/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/mult-dist.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 04:55:14,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 04:55:14,431 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-01-26 04:55:14,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 04:55:14,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 04:55:14,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 04:55:14,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 04:55:14,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 04:55:14,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 04:55:14,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 04:55:14,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 04:55:14,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 04:55:14,461 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 04:55:14,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 04:55:14,462 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 04:55:14,462 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 04:55:14,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 04:55:14,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 04:55:14,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 04:55:14,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 04:55:14,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 04:55:14,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 04:55:14,463 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 04:55:14,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 04:55:14,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 04:55:14,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 04:55:14,464 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 04:55:14,464 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 04:55:14,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 04:55:14,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 04:55:14,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 04:55:14,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 04:55:14,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 04:55:14,466 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 04:55:14,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 04:55:14,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 04:55:14,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 04:55:14,466 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 04:55:14,466 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-01-26 04:55:14,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 04:55:14,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 04:55:14,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 04:55:14,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 04:55:14,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 04:55:14,695 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 04:55:14,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/mult-dist.wvr.c [2024-01-26 04:55:15,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 04:55:15,858 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 04:55:15,858 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-dist.wvr.c [2024-01-26 04:55:15,864 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/31f199286/6640c88d316640a9bc7ca9aa157128ca/FLAG723427c28 [2024-01-26 04:55:15,876 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/31f199286/6640c88d316640a9bc7ca9aa157128ca [2024-01-26 04:55:15,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 04:55:15,880 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 04:55:15,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 04:55:15,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 04:55:15,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 04:55:15,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 04:55:15" (1/1) ... [2024-01-26 04:55:15,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4681f6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:55:15, skipping insertion in model container [2024-01-26 04:55:15,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 04:55:15" (1/1) ... [2024-01-26 04:55:15,906 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 04:55:16,014 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-dist.wvr.c[2155,2168] [2024-01-26 04:55:16,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 04:55:16,022 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 04:55:16,047 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-dist.wvr.c[2155,2168] [2024-01-26 04:55:16,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 04:55:16,057 INFO L206 MainTranslator]: Completed translation [2024-01-26 04:55:16,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:55:16 WrapperNode [2024-01-26 04:55:16,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 04:55:16,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 04:55:16,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 04:55:16,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 04:55:16,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:55:16" (1/1) ... [2024-01-26 04:55:16,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:55:16" (1/1) ... [2024-01-26 04:55:16,097 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-01-26 04:55:16,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 04:55:16,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 04:55:16,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 04:55:16,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 04:55:16,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:55:16" (1/1) ... [2024-01-26 04:55:16,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:55:16" (1/1) ... [2024-01-26 04:55:16,107 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:55:16" (1/1) ... [2024-01-26 04:55:16,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:55:16" (1/1) ... [2024-01-26 04:55:16,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:55:16" (1/1) ... [2024-01-26 04:55:16,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:55:16" (1/1) ... [2024-01-26 04:55:16,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:55:16" (1/1) ... [2024-01-26 04:55:16,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:55:16" (1/1) ... [2024-01-26 04:55:16,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 04:55:16,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 04:55:16,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 04:55:16,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 04:55:16,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:55:16" (1/1) ... [2024-01-26 04:55:16,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 04:55:16,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 04:55:16,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-01-26 04:55:16,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-01-26 04:55:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 04:55:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 04:55:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 04:55:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 04:55:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 04:55:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 04:55:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 04:55:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 04:55:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 04:55:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 04:55:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 04:55:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 04:55:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 04:55:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 04:55:16,166 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 04:55:16,235 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 04:55:16,237 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 04:55:16,440 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 04:55:16,449 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 04:55:16,449 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-01-26 04:55:16,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 04:55:16 BoogieIcfgContainer [2024-01-26 04:55:16,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 04:55:16,451 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 04:55:16,451 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 04:55:16,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 04:55:16,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 04:55:15" (1/3) ... [2024-01-26 04:55:16,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a3c40f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 04:55:16, skipping insertion in model container [2024-01-26 04:55:16,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 04:55:16" (2/3) ... [2024-01-26 04:55:16,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a3c40f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 04:55:16, skipping insertion in model container [2024-01-26 04:55:16,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 04:55:16" (3/3) ... [2024-01-26 04:55:16,455 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-dist.wvr.c [2024-01-26 04:55:16,461 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 04:55:16,467 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 04:55:16,468 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 04:55:16,468 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 04:55:16,520 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-26 04:55:16,559 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 04:55:16,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 04:55:16,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 04:55:16,563 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-01-26 04:55:16,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-01-26 04:55:16,588 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 04:55:16,593 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 04:55:16,597 INFO L357 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, mHoare=true, 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;@4aeae143, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 04:55:16,597 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-26 04:55:16,727 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:55:16,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:55:16,732 INFO L85 PathProgramCache]: Analyzing trace with hash -145964713, now seen corresponding path program 1 times [2024-01-26 04:55:16,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:55:16,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693911302] [2024-01-26 04:55:16,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:55:16,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:55:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:55:16,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:55:16,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:55:16,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693911302] [2024-01-26 04:55:16,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693911302] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 04:55:16,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 04:55:16,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 04:55:16,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943583248] [2024-01-26 04:55:16,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 04:55:16,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 04:55:16,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:55:16,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 04:55:16,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 04:55:16,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:16,970 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:55:16,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 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) [2024-01-26 04:55:16,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:17,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:17,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 04:55:17,038 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:55:17,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:55:17,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1934984838, now seen corresponding path program 1 times [2024-01-26 04:55:17,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:55:17,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190279657] [2024-01-26 04:55:17,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:55:17,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:55:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:55:17,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:55:17,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:55:17,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190279657] [2024-01-26 04:55:17,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190279657] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 04:55:17,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 04:55:17,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-01-26 04:55:17,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104661960] [2024-01-26 04:55:17,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 04:55:17,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-01-26 04:55:17,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:55:17,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-01-26 04:55:17,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-01-26 04:55:17,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:17,591 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:55:17,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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) [2024-01-26 04:55:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:17,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:17,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-26 04:55:17,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 04:55:17,660 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:55:17,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:55:17,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1970969397, now seen corresponding path program 1 times [2024-01-26 04:55:17,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:55:17,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399064502] [2024-01-26 04:55:17,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:55:17,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:55:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:55:18,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:55:18,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:55:18,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399064502] [2024-01-26 04:55:18,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399064502] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 04:55:18,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995137014] [2024-01-26 04:55:18,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:55:18,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 04:55:18,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 04:55:18,080 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 04:55:18,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-01-26 04:55:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:55:18,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 11 conjunts are in the unsatisfiable core [2024-01-26 04:55:18,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 04:55:19,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:55:19,094 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 04:55:20,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:55:20,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995137014] provided 1 perfect and 1 imperfect interpolant sequences [2024-01-26 04:55:20,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-01-26 04:55:20,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 7] total 12 [2024-01-26 04:55:20,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478308598] [2024-01-26 04:55:20,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 04:55:20,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-26 04:55:20,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:55:20,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-26 04:55:20,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-01-26 04:55:20,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:20,278 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:55:20,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 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) [2024-01-26 04:55:20,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:20,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-01-26 04:55:20,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:20,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:20,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-26 04:55:20,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 04:55:20,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-01-26 04:55:20,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-01-26 04:55:20,680 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:55:20,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:55:20,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1326330929, now seen corresponding path program 1 times [2024-01-26 04:55:20,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:55:20,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300347343] [2024-01-26 04:55:20,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:55:20,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:55:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:55:21,091 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:55:21,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:55:21,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300347343] [2024-01-26 04:55:21,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300347343] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 04:55:21,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456290778] [2024-01-26 04:55:21,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:55:21,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 04:55:21,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 04:55:21,093 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 04:55:21,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-01-26 04:55:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:55:21,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 24 conjunts are in the unsatisfiable core [2024-01-26 04:55:21,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 04:55:21,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:55:21,667 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 04:55:22,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:55:22,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456290778] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 04:55:22,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 04:55:22,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 12] total 32 [2024-01-26 04:55:22,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881166581] [2024-01-26 04:55:22,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 04:55:22,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-01-26 04:55:22,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:55:22,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-01-26 04:55:22,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-01-26 04:55:22,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:22,060 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:55:22,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.40625) internal successors, (141), 32 states have internal predecessors, (141), 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) [2024-01-26 04:55:22,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:22,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-01-26 04:55:22,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 04:55:22,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:23,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:23,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-26 04:55:23,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 04:55:23,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-01-26 04:55:23,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-01-26 04:55:24,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 04:55:24,157 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:55:24,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:55:24,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1408064737, now seen corresponding path program 2 times [2024-01-26 04:55:24,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:55:24,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898878399] [2024-01-26 04:55:24,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:55:24,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:55:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:55:24,803 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:55:24,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:55:24,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898878399] [2024-01-26 04:55:24,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898878399] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 04:55:24,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881064198] [2024-01-26 04:55:24,804 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 04:55:24,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 04:55:24,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 04:55:24,805 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 04:55:24,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-01-26 04:55:24,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 04:55:24,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 04:55:24,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 30 conjunts are in the unsatisfiable core [2024-01-26 04:55:24,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 04:55:25,380 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:55:25,380 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 04:55:26,131 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:55:26,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881064198] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 04:55:26,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 04:55:26,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 49 [2024-01-26 04:55:26,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917639035] [2024-01-26 04:55:26,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 04:55:26,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-01-26 04:55:26,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:55:26,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-01-26 04:55:26,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=2124, Unknown=0, NotChecked=0, Total=2352 [2024-01-26 04:55:26,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:26,134 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:55:26,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 3.816326530612245) internal successors, (187), 49 states have internal predecessors, (187), 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) [2024-01-26 04:55:26,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:26,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-01-26 04:55:26,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 04:55:26,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-01-26 04:55:26,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:26,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:26,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-26 04:55:26,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 04:55:26,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-01-26 04:55:26,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-01-26 04:55:26,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-01-26 04:55:27,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 04:55:27,171 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:55:27,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:55:27,171 INFO L85 PathProgramCache]: Analyzing trace with hash 217811058, now seen corresponding path program 3 times [2024-01-26 04:55:27,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:55:27,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044741771] [2024-01-26 04:55:27,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:55:27,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:55:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:55:27,972 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:55:27,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:55:27,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044741771] [2024-01-26 04:55:27,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044741771] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 04:55:27,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514500930] [2024-01-26 04:55:27,973 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 04:55:27,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 04:55:27,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 04:55:27,974 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 04:55:27,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-01-26 04:55:28,145 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-01-26 04:55:28,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 04:55:28,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 45 conjunts are in the unsatisfiable core [2024-01-26 04:55:28,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 04:55:28,890 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:55:28,891 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 04:55:30,256 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:55:30,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514500930] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 04:55:30,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 04:55:30,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 27, 26] total 66 [2024-01-26 04:55:30,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652029345] [2024-01-26 04:55:30,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 04:55:30,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-01-26 04:55:30,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:55:30,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-01-26 04:55:30,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=489, Invalid=3801, Unknown=0, NotChecked=0, Total=4290 [2024-01-26 04:55:30,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:30,261 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:55:30,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 3.287878787878788) internal successors, (217), 66 states have internal predecessors, (217), 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) [2024-01-26 04:55:30,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:30,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-01-26 04:55:30,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 04:55:30,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-01-26 04:55:30,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-01-26 04:55:30,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:34,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:34,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-26 04:55:34,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 04:55:34,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-01-26 04:55:34,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-01-26 04:55:34,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-01-26 04:55:34,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-01-26 04:55:34,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-01-26 04:55:34,448 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 04:55:34,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 04:55:34,448 INFO L85 PathProgramCache]: Analyzing trace with hash 2015035538, now seen corresponding path program 4 times [2024-01-26 04:55:34,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 04:55:34,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978293959] [2024-01-26 04:55:34,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 04:55:34,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 04:55:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 04:55:35,629 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 294 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:55:35,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 04:55:35,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978293959] [2024-01-26 04:55:35,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978293959] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 04:55:35,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34935660] [2024-01-26 04:55:35,630 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-01-26 04:55:35,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 04:55:35,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 04:55:35,631 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 04:55:35,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-01-26 04:55:35,770 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-01-26 04:55:35,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 04:55:35,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 69 conjunts are in the unsatisfiable core [2024-01-26 04:55:35,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 04:55:37,216 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 294 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:55:37,216 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 04:55:41,138 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 294 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 04:55:41,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34935660] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 04:55:41,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 04:55:41,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 101 [2024-01-26 04:55:41,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21628028] [2024-01-26 04:55:41,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 04:55:41,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-01-26 04:55:41,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 04:55:41,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-01-26 04:55:41,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1083, Invalid=9017, Unknown=0, NotChecked=0, Total=10100 [2024-01-26 04:55:41,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:41,143 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 04:55:41,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 3.0396039603960396) internal successors, (307), 101 states have internal predecessors, (307), 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) [2024-01-26 04:55:41,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:41,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-01-26 04:55:41,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 04:55:41,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-01-26 04:55:41,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-01-26 04:55:41,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-01-26 04:55:41,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 04:55:51,149 WARN L293 SmtUtils]: Spent 6.76s on a formula simplification. DAG size of input: 83 DAG size of output: 77 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 04:57:37,367 WARN L293 SmtUtils]: Spent 1.64m on a formula simplification. DAG size of input: 114 DAG size of output: 115 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 04:59:20,954 WARN L293 SmtUtils]: Spent 1.57m on a formula simplification. DAG size of input: 110 DAG size of output: 111 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:00:53,983 WARN L293 SmtUtils]: Spent 1.52m on a formula simplification. DAG size of input: 107 DAG size of output: 108 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:02:08,914 WARN L293 SmtUtils]: Spent 1.04m on a formula simplification. DAG size of input: 103 DAG size of output: 104 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:02:09,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:03:00,923 WARN L293 SmtUtils]: Spent 47.98s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:03:43,047 WARN L293 SmtUtils]: Spent 37.08s on a formula simplification that was a NOOP. DAG size: 95 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:04:06,985 WARN L293 SmtUtils]: Spent 21.50s on a formula simplification that was a NOOP. DAG size: 91 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:04:29,767 WARN L293 SmtUtils]: Spent 20.43s on a formula simplification that was a NOOP. DAG size: 86 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:04:44,378 WARN L293 SmtUtils]: Spent 11.61s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:04:53,141 WARN L293 SmtUtils]: Spent 6.38s on a formula simplification that was a NOOP. DAG size: 77 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:05:15,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:05:15,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-26 05:05:15,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:05:15,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-01-26 05:05:15,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-01-26 05:05:15,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-01-26 05:05:15,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-01-26 05:05:15,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-01-26 05:05:15,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:05:15,217 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:05:15,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:05:15,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1786841298, now seen corresponding path program 5 times [2024-01-26 05:05:15,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:05:15,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112160866] [2024-01-26 05:05:15,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:05:15,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:05:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:05:17,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 0 proven. 1296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:05:17,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:05:17,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112160866] [2024-01-26 05:05:17,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112160866] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:05:17,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786387571] [2024-01-26 05:05:17,642 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-01-26 05:05:17,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:05:17,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:05:17,643 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 05:05:17,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-01-26 05:06:13,847 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2024-01-26 05:06:13,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:06:13,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 116 conjunts are in the unsatisfiable core [2024-01-26 05:06:13,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:06:14,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 0 proven. 1296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:06:14,938 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:06:20,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 0 proven. 1296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:06:20,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786387571] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:06:20,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:06:20,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 61, 62] total 132 [2024-01-26 05:06:20,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780533414] [2024-01-26 05:06:20,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:06:20,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2024-01-26 05:06:20,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:06:20,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2024-01-26 05:06:20,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1606, Invalid=15686, Unknown=0, NotChecked=0, Total=17292 [2024-01-26 05:06:20,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:06:20,918 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:06:20,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 2.9242424242424243) internal successors, (386), 132 states have internal predecessors, (386), 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) [2024-01-26 05:06:20,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:06:20,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-01-26 05:06:20,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 05:06:20,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-01-26 05:06:20,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-01-26 05:06:20,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-01-26 05:06:20,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-01-26 05:06:20,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:08:27,599 WARN L293 SmtUtils]: Spent 38.28s on a formula simplification. DAG size of input: 123 DAG size of output: 117 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:08:29,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:08:31,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:08:33,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:08:35,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:08:37,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:08:40,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:08:43,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:08:45,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:08:46,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:08:48,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:08:51,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:08:55,489 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (mod c_~a~0 4294967296))) (let ((.cse0 (< (+ 4294967295 (* (div (+ (- 2) .cse2) 4294967296) 4294967296)) .cse2)) (.cse1 (< (+ 4294967297 (* (div (+ .cse2 (- 4294967295)) 4294967296) 4294967296)) .cse2))) (and (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 8) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 15) 4294967296) 4294967295) (< (mod (+ 19 |c_thread1Thread1of1ForFork2_#t~post1|) 4294967296) 4294967295) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 21) 4294967296) 4294967295) (or .cse0 .cse1 (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 1) 4294967296) .cse2)) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 5) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 16) 4294967296) 4294967295) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 13) 4294967296) 4294967295) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 6) 4294967296) 4294967295) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 15) 4294967296) 4294967295) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 16) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 21) 4294967296) 4294967295) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 2) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 22) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 1) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 6) 4294967296) 4294967295) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 12) 4294967296) 4294967295) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 14) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 12) 4294967296) 4294967295) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 11) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 8) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 4) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 13) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 2) 4294967296) 4294967295) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 18) 4294967296) 4294967295) (< (mod (+ 7 |c_thread1Thread1of1ForFork2_#t~post1|) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 9) 4294967296) 4294967295) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 17) 4294967296) 4294967295) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 22) 4294967296) 4294967295) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 4) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 17) 4294967296) 4294967295) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 9) 4294967296) 4294967295) (< (mod (+ 19 c_thread1Thread1of1ForFork2_~i~0) 4294967296) 4294967295) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 10) 4294967296) 4294967295) (< (mod (+ 23 |c_thread1Thread1of1ForFork2_#t~post1|) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 18) 4294967296) 4294967295) (< (mod (+ 5 c_thread1Thread1of1ForFork2_~i~0) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 10) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 14) 4294967296) 4294967295) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 20) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 20) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 3) 4294967296) 4294967295) (< (mod (+ |c_thread1Thread1of1ForFork2_#t~post1| 3) 4294967296) 4294967295) (< (mod (+ 7 c_thread1Thread1of1ForFork2_~i~0) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 11) 4294967296) 4294967295) (or .cse0 .cse1 (< (mod c_thread1Thread1of1ForFork2_~i~0 4294967296) .cse2))))) is different from false [2024-01-26 05:08:57,499 WARN L854 $PredicateComparison]: unable to prove that (and (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 15) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 16) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 21) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 22) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 1) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 6) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 12) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 8) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 4) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 13) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 2) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 9) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 17) 4294967296) 4294967295) (< (mod (+ 19 c_thread1Thread1of1ForFork2_~i~0) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 18) 4294967296) 4294967295) (< (mod (+ 5 c_thread1Thread1of1ForFork2_~i~0) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 10) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 14) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 20) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 3) 4294967296) 4294967295) (< (mod (+ 7 c_thread1Thread1of1ForFork2_~i~0) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 11) 4294967296) 4294967295) (let ((.cse0 (mod c_~a~0 4294967296))) (or (< (+ 4294967295 (* (div (+ (- 2) .cse0) 4294967296) 4294967296)) .cse0) (< (+ 4294967297 (* (div (+ .cse0 (- 4294967295)) 4294967296) 4294967296)) .cse0) (< (mod c_thread1Thread1of1ForFork2_~i~0 4294967296) .cse0)))) is different from false [2024-01-26 05:08:59,524 WARN L854 $PredicateComparison]: unable to prove that (and (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 15) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 16) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 21) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 22) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 6) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 12) 4294967296) 4294967295) (let ((.cse0 (mod c_~a~0 4294967296))) (or (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 1) 4294967296) .cse0) (< (+ 4294967295 (* (div (+ (- 2) .cse0) 4294967296) 4294967296)) .cse0) (< (+ 4294967297 (* (div (+ .cse0 (- 4294967295)) 4294967296) 4294967296)) .cse0))) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 8) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 4) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 13) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 2) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 9) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 17) 4294967296) 4294967295) (< (mod (+ 19 c_thread1Thread1of1ForFork2_~i~0) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 18) 4294967296) 4294967295) (< (mod (+ 5 c_thread1Thread1of1ForFork2_~i~0) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 10) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 14) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 20) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 3) 4294967296) 4294967295) (< (mod (+ 7 c_thread1Thread1of1ForFork2_~i~0) 4294967296) 4294967295) (< (mod (+ c_thread1Thread1of1ForFork2_~i~0 11) 4294967296) 4294967295)) is different from false Received shutdown request... [2024-01-26 05:09:49,375 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 05:09:49,375 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 05:09:49,375 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 05:09:49,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-01-26 05:09:49,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-01-26 05:09:49,771 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 206 known predicates. [2024-01-26 05:09:49,773 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 05:09:49,775 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1] [2024-01-26 05:09:49,776 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-01-26 05:09:49,777 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 05:09:49,777 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 05:09:49,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 05:09:49 BasicIcfg [2024-01-26 05:09:49,779 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 05:09:49,779 INFO L158 Benchmark]: Toolchain (without parser) took 873898.90ms. Allocated memory was 246.4MB in the beginning and 512.8MB in the end (delta: 266.3MB). Free memory was 193.6MB in the beginning and 285.9MB in the end (delta: -92.3MB). Peak memory consumption was 174.5MB. Max. memory is 8.0GB. [2024-01-26 05:09:49,779 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 201.3MB. Free memory is still 150.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-01-26 05:09:49,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.85ms. Allocated memory is still 246.4MB. Free memory was 193.1MB in the beginning and 181.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-01-26 05:09:49,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.58ms. Allocated memory is still 246.4MB. Free memory was 181.5MB in the beginning and 180.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 05:09:49,780 INFO L158 Benchmark]: Boogie Preprocessor took 22.42ms. Allocated memory is still 246.4MB. Free memory was 180.0MB in the beginning and 178.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-01-26 05:09:49,780 INFO L158 Benchmark]: RCFGBuilder took 329.35ms. Allocated memory is still 246.4MB. Free memory was 178.4MB in the beginning and 164.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-01-26 05:09:49,780 INFO L158 Benchmark]: TraceAbstraction took 873327.64ms. Allocated memory was 246.4MB in the beginning and 512.8MB in the end (delta: 266.3MB). Free memory was 163.7MB in the beginning and 285.9MB in the end (delta: -122.2MB). Peak memory consumption was 145.2MB. Max. memory is 8.0GB. [2024-01-26 05:09:49,781 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 201.3MB. Free memory is still 150.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 174.85ms. Allocated memory is still 246.4MB. Free memory was 193.1MB in the beginning and 181.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.58ms. Allocated memory is still 246.4MB. Free memory was 181.5MB in the beginning and 180.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.42ms. Allocated memory is still 246.4MB. Free memory was 180.0MB in the beginning and 178.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 329.35ms. Allocated memory is still 246.4MB. Free memory was 178.4MB in the beginning and 164.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 873327.64ms. Allocated memory was 246.4MB in the beginning and 512.8MB in the end (delta: 266.3MB). Free memory was 163.7MB in the beginning and 285.9MB in the end (delta: -122.2MB). Peak memory consumption was 145.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11823, independent: 11104, independent conditional: 11104, independent unconditional: 0, dependent: 719, dependent conditional: 719, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11104, independent: 11104, independent conditional: 11104, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11104, independent: 11104, independent conditional: 11104, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11104, independent: 11104, independent conditional: 0, independent unconditional: 11104, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11104, independent: 11104, independent conditional: 0, independent unconditional: 11104, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11104, independent: 11104, independent conditional: 0, independent unconditional: 11104, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 292, independent: 292, independent conditional: 0, independent unconditional: 292, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 292, independent: 292, independent conditional: 0, independent unconditional: 292, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11104, independent: 10812, independent conditional: 0, independent unconditional: 10812, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 292, unknown conditional: 0, unknown unconditional: 292] , Statistics on independence cache: Total cache size (in pairs): 292, Positive cache size: 292, Positive conditional cache size: 0, Positive unconditional cache size: 292, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 719 - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 206 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 142 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 873.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 789.7s, 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: 327, 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: 0.1s SsaConstructionTime, 57.0s SatisfiabilityAnalysisTime, 24.7s InterpolantComputationTime, 1663 NumberOfCodeBlocks, 1663 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 2396 ConstructedInterpolants, 0 QuantifiedInterpolants, 17063 SizeOfPredicates, 181 NumberOfNonLiveVariables, 1740 ConjunctsInSsa, 295 ConjunctsInUnsatCore, 20 InterpolantComputations, 3 PerfectInterpolantSequences, 2/5016 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown