,368 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 19:27:09,421 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:09,422 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 25 treesize of output 20 [2025-04-24 19:27:09,537 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 19:27:09,537 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:11,122 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 19:27:11,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393138937] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:11,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:11,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 15] total 35 [2025-04-24 19:27:11,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872291767] [2025-04-24 19:27:11,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:11,123 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-04-24 19:27:11,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:11,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-04-24 19:27:11,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1071, Unknown=36, NotChecked=0, Total=1260 [2025-04-24 19:27:11,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:11,124 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:11,124 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.694444444444445) internal successors, (169), 35 states have internal predecessors, (169), 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 19:27:11,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:11,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:11,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:11,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:11,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:11,124 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:11,538 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:11,538 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:11,539 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:11,539 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:11,539 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:11,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:27:11,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-24 19:27:11,740 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 19:27:11,741 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:11,741 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:11,741 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #4 [2025-04-24 19:27:11,741 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:11,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:11,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:11,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:11,741 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:11,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:11,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:11,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:11,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:11,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:11,741 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:11,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:11,742 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:11,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:11,742 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:11,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:11,742 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:11,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:11,742 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:11,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:11,742 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:11,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:11,742 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:11,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:11,742 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:11,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:27:11,742 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:11,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:27:11,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:11,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:27:11,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:11,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:27:11,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:11,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:27:11,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:11,743 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:11,743 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:11,743 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:11,743 INFO L85 PathProgramCache]: Analyzing trace with hash 589736906, now seen corresponding path program 4 times [2025-04-24 19:27:11,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:11,743 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781756054] [2025-04-24 19:27:11,743 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:27:11,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:11,757 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 87 statements into 2 equivalence classes. [2025-04-24 19:27:11,805 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 19:27:11,805 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 19:27:11,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:13,241 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 19:27:13,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:13,241 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781756054] [2025-04-24 19:27:13,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781756054] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:13,241 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622118628] [2025-04-24 19:27:13,241 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:27:13,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:13,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:13,243 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 19:27:13,245 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 19:27:13,321 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 87 statements into 2 equivalence classes. [2025-04-24 19:27:13,465 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 19:27:13,465 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 19:27:13,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:13,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 66 conjuncts are in the unsatisfiable core [2025-04-24 19:27:13,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:13,575 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:13,575 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 19:27:13,600 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 19:27:13,701 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 19:27:13,772 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:13,773 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 19:27:13,818 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:13,819 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 25 treesize of output 20 [2025-04-24 19:27:14,001 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:14,002 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 19:27:14,041 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:14,042 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 25 treesize of output 20 [2025-04-24 19:27:14,174 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:14,175 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 19:27:14,216 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:14,217 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 25 treesize of output 20 [2025-04-24 19:27:14,330 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 19:27:14,331 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:14,846 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_507 (Array Int Int)) (v_ArrVal_509 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_507))) (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_509 (- 1))))) |c_~#cache~0.base|) (+ 84 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:14,862 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_507 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39| 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_507) |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 19:27:14,867 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_507 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_507) |c_~#cache~0.base|) (+ 84 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:14,998 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 19:27:14,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622118628] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:14,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:14,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 18] total 46 [2025-04-24 19:27:14,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913920406] [2025-04-24 19:27:14,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:14,999 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-04-24 19:27:14,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:15,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-04-24 19:27:15,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1716, Unknown=6, NotChecked=258, Total=2162 [2025-04-24 19:27:15,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:15,003 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:15,003 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 4.787234042553192) internal successors, (225), 46 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 19:27:15,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:15,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:15,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:15,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:15,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:15,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:27:15,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:15,832 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:15,832 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:15,832 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:15,832 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:15,832 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:15,832 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:27:15,832 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:27:15,840 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 19:27:16,033 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 19:27:16,033 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:16,034 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:16,034 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #5 [2025-04-24 19:27:16,034 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:16,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:16,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:16,034 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:16,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:16,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:16,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:16,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:16,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:16,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:16,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:16,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:16,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:16,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:16,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:27:16,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:27:16,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:27:16,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,034 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:27:16,034 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:27:16,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:27:16,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:27:16,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:27:16,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:27:16,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 19:27:16,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:16,035 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:16,035 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:16,035 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:16,035 INFO L85 PathProgramCache]: Analyzing trace with hash -965197850, now seen corresponding path program 5 times [2025-04-24 19:27:16,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:16,035 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002107799] [2025-04-24 19:27:16,035 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:27:16,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:16,053 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 6 equivalence classes. [2025-04-24 19:27:16,102 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 107 of 107 statements. [2025-04-24 19:27:16,103 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-24 19:27:16,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:17,257 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 19:27:17,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:17,257 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002107799] [2025-04-24 19:27:17,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002107799] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:17,257 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008699949] [2025-04-24 19:27:17,257 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:27:17,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:17,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:17,259 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 19:27:17,260 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 19:27:17,337 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 6 equivalence classes. [2025-04-24 19:27:20,235 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 107 of 107 statements. [2025-04-24 19:27:20,235 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-24 19:27:20,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:20,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 75 conjuncts are in the unsatisfiable core [2025-04-24 19:27:20,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:20,328 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:20,328 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 19:27:20,355 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 19:27:20,453 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 19:27:20,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:20,526 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 19:27:20,560 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:20,561 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 25 treesize of output 20 [2025-04-24 19:27:20,724 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:20,725 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 19:27:20,773 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:20,773 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 25 treesize of output 20 [2025-04-24 19:27:20,927 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:20,927 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 19:27:20,965 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:20,966 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 25 treesize of output 20 [2025-04-24 19:27:21,108 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:21,109 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 19:27:21,146 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:21,147 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 25 treesize of output 20 [2025-04-24 19:27:21,264 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 19:27:21,264 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:21,935 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_706 (Array Int Int)) (v_ArrVal_707 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_706))) (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_707 (- 1))))) |c_~#cache~0.base|) (+ 112 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:22,018 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_706 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_706) |c_~#cache~0.base|) (+ 112 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:22,160 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 19:27:22,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008699949] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:22,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:22,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 21] total 51 [2025-04-24 19:27:22,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869420393] [2025-04-24 19:27:22,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:22,161 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2025-04-24 19:27:22,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:22,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2025-04-24 19:27:22,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=2233, Unknown=30, NotChecked=194, Total=2652 [2025-04-24 19:27:22,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:22,164 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:22,165 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.5) internal successors, (286), 51 states have internal predecessors, (286), 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 19:27:22,165 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:22,165 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:22,165 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:22,165 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:22,165 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:22,165 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:27:22,166 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:27:22,166 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:23,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:23,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:23,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:23,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:23,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:23,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:27:23,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:27:23,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:23,240 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 19:27:23,431 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 19:27:23,431 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:23,431 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:23,431 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #6 [2025-04-24 19:27:23,431 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:23,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:23,431 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:23,432 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:23,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:23,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:23,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:23,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:23,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:23,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:23,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:23,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:23,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:23,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:27:23,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:27:23,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:27:23,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:27:23,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:27:23,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:27:23,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:27:23,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:27:23,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:27:23,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 19:27:23,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-24 19:27:23,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 19:27:23,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-24 19:27:23,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-24 19:27:23,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 19:27:23,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,433 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:23,433 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:23,433 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:23,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1710403074, now seen corresponding path program 6 times [2025-04-24 19:27:23,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:23,433 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982202637] [2025-04-24 19:27:23,433 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:27:23,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:23,452 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 127 statements into 6 equivalence classes. [2025-04-24 19:27:23,515 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 127 of 127 statements. [2025-04-24 19:27:23,515 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-24 19:27:23,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:25,291 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 19:27:25,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:25,291 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982202637] [2025-04-24 19:27:25,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982202637] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:25,291 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812291585] [2025-04-24 19:27:25,291 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:27:25,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:25,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:25,293 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 19:27:25,294 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 19:27:25,381 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 127 statements into 6 equivalence classes. [2025-04-24 19:27:27,246 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 127 of 127 statements. [2025-04-24 19:27:27,247 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-24 19:27:27,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:27,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 90 conjuncts are in the unsatisfiable core [2025-04-24 19:27:27,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:27,358 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:27,358 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 19:27:27,395 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 19:27:27,517 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 19:27:27,601 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:27,602 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 19:27:27,648 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:27,649 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 25 treesize of output 20 [2025-04-24 19:27:27,868 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:27,869 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 19:27:27,925 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:27,926 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 25 treesize of output 20 [2025-04-24 19:27:28,129 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:28,130 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 19:27:28,188 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:28,189 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 25 treesize of output 20 [2025-04-24 19:27:28,375 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:28,375 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 19:27:28,430 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:28,431 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 25 treesize of output 20 [2025-04-24 19:27:28,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:28,598 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 19:27:28,656 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:28,656 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 25 treesize of output 20 [2025-04-24 19:27:28,800 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 19:27:28,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:29,817 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_940 (Array Int Int)) (v_ArrVal_941 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_940))) (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_941 (- 1))))) |c_~#cache~0.base|) (+ 140 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:29,832 WARN L849 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_61| Int) (v_ArrVal_940 (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_940) |c_~#cache~0.base|) (+ 140 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_61|)))) is different from false [2025-04-24 19:27:30,060 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 19:27:30,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812291585] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:30,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:30,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 18, 24] total 61 [2025-04-24 19:27:30,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011263249] [2025-04-24 19:27:30,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:30,061 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2025-04-24 19:27:30,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:30,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2025-04-24 19:27:30,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=3265, Unknown=23, NotChecked=234, Total=3782 [2025-04-24 19:27:30,064 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:30,064 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:30,064 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 5.564516129032258) internal successors, (345), 61 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 19:27:30,064 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:30,064 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:30,064 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:30,064 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:30,064 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:30,064 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:27:30,064 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:27:30,064 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:30,064 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:31,613 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:31,613 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:31,613 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:31,613 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:31,613 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:31,613 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:27:31,613 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:27:31,613 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:31,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:27:31,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-24 19:27:31,814 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 19:27:31,814 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:31,814 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:31,814 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #7 [2025-04-24 19:27:31,815 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:31,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:31,815 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:31,815 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:31,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:31,815 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:31,815 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:31,815 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:31,815 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:31,815 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:31,815 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:31,815 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:31,815 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:31,815 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:31,815 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:27:31,815 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:27:31,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:27:31,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:27:31,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:27:31,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:27:31,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:27:31,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:27:31,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:27:31,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 19:27:31,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-24 19:27:31,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 19:27:31,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-24 19:27:31,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-24 19:27:31,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 19:27:31,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-24 19:27:31,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-24 19:27:31,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-24 19:27:31,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-24 19:27:31,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-24 19:27:31,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:31,817 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:31,817 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:31,817 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:31,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1633356258, now seen corresponding path program 7 times [2025-04-24 19:27:31,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:31,817 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17802327] [2025-04-24 19:27:31,817 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:27:31,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:31,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-04-24 19:27:31,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-04-24 19:27:31,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:31,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:33,423 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 19:27:33,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:33,423 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17802327] [2025-04-24 19:27:33,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17802327] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:33,423 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471532798] [2025-04-24 19:27:33,423 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:27:33,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:33,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:33,425 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 19:27:33,426 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 19:27:33,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-04-24 19:27:33,586 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-04-24 19:27:33,586 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:33,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:33,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 102 conjuncts are in the unsatisfiable core [2025-04-24 19:27:33,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:33,656 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:33,657 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 19:27:33,682 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 19:27:33,789 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 19:27:33,869 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:33,870 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 19:27:33,917 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:33,918 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 25 treesize of output 20 [2025-04-24 19:27:34,087 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:34,087 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 19:27:34,138 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:34,138 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 25 treesize of output 20 [2025-04-24 19:27:34,279 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:34,280 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 19:27:34,323 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:34,324 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 25 treesize of output 20 [2025-04-24 19:27:34,475 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:34,476 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 19:27:34,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:34,519 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 25 treesize of output 20 [2025-04-24 19:27:34,682 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:34,683 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 19:27:34,720 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:34,721 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 25 treesize of output 20 [2025-04-24 19:27:34,857 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:34,857 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 19:27:34,892 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:34,892 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 25 treesize of output 20 [2025-04-24 19:27:35,021 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 19:27:35,021 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:36,131 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1210 Int) (v_ArrVal_1209 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1209))) (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| (+ (- 1) v_ArrVal_1210)))) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 168 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:36,238 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1209 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1209) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 168 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:36,241 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1209 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1209) |c_~#cache~0.base|) (+ 168 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:36,329 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 19:27:36,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471532798] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:36,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:36,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 27] total 62 [2025-04-24 19:27:36,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743997433] [2025-04-24 19:27:36,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:36,330 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-04-24 19:27:36,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:36,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-04-24 19:27:36,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=3287, Unknown=16, NotChecked=354, Total=3906 [2025-04-24 19:27:36,332 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:36,332 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:36,332 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 6.396825396825397) internal successors, (403), 62 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 19:27:36,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:36,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:36,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:36,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:36,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:36,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:27:36,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:27:36,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:36,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:27:36,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:37,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:37,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:37,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:37,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:37,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:37,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:27:37,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:27:37,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:37,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:27:37,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:27:37,880 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 19:27:38,073 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 19:27:38,073 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:38,073 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:38,074 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #8 [2025-04-24 19:27:38,074 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:38,074 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:27:38,074 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,074 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 19:27:38,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-24 19:27:38,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 19:27:38,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-24 19:27:38,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-24 19:27:38,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 19:27:38,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-24 19:27:38,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-24 19:27:38,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-24 19:27:38,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-24 19:27:38,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-24 19:27:38,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-24 19:27:38,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-24 19:27:38,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-24 19:27:38,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-24 19:27:38,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-24 19:27:38,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:38,075 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:38,075 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:38,075 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:38,076 INFO L85 PathProgramCache]: Analyzing trace with hash -266463174, now seen corresponding path program 8 times [2025-04-24 19:27:38,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:38,076 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645584902] [2025-04-24 19:27:38,076 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:27:38,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:38,093 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 167 statements into 2 equivalence classes. [2025-04-24 19:27:38,118 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 167 of 167 statements. [2025-04-24 19:27:38,118 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:27:38,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:39,892 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 19:27:39,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:39,893 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645584902] [2025-04-24 19:27:39,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645584902] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:39,893 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008971110] [2025-04-24 19:27:39,893 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:27:39,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:39,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:39,894 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 19:27:39,895 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 19:27:40,003 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 167 statements into 2 equivalence classes. [2025-04-24 19:27:40,078 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 167 of 167 statements. [2025-04-24 19:27:40,078 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:27:40,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:40,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 111 conjuncts are in the unsatisfiable core [2025-04-24 19:27:40,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:40,137 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:40,137 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 19:27:40,162 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 19:27:40,286 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 19:27:40,373 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:40,373 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 19:27:40,418 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:40,419 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 25 treesize of output 20 [2025-04-24 19:27:40,563 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:40,563 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 19:27:40,611 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:40,612 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 25 treesize of output 20 [2025-04-24 19:27:40,739 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:40,740 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 19:27:40,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:40,780 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 25 treesize of output 20 [2025-04-24 19:27:40,906 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:40,907 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 19:27:40,942 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:40,942 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 25 treesize of output 20 [2025-04-24 19:27:41,076 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:41,077 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 19:27:41,117 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:41,117 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 25 treesize of output 20 [2025-04-24 19:27:41,265 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:41,266 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 19:27:41,303 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:41,304 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 25 treesize of output 20 [2025-04-24 19:27:41,441 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:41,442 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 19:27:41,494 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:41,494 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 25 treesize of output 20 [2025-04-24 19:27:41,622 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 19:27:41,622 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:43,077 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1513 (Array Int Int)) (v_ArrVal_1515 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1513))) (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| (+ (- 1) v_ArrVal_1515)))) |c_~#cache~0.base|) (+ 196 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:43,191 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1513 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1513) |c_~#cache~0.base|) (+ 196 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:43,335 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 19:27:43,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008971110] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:43,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:43,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 30] total 69 [2025-04-24 19:27:43,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915961583] [2025-04-24 19:27:43,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:43,336 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2025-04-24 19:27:43,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:43,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2025-04-24 19:27:43,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=4240, Unknown=39, NotChecked=266, Total=4830 [2025-04-24 19:27:43,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:43,338 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:43,338 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 6.628571428571429) internal successors, (464), 69 states have internal predecessors, (464), 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 19:27:43,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:43,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:43,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:43,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:43,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:43,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:27:43,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:27:43,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:43,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:27:43,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:27:43,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:45,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:45,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:45,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:45,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:45,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:45,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:27:45,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:27:45,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:45,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:27:45,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:27:45,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:27:45,088 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 19:27:45,282 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 19:27:45,282 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:45,282 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:45,282 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #9 [2025-04-24 19:27:45,282 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:45,283 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,283 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-24 19:27:45,283 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-04-24 19:27:45,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:45,284 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:45,284 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:45,285 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:45,285 INFO L85 PathProgramCache]: Analyzing trace with hash 2087523414, now seen corresponding path program 9 times [2025-04-24 19:27:45,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:45,285 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856297884] [2025-04-24 19:27:45,285 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:27:45,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:45,303 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 187 statements into 9 equivalence classes. [2025-04-24 19:27:45,366 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 187 of 187 statements. [2025-04-24 19:27:45,366 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-24 19:27:45,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:47,750 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 19:27:47,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:47,751 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856297884] [2025-04-24 19:27:47,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856297884] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:47,751 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324166043] [2025-04-24 19:27:47,751 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:27:47,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:47,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:47,753 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 19:27:47,754 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 19:27:47,899 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 187 statements into 9 equivalence classes. [2025-04-24 19:28:07,378 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 187 of 187 statements. [2025-04-24 19:28:07,378 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-24 19:28:07,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:28:07,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 132 conjuncts are in the unsatisfiable core [2025-04-24 19:28:07,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:28:07,525 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:28:07,525 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 19:28:07,566 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 16 [2025-04-24 19:28:07,709 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 19:28:07,847 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:07,848 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:07,848 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 19:28:07,890 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:07,891 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:07,892 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2025-04-24 19:28:08,090 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:08,091 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:08,091 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 19:28:08,134 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:08,135 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:08,136 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2025-04-24 19:28:08,308 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:08,309 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:08,310 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 19:28:08,358 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:08,358 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:08,359 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2025-04-24 19:28:08,532 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:08,533 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:08,533 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 19:28:08,576 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:08,577 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:08,577 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2025-04-24 19:28:08,766 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:08,767 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:08,767 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 19:28:08,815 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:08,816 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:08,816 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2025-04-24 19:28:08,998 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:08,998 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:08,999 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 19:28:09,052 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:09,053 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:09,054 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2025-04-24 19:28:09,239 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:09,240 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:09,241 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 19:28:09,282 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:09,282 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:09,283 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2025-04-24 19:28:09,458 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 19:28:09,539 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 19:28:09,703 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 19:28:09,704 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:28:11,544 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1852 (Array Int Int)) (v_ArrVal_1854 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1852))) (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| (+ (- 1) v_ArrVal_1854)))) |c_~#cache~0.base|) (+ 224 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:28:11,751 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1852 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1852) |c_~#cache~0.base|) (+ 224 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:28:11,868 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 19:28:11,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324166043] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:28:11,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:28:11,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 32] total 80 [2025-04-24 19:28:11,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085938328] [2025-04-24 19:28:11,869 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:28:11,869 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2025-04-24 19:28:11,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:28:11,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2025-04-24 19:28:11,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=350, Invalid=5767, Unknown=53, NotChecked=310, Total=6480 [2025-04-24 19:28:11,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:28:11,872 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:28:11,872 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 6.481481481481482) internal successors, (525), 80 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 19:28:11,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:28:11,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:28:11,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:28:11,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:28:11,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:28:11,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:28:11,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:28:11,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:28:11,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:28:11,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:28:11,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:28:11,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:28:14,184 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:28:14,184 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:28:14,184 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:28:14,184 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:28:14,184 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:28:14,184 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:28:14,184 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:28:14,185 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:28:14,185 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:28:14,185 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:28:14,185 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:28:14,185 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-24 19:28:14,200 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 19:28:14,385 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 19:28:14,385 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:28:14,385 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:28:14,386 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #10 [2025-04-24 19:28:14,386 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:28:14,386 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:28:14,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,387 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:28:14,387 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,387 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 19:28:14,387 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,387 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-24 19:28:14,387 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,387 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 19:28:14,387 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,387 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-24 19:28:14,387 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-04-24 19:28:14,388 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:14,388 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:28:14,388 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:28:14,389 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:28:14,389 INFO L85 PathProgramCache]: Analyzing trace with hash -937366926, now seen corresponding path program 10 times [2025-04-24 19:28:14,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:28:14,389 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512699811] [2025-04-24 19:28:14,389 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:28:14,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:28:14,425 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 207 statements into 2 equivalence classes. [2025-04-24 19:28:14,643 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 19:28:14,644 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 19:28:14,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:28:17,249 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 19:28:17,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:28:17,249 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512699811] [2025-04-24 19:28:17,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512699811] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:28:17,249 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576828353] [2025-04-24 19:28:17,249 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:28:17,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:28:17,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:28:17,251 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 19:28:17,252 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 19:28:17,403 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 207 statements into 2 equivalence classes.