/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_70-funloop_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 11:57:59,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 11:58:00,036 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-14 11:58:00,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 11:58:00,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 11:58:00,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 11:58:00,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 11:58:00,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 11:58:00,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 11:58:00,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 11:58:00,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 11:58:00,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 11:58:00,058 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 11:58:00,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 11:58:00,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 11:58:00,058 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 11:58:00,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 11:58:00,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 11:58:00,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 11:58:00,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 11:58:00,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 11:58:00,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 11:58:00,059 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 11:58:00,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 11:58:00,059 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 11:58:00,059 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 11:58:00,059 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 11:58:00,059 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 11:58:00,059 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 11:58:00,059 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 11:58:00,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:58:00,059 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 11:58:00,059 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 11:58:00,059 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 11:58:00,059 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 11:58:00,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:58:00,060 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 11:58:00,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 11:58:00,060 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 11:58:00,060 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 11:58:00,060 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 11:58:00,060 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 11:58:00,060 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 11:58:00,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 11:58:00,060 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 11:58:00,060 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 11:58:00,060 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 11:58:00,060 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 11:58:00,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 11:58:00,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 11:58:00,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 11:58:00,272 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 11:58:00,272 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 11:58:00,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_70-funloop_racefree.i [2025-04-14 11:58:01,555 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a45e1a02/81334b93bda846d2acd18373f0a57521/FLAG2b6960715 [2025-04-14 11:58:01,816 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 11:58:01,817 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_70-funloop_racefree.i [2025-04-14 11:58:01,832 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a45e1a02/81334b93bda846d2acd18373f0a57521/FLAG2b6960715 [2025-04-14 11:58:02,555 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a45e1a02/81334b93bda846d2acd18373f0a57521 [2025-04-14 11:58:02,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 11:58:02,558 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 11:58:02,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 11:58:02,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 11:58:02,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 11:58:02,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 11:58:02" (1/1) ... [2025-04-14 11:58:02,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10bb41dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:02, skipping insertion in model container [2025-04-14 11:58:02,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 11:58:02" (1/1) ... [2025-04-14 11:58:02,589 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 11:58:02,965 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_70-funloop_racefree.i[41323,41336] [2025-04-14 11:58:02,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 11:58:03,034 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 11:58:03,098 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_70-funloop_racefree.i[41323,41336] [2025-04-14 11:58:03,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 11:58:03,158 INFO L204 MainTranslator]: Completed translation [2025-04-14 11:58:03,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:03 WrapperNode [2025-04-14 11:58:03,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 11:58:03,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 11:58:03,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 11:58:03,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 11:58:03,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:03" (1/1) ... [2025-04-14 11:58:03,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:03" (1/1) ... [2025-04-14 11:58:03,197 INFO L138 Inliner]: procedures = 272, calls = 95, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 252 [2025-04-14 11:58:03,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 11:58:03,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 11:58:03,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 11:58:03,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 11:58:03,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:03" (1/1) ... [2025-04-14 11:58:03,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:03" (1/1) ... [2025-04-14 11:58:03,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:03" (1/1) ... [2025-04-14 11:58:03,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:03" (1/1) ... [2025-04-14 11:58:03,215 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:03" (1/1) ... [2025-04-14 11:58:03,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:03" (1/1) ... [2025-04-14 11:58:03,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:03" (1/1) ... [2025-04-14 11:58:03,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:03" (1/1) ... [2025-04-14 11:58:03,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:03" (1/1) ... [2025-04-14 11:58:03,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 11:58:03,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-14 11:58:03,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-14 11:58:03,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-14 11:58:03,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:03" (1/1) ... [2025-04-14 11:58:03,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:58:03,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:03,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-14 11:58:03,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-14 11:58:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-14 11:58:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-14 11:58:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-14 11:58:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 11:58:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 11:58:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-14 11:58:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 11:58:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-14 11:58:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-14 11:58:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 11:58:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 11:58:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 11:58:03,266 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 11:58:03,369 INFO L234 CfgBuilder]: Building ICFG [2025-04-14 11:58:03,371 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 11:58:03,693 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 11:58:03,693 INFO L283 CfgBuilder]: Performing block encoding [2025-04-14 11:58:03,995 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 11:58:03,995 INFO L312 CfgBuilder]: Removed 10 assume(true) statements. [2025-04-14 11:58:03,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 11:58:03 BoogieIcfgContainer [2025-04-14 11:58:03,995 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-14 11:58:03,997 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 11:58:03,997 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 11:58:04,001 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 11:58:04,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 11:58:02" (1/3) ... [2025-04-14 11:58:04,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc388ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 11:58:04, skipping insertion in model container [2025-04-14 11:58:04,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:03" (2/3) ... [2025-04-14 11:58:04,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc388ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 11:58:04, skipping insertion in model container [2025-04-14 11:58:04,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 11:58:03" (3/3) ... [2025-04-14 11:58:04,004 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_70-funloop_racefree.i [2025-04-14 11:58:04,014 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 11:58:04,015 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. [2025-04-14 11:58:04,015 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 11:58:04,056 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-14 11:58:04,088 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 11:58:04,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 11:58:04,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:04,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-14 11:58:04,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-14 11:58:04,156 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 11:58:04,167 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2025-04-14 11:58:04,175 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;@6578bc4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 11:58:04,175 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-14 11:58:04,381 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:04,382 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:04,382 INFO L139 ounterexampleChecker]: Examining path program with hash -795832152, occurence #1 [2025-04-14 11:58:04,382 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:58:04,382 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:04,385 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:04,385 INFO L85 PathProgramCache]: Analyzing trace with hash 928527926, now seen corresponding path program 1 times [2025-04-14 11:58:04,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:04,390 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929670784] [2025-04-14 11:58:04,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:58:04,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:04,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-14 11:58:04,477 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-14 11:58:04,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:58:04,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:04,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:58:04,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:04,622 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929670784] [2025-04-14 11:58:04,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929670784] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:58:04,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:58:04,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 11:58:04,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904802324] [2025-04-14 11:58:04,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:58:04,630 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 11:58:04,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:58:04,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 11:58:04,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 11:58:04,655 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:04,656 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:58:04,657 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) [2025-04-14 11:58:04,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:04,716 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:04,717 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 11:58:04,717 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:04,717 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:04,717 INFO L139 ounterexampleChecker]: Examining path program with hash -795832152, occurence #2 [2025-04-14 11:58:04,717 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:58:04,717 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:58:04,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:04,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 11:58:04,718 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:58:04,718 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:58:04,718 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:04,718 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:04,718 INFO L85 PathProgramCache]: Analyzing trace with hash 14812504, now seen corresponding path program 1 times [2025-04-14 11:58:04,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:04,718 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113126689] [2025-04-14 11:58:04,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:58:04,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:04,733 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-14 11:58:04,744 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-14 11:58:04,744 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:58:04,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:04,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:58:04,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:04,820 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113126689] [2025-04-14 11:58:04,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113126689] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:58:04,820 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450437703] [2025-04-14 11:58:04,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:58:04,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:04,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:04,822 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:58:04,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-14 11:58:04,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-14 11:58:04,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-14 11:58:04,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:58:04,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:04,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-14 11:58:04,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:58:04,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:58:04,913 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:58:04,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 11:58:04,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450437703] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:58:04,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:58:04,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-04-14 11:58:04,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380078382] [2025-04-14 11:58:04,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:58:04,933 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-14 11:58:04,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:58:04,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-14 11:58:04,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-14 11:58:04,933 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:04,934 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:58:04,934 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) [2025-04-14 11:58:04,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:04,934 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:05,012 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:05,013 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:05,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-14 11:58:05,213 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-04-14 11:58:05,214 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:05,214 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:05,214 INFO L139 ounterexampleChecker]: Examining path program with hash -795832152, occurence #3 [2025-04-14 11:58:05,214 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:58:05,214 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:58:05,214 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:05,214 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 11:58:05,214 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:58:05,214 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:58:05,214 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:05,215 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:05,215 INFO L85 PathProgramCache]: Analyzing trace with hash 853798582, now seen corresponding path program 2 times [2025-04-14 11:58:05,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:05,215 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54399615] [2025-04-14 11:58:05,215 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 11:58:05,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:05,231 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-04-14 11:58:05,252 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 21 statements. [2025-04-14 11:58:05,252 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 11:58:05,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:05,588 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-14 11:58:05,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:05,588 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54399615] [2025-04-14 11:58:05,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54399615] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:58:05,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:58:05,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-14 11:58:05,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797490286] [2025-04-14 11:58:05,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:58:05,589 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-14 11:58:05,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:58:05,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-14 11:58:05,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-04-14 11:58:05,589 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:05,589 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:58:05,589 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) [2025-04-14 11:58:05,589 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:05,589 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:05,589 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:05,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:05,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:05,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:05,754 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-14 11:58:05,755 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:05,755 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:05,755 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #1 [2025-04-14 11:58:05,755 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:58:05,755 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:05,755 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:05,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1576872750, now seen corresponding path program 1 times [2025-04-14 11:58:05,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:05,755 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136954281] [2025-04-14 11:58:05,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:58:05,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:05,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-14 11:58:05,776 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-14 11:58:05,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:58:05,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:05,869 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 11:58:05,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:05,870 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136954281] [2025-04-14 11:58:05,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136954281] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:58:05,870 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632301604] [2025-04-14 11:58:05,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:58:05,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:05,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:05,872 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:58:05,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-14 11:58:05,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-14 11:58:05,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-14 11:58:05,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:58:05,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:05,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-14 11:58:05,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:58:05,994 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 11:58:05,994 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:58:06,052 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 11:58:06,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632301604] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:58:06,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:58:06,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-04-14 11:58:06,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062364694] [2025-04-14 11:58:06,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:58:06,053 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-14 11:58:06,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:58:06,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-14 11:58:06,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-04-14 11:58:06,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:06,054 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:58:06,054 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) [2025-04-14 11:58:06,054 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:06,054 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:06,054 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:06,054 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:06,159 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:06,159 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:06,159 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:06,160 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:06,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-14 11:58:06,360 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:06,360 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:06,361 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:06,361 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #2 [2025-04-14 11:58:06,361 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:58:06,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:58:06,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:06,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 11:58:06,361 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:58:06,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 11:58:06,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:06,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 11:58:06,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:06,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 11:58:06,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:06,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 11:58:06,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:06,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 11:58:06,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:06,362 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:58:06,362 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:06,362 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:06,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1229066642, now seen corresponding path program 2 times [2025-04-14 11:58:06,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:06,362 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97463885] [2025-04-14 11:58:06,362 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 11:58:06,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:06,381 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-04-14 11:58:06,408 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 47 of 47 statements. [2025-04-14 11:58:06,411 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 11:58:06,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:07,186 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:07,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:07,186 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97463885] [2025-04-14 11:58:07,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97463885] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:58:07,187 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970531638] [2025-04-14 11:58:07,187 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 11:58:07,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:07,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:07,190 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:58:07,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-14 11:58:07,248 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-04-14 11:58:07,283 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 47 of 47 statements. [2025-04-14 11:58:07,283 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 11:58:07,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:07,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-04-14 11:58:07,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:58:07,389 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 11:58:07,389 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 [2025-04-14 11:58:07,418 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 [2025-04-14 11:58:07,530 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 [2025-04-14 11:58:07,613 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:07,613 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 [2025-04-14 11:58:07,662 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:07,663 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 [2025-04-14 11:58:07,784 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:07,784 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:58:08,894 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 [2025-04-14 11:58:08,941 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 [2025-04-14 11:58:09,057 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:09,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970531638] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:58:09,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:58:09,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 12] total 27 [2025-04-14 11:58:09,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999025031] [2025-04-14 11:58:09,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:58:09,058 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-04-14 11:58:09,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:58:09,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-04-14 11:58:09,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=532, Unknown=18, NotChecked=98, Total=756 [2025-04-14 11:58:09,059 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:09,059 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:58:09,059 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) [2025-04-14 11:58:09,059 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:09,059 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:09,060 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:09,060 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:09,060 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:09,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:09,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:09,383 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:09,383 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:09,383 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:58:09,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-14 11:58:09,583 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:09,583 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:09,583 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:09,584 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #3 [2025-04-14 11:58:09,584 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:58:09,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:58:09,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:09,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 11:58:09,584 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:58:09,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 11:58:09,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:09,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 11:58:09,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:09,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 11:58:09,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:09,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 11:58:09,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:09,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 11:58:09,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:09,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 11:58:09,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:09,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 11:58:09,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:09,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 11:58:09,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:09,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 11:58:09,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:09,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 11:58:09,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:09,585 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:58:09,585 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:09,585 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:09,585 INFO L85 PathProgramCache]: Analyzing trace with hash 24048046, now seen corresponding path program 3 times [2025-04-14 11:58:09,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:09,585 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088508522] [2025-04-14 11:58:09,585 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 11:58:09,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:09,601 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 6 equivalence classes. [2025-04-14 11:58:09,632 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 61 of 67 statements. [2025-04-14 11:58:09,632 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-14 11:58:09,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:10,416 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:10,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:10,416 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088508522] [2025-04-14 11:58:10,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088508522] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:58:10,416 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69961716] [2025-04-14 11:58:10,416 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 11:58:10,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:10,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:10,418 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:58:10,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-14 11:58:10,479 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 6 equivalence classes. [2025-04-14 11:58:10,537 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 61 of 67 statements. [2025-04-14 11:58:10,537 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-14 11:58:10,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:10,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-04-14 11:58:10,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:58:10,612 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 11:58:10,613 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 [2025-04-14 11:58:10,635 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 11:58:10,749 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 [2025-04-14 11:58:10,822 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:10,823 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 [2025-04-14 11:58:10,883 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:10,884 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 [2025-04-14 11:58:11,068 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:11,070 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 11:58:11,119 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:11,120 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 [2025-04-14 11:58:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:11,226 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:58:12,610 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:12,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69961716] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:58:12,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:58:12,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 15] total 35 [2025-04-14 11:58:12,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058092215] [2025-04-14 11:58:12,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:58:12,611 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-04-14 11:58:12,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:58:12,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-04-14 11:58:12,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1071, Unknown=36, NotChecked=0, Total=1260 [2025-04-14 11:58:12,612 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:12,613 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:58:12,613 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) [2025-04-14 11:58:12,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:12,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:12,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:12,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:12,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:58:12,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:12,995 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:12,995 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:12,996 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:12,996 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:12,996 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:58:12,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 11:58:13,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-14 11:58:13,198 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:13,198 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:13,198 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:13,198 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #4 [2025-04-14 11:58:13,199 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:58:13,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:58:13,199 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:13,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 11:58:13,199 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:58:13,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 11:58:13,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:13,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 11:58:13,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:13,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 11:58:13,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:13,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 11:58:13,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:13,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 11:58:13,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:13,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 11:58:13,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:13,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 11:58:13,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:13,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 11:58:13,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:13,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 11:58:13,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:13,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 11:58:13,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:13,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 11:58:13,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:13,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 11:58:13,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:13,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 11:58:13,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:13,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 11:58:13,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:13,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 11:58:13,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:13,201 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:58:13,201 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:13,202 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:13,202 INFO L85 PathProgramCache]: Analyzing trace with hash 589736906, now seen corresponding path program 4 times [2025-04-14 11:58:13,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:13,202 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619614444] [2025-04-14 11:58:13,202 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 11:58:13,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:13,219 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 87 statements into 2 equivalence classes. [2025-04-14 11:58:13,268 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 87 of 87 statements. [2025-04-14 11:58:13,268 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 11:58:13,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:14,403 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:14,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:14,403 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619614444] [2025-04-14 11:58:14,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619614444] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:58:14,403 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089574325] [2025-04-14 11:58:14,403 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 11:58:14,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:14,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:14,406 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:58:14,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-14 11:58:14,480 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 87 statements into 2 equivalence classes. [2025-04-14 11:58:14,609 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 87 of 87 statements. [2025-04-14 11:58:14,610 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 11:58:14,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:14,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 66 conjuncts are in the unsatisfiable core [2025-04-14 11:58:14,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:58:14,717 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 11:58:14,718 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 [2025-04-14 11:58:14,746 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 [2025-04-14 11:58:14,859 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 [2025-04-14 11:58:14,944 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:14,944 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 [2025-04-14 11:58:14,990 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:14,991 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 [2025-04-14 11:58:15,141 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:15,141 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 [2025-04-14 11:58:15,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:15,181 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 [2025-04-14 11:58:15,329 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:15,329 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 [2025-04-14 11:58:15,373 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:15,374 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 [2025-04-14 11:58:15,496 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:15,496 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:58:16,002 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 [2025-04-14 11:58:16,018 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 [2025-04-14 11:58:16,022 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 [2025-04-14 11:58:16,138 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:16,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089574325] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:58:16,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:58:16,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 18] total 46 [2025-04-14 11:58:16,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408112796] [2025-04-14 11:58:16,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:58:16,138 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-04-14 11:58:16,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:58:16,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-04-14 11:58:16,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1716, Unknown=6, NotChecked=258, Total=2162 [2025-04-14 11:58:16,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:16,140 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:58:16,140 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) [2025-04-14 11:58:16,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:16,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:16,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:16,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:16,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:58:16,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 11:58:16,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:16,870 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:16,870 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:16,870 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:16,870 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:16,870 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:58:16,870 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 11:58:16,870 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:58:16,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-14 11:58:17,071 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:17,071 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:17,071 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:17,071 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #5 [2025-04-14 11:58:17,071 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:58:17,071 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:58:17,071 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 11:58:17,072 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:58:17,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 11:58:17,072 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 11:58:17,072 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 11:58:17,072 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 11:58:17,072 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 11:58:17,072 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 11:58:17,072 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 11:58:17,072 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 11:58:17,072 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 11:58:17,072 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 11:58:17,072 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 11:58:17,072 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 11:58:17,072 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 11:58:17,072 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,072 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 11:58:17,073 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 11:58:17,073 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 11:58:17,073 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 11:58:17,073 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-14 11:58:17,073 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-14 11:58:17,073 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-14 11:58:17,073 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:17,073 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:58:17,073 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:17,073 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:17,073 INFO L85 PathProgramCache]: Analyzing trace with hash -965197850, now seen corresponding path program 5 times [2025-04-14 11:58:17,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:17,073 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479228717] [2025-04-14 11:58:17,073 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 11:58:17,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:17,087 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 6 equivalence classes. [2025-04-14 11:58:17,134 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 107 of 107 statements. [2025-04-14 11:58:17,136 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 11:58:17,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:18,329 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:18,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:18,330 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479228717] [2025-04-14 11:58:18,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479228717] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:58:18,330 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453161873] [2025-04-14 11:58:18,330 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 11:58:18,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:18,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:18,332 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:58:18,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-14 11:58:18,406 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 6 equivalence classes. [2025-04-14 11:58:21,012 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 107 of 107 statements. [2025-04-14 11:58:21,013 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 11:58:21,013 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:21,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 75 conjuncts are in the unsatisfiable core [2025-04-14 11:58:21,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:58:21,095 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 11:58:21,095 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 [2025-04-14 11:58:21,121 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 [2025-04-14 11:58:21,217 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 [2025-04-14 11:58:21,284 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:21,285 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 [2025-04-14 11:58:21,317 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:21,318 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 [2025-04-14 11:58:21,483 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:21,483 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 [2025-04-14 11:58:21,518 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:21,519 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 [2025-04-14 11:58:21,669 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:21,670 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 [2025-04-14 11:58:21,710 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:21,710 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 [2025-04-14 11:58:21,834 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:21,834 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 [2025-04-14 11:58:21,872 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:21,873 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 [2025-04-14 11:58:21,982 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:21,982 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:58:22,634 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 [2025-04-14 11:58:22,716 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 [2025-04-14 11:58:22,841 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:22,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453161873] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:58:22,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:58:22,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 21] total 51 [2025-04-14 11:58:22,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182692312] [2025-04-14 11:58:22,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:58:22,842 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2025-04-14 11:58:22,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:58:22,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2025-04-14 11:58:22,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=2233, Unknown=30, NotChecked=194, Total=2652 [2025-04-14 11:58:22,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:22,844 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:58:22,844 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) [2025-04-14 11:58:22,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:22,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:22,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:22,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:22,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:58:22,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 11:58:22,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:58:22,844 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:23,881 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:23,881 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:23,881 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:23,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:23,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:58:23,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 11:58:23,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:58:23,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:58:23,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-14 11:58:24,082 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:24,082 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:24,082 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:24,083 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #6 [2025-04-14 11:58:24,083 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:58:24,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:58:24,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 11:58:24,083 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:58:24,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 11:58:24,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 11:58:24,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 11:58:24,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 11:58:24,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 11:58:24,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 11:58:24,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 11:58:24,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 11:58:24,083 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,083 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 11:58:24,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 11:58:24,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 11:58:24,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 11:58:24,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 11:58:24,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 11:58:24,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 11:58:24,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 11:58:24,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 11:58:24,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-14 11:58:24,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-14 11:58:24,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-14 11:58:24,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 11:58:24,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-14 11:58:24,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-14 11:58:24,084 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-14 11:58:24,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,085 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 11:58:24,085 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:24,085 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:58:24,085 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:24,085 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:24,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1710403074, now seen corresponding path program 6 times [2025-04-14 11:58:24,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:24,085 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120325412] [2025-04-14 11:58:24,085 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 11:58:24,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:24,102 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 127 statements into 6 equivalence classes. [2025-04-14 11:58:24,160 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 127 of 127 statements. [2025-04-14 11:58:24,160 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-14 11:58:24,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:25,914 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:25,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:25,915 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120325412] [2025-04-14 11:58:25,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120325412] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:58:25,915 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024520421] [2025-04-14 11:58:25,915 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 11:58:25,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:25,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:25,917 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:58:25,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-14 11:58:26,001 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 127 statements into 6 equivalence classes. [2025-04-14 11:58:27,459 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 127 of 127 statements. [2025-04-14 11:58:27,459 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-14 11:58:27,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:27,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 90 conjuncts are in the unsatisfiable core [2025-04-14 11:58:27,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:58:27,541 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 11:58:27,541 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 [2025-04-14 11:58:27,568 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 [2025-04-14 11:58:27,662 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 11:58:27,735 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:27,735 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 [2025-04-14 11:58:27,771 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:27,772 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 [2025-04-14 11:58:27,921 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:27,922 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 [2025-04-14 11:58:27,961 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:27,962 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 [2025-04-14 11:58:28,105 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:28,106 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 [2025-04-14 11:58:28,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:28,183 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 [2025-04-14 11:58:28,346 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:28,347 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 [2025-04-14 11:58:28,383 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:28,384 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 [2025-04-14 11:58:28,530 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:28,530 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 [2025-04-14 11:58:28,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:28,565 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 [2025-04-14 11:58:28,681 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:28,681 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:58:29,617 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 [2025-04-14 11:58:29,633 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 [2025-04-14 11:58:29,826 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:29,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024520421] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:58:29,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:58:29,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 18, 24] total 61 [2025-04-14 11:58:29,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603604195] [2025-04-14 11:58:29,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:58:29,826 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2025-04-14 11:58:29,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:58:29,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2025-04-14 11:58:29,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=3265, Unknown=23, NotChecked=234, Total=3782 [2025-04-14 11:58:29,828 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:29,828 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:58:29,828 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) [2025-04-14 11:58:29,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:29,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:29,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:29,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:29,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:58:29,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 11:58:29,829 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:58:29,829 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:58:29,829 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:31,177 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:31,177 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:31,177 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:31,177 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:31,177 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:58:31,177 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 11:58:31,177 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:58:31,177 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:58:31,178 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 11:58:31,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-14 11:58:31,378 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-04-14 11:58:31,378 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:31,378 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:31,379 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #7 [2025-04-14 11:58:31,379 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:58:31,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:58:31,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 11:58:31,379 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:58:31,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 11:58:31,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 11:58:31,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 11:58:31,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 11:58:31,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 11:58:31,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 11:58:31,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 11:58:31,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 11:58:31,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 11:58:31,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 11:58:31,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 11:58:31,379 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 11:58:31,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 11:58:31,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 11:58:31,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 11:58:31,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 11:58:31,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 11:58:31,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-14 11:58:31,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-14 11:58:31,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-14 11:58:31,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 11:58:31,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-14 11:58:31,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-14 11:58:31,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-14 11:58:31,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 11:58:31,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-14 11:58:31,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-14 11:58:31,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-14 11:58:31,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-14 11:58:31,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-14 11:58:31,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:31,381 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:58:31,381 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:31,381 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:31,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1633356258, now seen corresponding path program 7 times [2025-04-14 11:58:31,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:31,381 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785158890] [2025-04-14 11:58:31,381 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 11:58:31,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:31,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-04-14 11:58:31,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-04-14 11:58:31,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:58:31,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:32,824 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:32,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:32,824 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785158890] [2025-04-14 11:58:32,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785158890] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:58:32,825 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109354287] [2025-04-14 11:58:32,825 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 11:58:32,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:32,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:32,826 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:58:32,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-14 11:58:32,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-04-14 11:58:32,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-04-14 11:58:32,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:58:32,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:32,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 102 conjuncts are in the unsatisfiable core [2025-04-14 11:58:32,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:58:33,034 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 11:58:33,035 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 [2025-04-14 11:58:33,071 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 [2025-04-14 11:58:33,166 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 [2025-04-14 11:58:33,232 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:33,232 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 [2025-04-14 11:58:33,269 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:33,269 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 [2025-04-14 11:58:33,402 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:33,402 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 11:58:33,434 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:33,435 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 [2025-04-14 11:58:33,556 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:33,556 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 11:58:33,589 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:33,590 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 [2025-04-14 11:58:33,712 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:33,713 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 [2025-04-14 11:58:33,745 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:33,746 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 [2025-04-14 11:58:33,869 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:33,870 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 [2025-04-14 11:58:33,902 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:33,902 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 [2025-04-14 11:58:34,032 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:34,033 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 [2025-04-14 11:58:34,065 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:34,065 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 [2025-04-14 11:58:34,186 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:34,186 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:58:35,169 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 [2025-04-14 11:58:35,266 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 [2025-04-14 11:58:35,270 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 [2025-04-14 11:58:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:35,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109354287] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:58:35,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:58:35,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 27] total 62 [2025-04-14 11:58:35,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435417576] [2025-04-14 11:58:35,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:58:35,354 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-04-14 11:58:35,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:58:35,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-04-14 11:58:35,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=3287, Unknown=16, NotChecked=354, Total=3906 [2025-04-14 11:58:35,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:35,356 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:58:35,356 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) [2025-04-14 11:58:35,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:35,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:35,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:35,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:35,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:58:35,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 11:58:35,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:58:35,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:58:35,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 11:58:35,357 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:36,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:36,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:36,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:36,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:36,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:58:36,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 11:58:36,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:58:36,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:58:36,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 11:58:36,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 11:58:36,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-14 11:58:36,944 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-04-14 11:58:36,944 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:36,944 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:36,944 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #8 [2025-04-14 11:58:36,944 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:58:36,944 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:58:36,944 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,944 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 11:58:36,944 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:58:36,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 11:58:36,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 11:58:36,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 11:58:36,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 11:58:36,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 11:58:36,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 11:58:36,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 11:58:36,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 11:58:36,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 11:58:36,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 11:58:36,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 11:58:36,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 11:58:36,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 11:58:36,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 11:58:36,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 11:58:36,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 11:58:36,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 11:58:36,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-14 11:58:36,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-14 11:58:36,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-14 11:58:36,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 11:58:36,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-14 11:58:36,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-14 11:58:36,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-14 11:58:36,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 11:58:36,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-14 11:58:36,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-14 11:58:36,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-14 11:58:36,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-14 11:58:36,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-14 11:58:36,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-14 11:58:36,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-14 11:58:36,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-14 11:58:36,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-14 11:58:36,947 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,947 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-14 11:58:36,947 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:36,947 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:58:36,947 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:36,947 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:36,947 INFO L85 PathProgramCache]: Analyzing trace with hash -266463174, now seen corresponding path program 8 times [2025-04-14 11:58:36,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:36,947 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450886435] [2025-04-14 11:58:36,947 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 11:58:36,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:36,964 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 167 statements into 2 equivalence classes. [2025-04-14 11:58:36,992 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 167 of 167 statements. [2025-04-14 11:58:36,993 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 11:58:36,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:38,773 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:38,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:38,773 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450886435] [2025-04-14 11:58:38,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450886435] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:58:38,773 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075039362] [2025-04-14 11:58:38,773 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 11:58:38,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:38,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:38,775 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:58:38,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-14 11:58:38,876 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 167 statements into 2 equivalence classes. [2025-04-14 11:58:38,942 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 167 of 167 statements. [2025-04-14 11:58:38,942 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 11:58:38,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:38,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 111 conjuncts are in the unsatisfiable core [2025-04-14 11:58:38,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:58:39,001 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 11:58:39,001 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 [2025-04-14 11:58:39,041 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 [2025-04-14 11:58:39,127 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 11:58:39,185 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:39,185 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 [2025-04-14 11:58:39,221 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:39,222 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 [2025-04-14 11:58:39,360 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:39,360 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 [2025-04-14 11:58:39,397 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:39,398 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 [2025-04-14 11:58:39,515 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:39,516 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 [2025-04-14 11:58:39,554 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:39,554 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 [2025-04-14 11:58:39,674 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:39,675 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 [2025-04-14 11:58:39,710 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:39,710 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 [2025-04-14 11:58:39,836 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:39,836 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 [2025-04-14 11:58:39,869 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:39,870 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 [2025-04-14 11:58:39,997 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:39,997 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 [2025-04-14 11:58:40,031 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:40,031 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 [2025-04-14 11:58:40,165 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:40,166 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 [2025-04-14 11:58:40,214 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:40,215 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 [2025-04-14 11:58:40,326 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:40,327 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:58:41,570 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 [2025-04-14 11:58:41,665 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 [2025-04-14 11:58:41,802 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:41,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075039362] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:58:41,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:58:41,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 30] total 69 [2025-04-14 11:58:41,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562586378] [2025-04-14 11:58:41,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:58:41,803 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2025-04-14 11:58:41,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:58:41,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2025-04-14 11:58:41,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=4240, Unknown=39, NotChecked=266, Total=4830 [2025-04-14 11:58:41,804 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:41,804 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:58:41,805 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) [2025-04-14 11:58:41,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:41,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:41,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:41,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:41,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:58:41,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 11:58:41,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:58:41,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:58:41,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 11:58:41,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 11:58:41,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:43,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:43,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:43,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:43,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:43,445 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:58:43,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 11:58:43,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:58:43,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:58:43,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 11:58:43,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 11:58:43,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 11:58:43,452 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-14 11:58:43,646 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-04-14 11:58:43,646 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:43,646 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:43,647 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #9 [2025-04-14 11:58:43,647 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:58:43,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:58:43,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 11:58:43,647 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:58:43,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 11:58:43,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 11:58:43,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 11:58:43,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 11:58:43,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 11:58:43,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 11:58:43,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 11:58:43,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 11:58:43,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 11:58:43,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 11:58:43,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 11:58:43,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 11:58:43,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 11:58:43,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 11:58:43,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 11:58:43,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 11:58:43,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 11:58:43,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-14 11:58:43,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-14 11:58:43,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-14 11:58:43,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 11:58:43,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-14 11:58:43,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-14 11:58:43,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-14 11:58:43,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 11:58:43,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-14 11:58:43,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-14 11:58:43,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-14 11:58:43,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-14 11:58:43,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-14 11:58:43,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-14 11:58:43,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-14 11:58:43,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-14 11:58:43,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-14 11:58:43,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-14 11:58:43,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-04-14 11:58:43,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-14 11:58:43,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-04-14 11:58:43,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-04-14 11:58:43,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-04-14 11:58:43,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:43,649 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:58:43,649 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:43,650 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:43,650 INFO L85 PathProgramCache]: Analyzing trace with hash 2087523414, now seen corresponding path program 9 times [2025-04-14 11:58:43,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:43,650 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323286827] [2025-04-14 11:58:43,650 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 11:58:43,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:43,667 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 187 statements into 9 equivalence classes. [2025-04-14 11:58:43,736 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 187 of 187 statements. [2025-04-14 11:58:43,736 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-14 11:58:43,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:46,013 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:46,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:46,014 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323286827] [2025-04-14 11:58:46,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323286827] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:58:46,014 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725808467] [2025-04-14 11:58:46,014 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 11:58:46,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:46,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:46,016 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:58:46,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-14 11:58:46,145 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 187 statements into 9 equivalence classes. [2025-04-14 11:59:03,981 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 187 of 187 statements. [2025-04-14 11:59:03,981 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-14 11:59:03,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:59:03,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 132 conjuncts are in the unsatisfiable core [2025-04-14 11:59:04,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:59:04,094 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 11:59:04,094 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 [2025-04-14 11:59:04,137 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 [2025-04-14 11:59:04,249 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 [2025-04-14 11:59:04,337 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:04,338 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:04,339 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 [2025-04-14 11:59:04,419 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:04,420 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:04,422 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 [2025-04-14 11:59:04,606 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:04,607 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:04,607 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 [2025-04-14 11:59:04,647 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:04,651 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:04,651 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 [2025-04-14 11:59:04,811 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:04,812 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:04,813 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 [2025-04-14 11:59:04,854 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:04,855 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:04,856 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 [2025-04-14 11:59:05,016 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:05,016 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:05,017 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 [2025-04-14 11:59:05,062 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:05,063 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:05,063 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 [2025-04-14 11:59:05,231 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:05,232 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:05,232 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 [2025-04-14 11:59:05,291 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:05,292 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:05,292 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 [2025-04-14 11:59:05,498 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:05,499 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:05,499 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 [2025-04-14 11:59:05,554 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:05,555 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:05,555 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 [2025-04-14 11:59:05,740 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:05,741 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:05,742 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 [2025-04-14 11:59:05,784 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:05,785 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:05,785 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 [2025-04-14 11:59:05,952 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 [2025-04-14 11:59:06,037 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 [2025-04-14 11:59:06,187 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:59:06,187 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:59:07,883 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 [2025-04-14 11:59:08,066 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 [2025-04-14 11:59:08,156 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:59:08,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725808467] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:59:08,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:59:08,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 32] total 80 [2025-04-14 11:59:08,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211366112] [2025-04-14 11:59:08,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:59:08,157 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2025-04-14 11:59:08,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:59:08,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2025-04-14 11:59:08,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=350, Invalid=5767, Unknown=53, NotChecked=310, Total=6480 [2025-04-14 11:59:08,159 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:59:08,160 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:59:08,160 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) [2025-04-14 11:59:08,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:59:08,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:59:08,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:59:08,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:08,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:59:08,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 11:59:08,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:59:08,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:59:08,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 11:59:08,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 11:59:08,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 11:59:08,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:59:10,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:59:10,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:59:10,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:59:10,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:10,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:59:10,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 11:59:10,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-14 11:59:10,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:59:10,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 11:59:10,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 11:59:10,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 11:59:10,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 11:59:10,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-04-14 11:59:10,422 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-04-14 11:59:10,423 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:59:10,423 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:59:10,423 INFO L139 ounterexampleChecker]: Examining path program with hash 55557730, occurence #10 [2025-04-14 11:59:10,423 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:59:10,423 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:59:10,423 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,423 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 11:59:10,423 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:59:10,423 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 11:59:10,423 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,423 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 11:59:10,423 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,423 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 11:59:10,423 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,423 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 11:59:10,423 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,423 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-14 11:59:10,424 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,424 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,425 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2025-04-14 11:59:10,425 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2025-04-14 11:59:10,426 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2025-04-14 11:59:10,426 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-04-14 11:59:10,426 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,426 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:59:10,426 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:59:10,426 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:59:10,426 INFO L85 PathProgramCache]: Analyzing trace with hash -937366926, now seen corresponding path program 10 times [2025-04-14 11:59:10,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:59:10,426 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534610671] [2025-04-14 11:59:10,426 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 11:59:10,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:59:10,452 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 207 statements into 2 equivalence classes. [2025-04-14 11:59:10,659 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 207 of 207 statements. [2025-04-14 11:59:10,659 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 11:59:10,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:59:13,187 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:59:13,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:59:13,187 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534610671] [2025-04-14 11:59:13,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534610671] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:59:13,187 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811467661] [2025-04-14 11:59:13,187 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 11:59:13,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:59:13,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:59:13,189 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:59:13,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-14 11:59:13,332 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 207 statements into 2 equivalence classes. Received shutdown request... [2025-04-14 12:12:33,610 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 12:12:33,610 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 12:12:33,610 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 12:12:34,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-14 12:12:34,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 [2025-04-14 12:12:34,811 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forcibly destroying the process [2025-04-14 12:12:34,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 137 [2025-04-14 12:12:34,895 WARN L301 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-04-14 12:12:34,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-04-14 12:12:34,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2025-04-14 12:12:34,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237836987] [2025-04-14 12:12:34,897 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-04-14 12:12:34,897 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-04-14 12:12:34,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:12:34,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-04-14 12:12:34,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=1042, Unknown=0, NotChecked=0, Total=1122 [2025-04-14 12:12:34,898 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:12:34,898 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:12:34,898 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.823529411764706) internal successors, (198), 33 states have internal predecessors, (198), 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) [2025-04-14 12:12:34,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:12:34,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:12:34,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:12:34,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:12:34,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:12:34,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 12:12:34,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-14 12:12:34,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:12:34,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:12:34,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:12:34,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:12:34,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:12:34,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:12:34,899 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-04-14 12:12:34,899 WARN L610 AbstractCegarLoop]: Verification canceled: while executing Executor. [2025-04-14 12:12:34,901 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-04-14 12:12:34,905 INFO L422 BasicCegarLoop]: Path program histogram: [10, 2, 1] [2025-04-14 12:12:34,906 INFO L320 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was TIMEOUT (1/2) [2025-04-14 12:12:34,907 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 12:12:34,907 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 12:12:34,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 12:12:34 BasicIcfg [2025-04-14 12:12:34,909 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 12:12:34,910 INFO L158 Benchmark]: Toolchain (without parser) took 872351.50ms. Allocated memory was 155.2MB in the beginning and 637.5MB in the end (delta: 482.3MB). Free memory was 106.7MB in the beginning and 340.1MB in the end (delta: -233.4MB). Peak memory consumption was 248.3MB. Max. memory is 8.0GB. [2025-04-14 12:12:34,910 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 12:12:34,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 600.39ms. Allocated memory is still 155.2MB. Free memory was 106.7MB in the beginning and 72.5MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2025-04-14 12:12:34,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.57ms. Allocated memory is still 155.2MB. Free memory was 72.5MB in the beginning and 69.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 12:12:34,910 INFO L158 Benchmark]: Boogie Preprocessor took 24.57ms. Allocated memory is still 155.2MB. Free memory was 69.1MB in the beginning and 67.4MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 12:12:34,910 INFO L158 Benchmark]: RCFGBuilder took 770.65ms. Allocated memory is still 155.2MB. Free memory was 67.4MB in the beginning and 100.0MB in the end (delta: -32.5MB). Peak memory consumption was 49.5MB. Max. memory is 8.0GB. [2025-04-14 12:12:34,910 INFO L158 Benchmark]: TraceAbstraction took 870912.59ms. Allocated memory was 155.2MB in the beginning and 637.5MB in the end (delta: 482.3MB). Free memory was 100.0MB in the beginning and 340.1MB in the end (delta: -240.1MB). Peak memory consumption was 242.2MB. Max. memory is 8.0GB. [2025-04-14 12:12:34,911 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 600.39ms. Allocated memory is still 155.2MB. Free memory was 106.7MB in the beginning and 72.5MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.57ms. Allocated memory is still 155.2MB. Free memory was 72.5MB in the beginning and 69.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.57ms. Allocated memory is still 155.2MB. Free memory was 69.1MB in the beginning and 67.4MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 770.65ms. Allocated memory is still 155.2MB. Free memory was 67.4MB in the beginning and 100.0MB in the end (delta: -32.5MB). Peak memory consumption was 49.5MB. Max. memory is 8.0GB. * TraceAbstraction took 870912.59ms. Allocated memory was 155.2MB in the beginning and 637.5MB in the end (delta: 482.3MB). Free memory was 100.0MB in the beginning and 340.1MB in the end (delta: -240.1MB). Peak memory consumption was 242.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1433, independent: 588, independent conditional: 186, independent unconditional: 402, dependent: 845, dependent conditional: 841, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 592, independent: 588, independent conditional: 186, independent unconditional: 402, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 592, independent: 588, independent conditional: 186, independent unconditional: 402, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 592, independent: 588, independent conditional: 186, independent unconditional: 402, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 592, independent: 588, independent conditional: 0, independent unconditional: 588, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 592, independent: 588, independent conditional: 0, independent unconditional: 588, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 398, independent: 394, independent conditional: 0, independent unconditional: 394, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 398, independent: 390, independent conditional: 0, independent unconditional: 390, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 161, independent: 74, independent conditional: 0, independent unconditional: 74, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 592, independent: 194, independent conditional: 0, independent unconditional: 194, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 398, unknown conditional: 0, unknown unconditional: 398] , Statistics on independence cache: Total cache size (in pairs): 398, Positive cache size: 394, Positive conditional cache size: 0, Positive unconditional cache size: 394, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 186, Maximal queried relation: 0, Independence queries for same thread: 841, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 35, Number of trivial persistent sets: 33, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 406, independent: 402, independent conditional: 0, independent unconditional: 402, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1433, independent: 588, independent conditional: 186, independent unconditional: 402, dependent: 845, dependent conditional: 841, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 592, independent: 588, independent conditional: 186, independent unconditional: 402, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 592, independent: 588, independent conditional: 186, independent unconditional: 402, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 592, independent: 588, independent conditional: 186, independent unconditional: 402, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 592, independent: 588, independent conditional: 0, independent unconditional: 588, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 592, independent: 588, independent conditional: 0, independent unconditional: 588, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 398, independent: 394, independent conditional: 0, independent unconditional: 394, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 398, independent: 390, independent conditional: 0, independent unconditional: 390, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 161, independent: 74, independent conditional: 0, independent unconditional: 74, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 592, independent: 194, independent conditional: 0, independent unconditional: 194, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 398, unknown conditional: 0, unknown unconditional: 398] , Statistics on independence cache: Total cache size (in pairs): 398, Positive cache size: 394, Positive conditional cache size: 0, Positive unconditional cache size: 394, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 186, Maximal queried relation: 0, Independence queries for same thread: 841 - TimeoutResultAtElement [Line: 929]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 101 locations, 142 edges, 4 error locations. Started 1 CEGAR loops. OverallTime: 870.8s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 9.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 163, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 22.9s SatisfiabilityAnalysisTime, 33.4s InterpolantComputationTime, 2235 NumberOfCodeBlocks, 2219 NumberOfCodeBlocksAsserted, 70 NumberOfCheckSat, 3197 ConstructedInterpolants, 389 QuantifiedInterpolants, 59129 SizeOfPredicates, 232 NumberOfNonLiveVariables, 5737 ConjunctsInSsa, 681 ConjunctsInUnsatCore, 33 InterpolantComputations, 2 PerfectInterpolantSequences, 1391/7418 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 1, ConditionCalculationTime [ms]: 0, ConditionCalculations: 236, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown