/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/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 01:00:19,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 01:00:19,803 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-26 01:00:19,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 01:00:19,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 01:00:19,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-26 01:00:19,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 01:00:19,835 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 01:00:19,836 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 01:00:19,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 01:00:19,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 01:00:19,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 01:00:19,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 01:00:19,841 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 01:00:19,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 01:00:19,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 01:00:19,842 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 01:00:19,842 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 01:00:19,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 01:00:19,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 01:00:19,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 01:00:19,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 01:00:19,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 01:00:19,843 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 01:00:19,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 01:00:19,844 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 01:00:19,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 01:00:19,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 01:00:19,845 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 01:00:19,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 01:00:19,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 01:00:19,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 01:00:19,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 01:00:19,846 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-26 01:00:19,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-26 01:00:19,846 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 01:00:19,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 01:00:19,847 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 01:00:19,847 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 01:00:19,847 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 01:00:19,847 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-26 01:00:19,847 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 01:00:20,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 01:00:20,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 01:00:20,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 01:00:20,107 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 01:00:20,108 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 01:00:20,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2024-01-26 01:00:21,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 01:00:21,397 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 01:00:21,398 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2024-01-26 01:00:21,404 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/df3e0ce78/2e13c41ad80b4e85bd632ab49500fe58/FLAG02e1dd7cc [2024-01-26 01:00:21,421 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/df3e0ce78/2e13c41ad80b4e85bd632ab49500fe58 [2024-01-26 01:00:21,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 01:00:21,424 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 01:00:21,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 01:00:21,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 01:00:21,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 01:00:21,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 01:00:21" (1/1) ... [2024-01-26 01:00:21,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a817f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:00:21, skipping insertion in model container [2024-01-26 01:00:21,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 01:00:21" (1/1) ... [2024-01-26 01:00:21,456 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 01:00:21,605 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/parallel-parallel-sum-1.wvr.c[3694,3707] [2024-01-26 01:00:21,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 01:00:21,626 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 01:00:21,658 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/parallel-parallel-sum-1.wvr.c[3694,3707] [2024-01-26 01:00:21,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 01:00:21,673 INFO L206 MainTranslator]: Completed translation [2024-01-26 01:00:21,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:00:21 WrapperNode [2024-01-26 01:00:21,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 01:00:21,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 01:00:21,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 01:00:21,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 01:00:21,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:00:21" (1/1) ... [2024-01-26 01:00:21,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:00:21" (1/1) ... [2024-01-26 01:00:21,723 INFO L138 Inliner]: procedures = 27, calls = 68, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 315 [2024-01-26 01:00:21,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 01:00:21,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 01:00:21,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 01:00:21,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 01:00:21,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:00:21" (1/1) ... [2024-01-26 01:00:21,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:00:21" (1/1) ... [2024-01-26 01:00:21,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:00:21" (1/1) ... [2024-01-26 01:00:21,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:00:21" (1/1) ... [2024-01-26 01:00:21,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:00:21" (1/1) ... [2024-01-26 01:00:21,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:00:21" (1/1) ... [2024-01-26 01:00:21,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:00:21" (1/1) ... [2024-01-26 01:00:21,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:00:21" (1/1) ... [2024-01-26 01:00:21,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 01:00:21,769 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 01:00:21,769 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 01:00:21,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 01:00:21,770 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:00:21" (1/1) ... [2024-01-26 01:00:21,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 01:00:21,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:00:21,793 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 01:00:21,815 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 01:00:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 01:00:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 01:00:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 01:00:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 01:00:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 01:00:21,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 01:00:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 01:00:21,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 01:00:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 01:00:21,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 01:00:21,824 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-26 01:00:21,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-26 01:00:21,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 01:00:21,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 01:00:21,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 01:00:21,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 01:00:21,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 01:00:21,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 01:00:21,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 01:00:21,827 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 01:00:21,923 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 01:00:21,924 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 01:00:22,364 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 01:00:22,542 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 01:00:22,542 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2024-01-26 01:00:22,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 01:00:22 BoogieIcfgContainer [2024-01-26 01:00:22,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 01:00:22,546 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 01:00:22,546 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 01:00:22,549 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 01:00:22,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 01:00:21" (1/3) ... [2024-01-26 01:00:22,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d35534c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 01:00:22, skipping insertion in model container [2024-01-26 01:00:22,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 01:00:21" (2/3) ... [2024-01-26 01:00:22,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d35534c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 01:00:22, skipping insertion in model container [2024-01-26 01:00:22,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 01:00:22" (3/3) ... [2024-01-26 01:00:22,554 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2024-01-26 01:00:22,562 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 01:00:22,570 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 01:00:22,570 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 01:00:22,570 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 01:00:22,651 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-26 01:00:22,699 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 01:00:22,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 01:00:22,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:00:22,702 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 01:00:22,760 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 01:00:22,787 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 01:00:22,795 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 01:00:22,801 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=LoopsAndPotentialCycles, 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;@41142747, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 01:00:22,801 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2024-01-26 01:00:22,860 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:00:22,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:00:22,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1713943874, now seen corresponding path program 1 times [2024-01-26 01:00:22,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:00:22,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642461928] [2024-01-26 01:00:22,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:00:22,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:00:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:00:23,184 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 01:00:23,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:00:23,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642461928] [2024-01-26 01:00:23,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642461928] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:00:23,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 01:00:23,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 01:00:23,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636721110] [2024-01-26 01:00:23,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:00:23,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 01:00:23,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:00:23,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 01:00:23,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 01:00:23,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:00:23,209 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:00:23,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 85.0) internal successors, (170), 2 states have internal predecessors, (170), 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 01:00:23,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:00:23,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:00:23,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 01:00:23,268 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:00:23,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:00:23,269 INFO L85 PathProgramCache]: Analyzing trace with hash -790556676, now seen corresponding path program 1 times [2024-01-26 01:00:23,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:00:23,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440859313] [2024-01-26 01:00:23,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:00:23,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:00:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:00:23,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 01:00:23,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:00:23,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440859313] [2024-01-26 01:00:23,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440859313] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:00:23,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 01:00:23,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-01-26 01:00:23,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120416785] [2024-01-26 01:00:23,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:00:23,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-01-26 01:00:23,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:00:23,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-01-26 01:00:23,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-01-26 01:00:23,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:00:23,814 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:00:23,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 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 01:00:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:00:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:00:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:00:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 01:00:23,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 01:00:23,969 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:00:23,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:00:23,970 INFO L85 PathProgramCache]: Analyzing trace with hash 296452058, now seen corresponding path program 1 times [2024-01-26 01:00:23,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:00:23,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80527251] [2024-01-26 01:00:23,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:00:23,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:00:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:00:24,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 01:00:24,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:00:24,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80527251] [2024-01-26 01:00:24,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80527251] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:00:24,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060663811] [2024-01-26 01:00:24,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:00:24,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:00:24,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:00:24,446 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 01:00:24,500 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 01:00:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:00:24,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 12 conjunts are in the unsatisfiable core [2024-01-26 01:00:24,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:00:24,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 01:00:24,975 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 01:00:25,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 01:00:25,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060663811] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 01:00:25,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 01:00:25,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-01-26 01:00:25,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584715005] [2024-01-26 01:00:25,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 01:00:25,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-01-26 01:00:25,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:00:25,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-01-26 01:00:25,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2024-01-26 01:00:25,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:00:25,207 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:00:25,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 11.833333333333334) internal successors, (284), 24 states have internal predecessors, (284), 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 01:00:25,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:00:25,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 01:00:25,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:00:25,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:00:25,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 01:00:25,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 01:00:25,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-01-26 01:00:25,737 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 01:00:25,737 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:00:25,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:00:25,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1311854734, now seen corresponding path program 2 times [2024-01-26 01:00:25,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:00:25,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472264563] [2024-01-26 01:00:25,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:00:25,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:00:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:00:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-26 01:00:26,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:00:26,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472264563] [2024-01-26 01:00:26,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472264563] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:00:26,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055762760] [2024-01-26 01:00:26,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 01:00:26,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:00:26,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:00:26,156 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 01:00:26,181 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 01:00:26,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 01:00:26,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 01:00:26,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 18 conjunts are in the unsatisfiable core [2024-01-26 01:00:26,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:00:26,748 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-26 01:00:26,748 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 01:00:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-26 01:00:27,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055762760] provided 1 perfect and 1 imperfect interpolant sequences [2024-01-26 01:00:27,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-01-26 01:00:27,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15, 15] total 34 [2024-01-26 01:00:27,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926253334] [2024-01-26 01:00:27,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:00:27,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-01-26 01:00:27,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:00:27,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-01-26 01:00:27,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=939, Unknown=0, NotChecked=0, Total=1122 [2024-01-26 01:00:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:00:27,088 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:00:27,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.866666666666667) internal successors, (193), 15 states have internal predecessors, (193), 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 01:00:27,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:00:27,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 01:00:27,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 01:00:27,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:01:03,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:01:03,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 01:01:03,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 01:01:03,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-01-26 01:01:03,838 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 01:01:04,023 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 01:01:04,023 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:01:04,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:01:04,024 INFO L85 PathProgramCache]: Analyzing trace with hash -329017538, now seen corresponding path program 1 times [2024-01-26 01:01:04,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:01:04,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961526342] [2024-01-26 01:01:04,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:01:04,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:01:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:01:04,436 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-01-26 01:01:04,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:01:04,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961526342] [2024-01-26 01:01:04,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961526342] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:01:04,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 01:01:04,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-01-26 01:01:04,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145225813] [2024-01-26 01:01:04,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:01:04,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-01-26 01:01:04,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:01:04,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-01-26 01:01:04,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-01-26 01:01:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:01:04,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:01:04,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 8 states have internal predecessors, (178), 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 01:01:04,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:01:04,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 01:01:04,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 01:01:04,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-01-26 01:01:04,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2024-01-26 01:01:37,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:01:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-26 01:01:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-01-26 01:01:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-01-26 01:01:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-01-26 01:01:37,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-26 01:01:37,974 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:01:37,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:01:37,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1505414696, now seen corresponding path program 1 times [2024-01-26 01:01:37,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:01:37,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789758267] [2024-01-26 01:01:37,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:01:37,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:01:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:01:38,473 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-01-26 01:01:38,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:01:38,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789758267] [2024-01-26 01:01:38,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789758267] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 01:01:38,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922177263] [2024-01-26 01:01:38,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:01:38,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:01:38,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 01:01:38,475 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 01:01:38,488 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 01:01:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:01:38,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 37 conjunts are in the unsatisfiable core [2024-01-26 01:01:38,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 01:01:39,283 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 01:01:39,284 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 01:01:40,151 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 01:01:40,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922177263] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 01:01:40,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 01:01:40,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19, 19] total 47 [2024-01-26 01:01:40,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296172440] [2024-01-26 01:01:40,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 01:01:40,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-01-26 01:01:40,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:01:40,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-01-26 01:01:40,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=336, Invalid=1826, Unknown=0, NotChecked=0, Total=2162 [2024-01-26 01:01:40,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:01:40,154 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:01:40,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 9.893617021276595) internal successors, (465), 47 states have internal predecessors, (465), 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 01:01:40,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:01:40,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-26 01:01:40,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-01-26 01:01:40,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-01-26 01:01:40,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-01-26 01:01:40,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Received shutdown request... [2024-01-26 01:15:00,370 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 01:15:00,382 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 01:15:00,383 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 01:15:00,645 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 01:15:00,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 01:15:00,842 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2024-01-26 01:15:00,844 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 01:15:00,885 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-01-26 01:15:00,887 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/5) [2024-01-26 01:15:00,888 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 01:15:00,888 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 01:15:00,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 01:15:00 BasicIcfg [2024-01-26 01:15:00,891 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 01:15:00,891 INFO L158 Benchmark]: Toolchain (without parser) took 879467.31ms. Allocated memory was 213.9MB in the beginning and 533.7MB in the end (delta: 319.8MB). Free memory was 164.2MB in the beginning and 248.8MB in the end (delta: -84.6MB). Peak memory consumption was 459.9MB. Max. memory is 8.0GB. [2024-01-26 01:15:00,891 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 213.9MB. Free memory is still 162.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-01-26 01:15:00,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.78ms. Allocated memory is still 213.9MB. Free memory was 164.0MB in the beginning and 151.0MB in the end (delta: 13.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-01-26 01:15:00,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.75ms. Allocated memory is still 213.9MB. Free memory was 151.0MB in the beginning and 148.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 01:15:00,892 INFO L158 Benchmark]: Boogie Preprocessor took 45.32ms. Allocated memory is still 213.9MB. Free memory was 148.3MB in the beginning and 145.8MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-01-26 01:15:00,892 INFO L158 Benchmark]: RCFGBuilder took 773.86ms. Allocated memory was 213.9MB in the beginning and 335.5MB in the end (delta: 121.6MB). Free memory was 145.8MB in the beginning and 272.9MB in the end (delta: -127.1MB). Peak memory consumption was 30.0MB. Max. memory is 8.0GB. [2024-01-26 01:15:00,892 INFO L158 Benchmark]: TraceAbstraction took 878344.63ms. Allocated memory was 335.5MB in the beginning and 533.7MB in the end (delta: 198.2MB). Free memory was 271.9MB in the beginning and 248.8MB in the end (delta: 23.1MB). Peak memory consumption was 444.6MB. Max. memory is 8.0GB. [2024-01-26 01:15:00,893 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 213.9MB. Free memory is still 162.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 247.78ms. Allocated memory is still 213.9MB. Free memory was 164.0MB in the beginning and 151.0MB in the end (delta: 13.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.75ms. Allocated memory is still 213.9MB. Free memory was 151.0MB in the beginning and 148.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.32ms. Allocated memory is still 213.9MB. Free memory was 148.3MB in the beginning and 145.8MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 773.86ms. Allocated memory was 213.9MB in the beginning and 335.5MB in the end (delta: 121.6MB). Free memory was 145.8MB in the beginning and 272.9MB in the end (delta: -127.1MB). Peak memory consumption was 30.0MB. Max. memory is 8.0GB. * TraceAbstraction took 878344.63ms. Allocated memory was 335.5MB in the beginning and 533.7MB in the end (delta: 198.2MB). Free memory was 271.9MB in the beginning and 248.8MB in the end (delta: 23.1MB). Peak memory consumption was 444.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 40443, independent: 37624, independent conditional: 37624, independent unconditional: 0, dependent: 2819, dependent conditional: 2819, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37827, independent: 37624, independent conditional: 37624, independent unconditional: 0, dependent: 203, dependent conditional: 203, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 37827, independent: 37624, independent conditional: 37624, independent unconditional: 0, dependent: 203, dependent conditional: 203, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38919, independent: 37624, independent conditional: 0, independent unconditional: 37624, dependent: 1295, dependent conditional: 1092, dependent unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 38919, independent: 37624, independent conditional: 0, independent unconditional: 37624, dependent: 1295, dependent conditional: 0, dependent unconditional: 1295, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 38919, independent: 37624, independent conditional: 0, independent unconditional: 37624, dependent: 1295, dependent conditional: 0, dependent unconditional: 1295, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37827, independent: 37624, independent conditional: 0, independent unconditional: 37624, dependent: 203, dependent conditional: 0, dependent unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37827, independent: 37624, independent conditional: 0, independent unconditional: 37624, dependent: 203, dependent conditional: 0, dependent unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 203, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 203, dependent conditional: 0, dependent unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 203, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 203, dependent conditional: 0, dependent unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 203, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 203, dependent conditional: 0, dependent unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 491, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 491, dependent conditional: 0, dependent unconditional: 491, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 38919, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1092, dependent conditional: 0, dependent unconditional: 1092, unknown: 37827, unknown conditional: 0, unknown unconditional: 37827] , Statistics on independence cache: Total cache size (in pairs): 37827, Positive cache size: 37624, Positive conditional cache size: 0, Positive unconditional cache size: 37624, Negative cache size: 203, Negative conditional cache size: 0, Negative unconditional cache size: 203, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1092, Maximal queried relation: 6, Independence queries for same thread: 2616 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 11, RedundantProofs: 4, ProvenStates: 2692, Times there's more than one choice: 2654, Avg number of choices: 5.280832095096582 - StatisticsResult: Reduction benchmarks 0.0s Time before loop, 33.5s Time in loop, 33.5s Time in total, Has Loop: true, Protected Variables: [write~init~int_#value, ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_create_fresh_int_array_~i~0#1, ULTIMATE.start_create_fresh_int_array_#t~malloc39#1.offset, thread3Thread1of1ForFork0_plus_~a#1, thread3Thread1of1ForFork0_plus_~b#1, thread4Thread1of1ForFork2_#in~_argptr#1.offset, write~int_#ptr.base, #Ultimate.allocOnHeap_#res.offset, thread2Thread1of1ForFork3_#t~ret8#1, ULTIMATE.start_main_#t~ret26#1.base, thread1_#res#1.base, thread2_#res#1.base, thread3_#res#1.base, thread4_#res#1.base, thread2Thread1of1ForFork3_~_argptr#1.base, thread1_plus_#res#1, thread2_plus_#res#1, thread3_plus_#res#1, thread4_plus_#res#1, thread1_#t~mem3#1, thread2_#t~mem7#1, thread2Thread1of1ForFork3_plus_#in~a#1, thread2Thread1of1ForFork3_plus_#in~b#1, ULTIMATE.start_main_#t~mem35#1, ULTIMATE.start_main_#t~mem36#1, ULTIMATE.start_main_#t~mem37#1, ULTIMATE.start_main_#t~mem38#1, ULTIMATE.start_main_#res#1, thread2Thread1of1ForFork3_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, ULTIMATE.start_create_fresh_int_array_~size#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, ULTIMATE.start_create_fresh_int_array_#t~malloc39#1.base, thread1_#t~ret4#1, ULTIMATE.start_main_~#t3~0#1.offset, thread2_#t~ret8#1, thread3Thread1of1ForFork0_~_argptr#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, thread4Thread1of1ForFork2_#in~_argptr#1.base, thread1Thread1of1ForFork1_#res#1.base, thread1_~_argptr#1.base, thread2_~_argptr#1.base, thread3_~_argptr#1.base, thread4_~_argptr#1.base, thread1Thread1of1ForFork1_plus_#res#1, thread1_plus_#in~a#1, thread2_plus_#in~a#1, thread3_plus_#in~a#1, thread4_plus_#in~a#1, thread1_plus_#in~b#1, thread2_plus_#in~b#1, thread3_plus_#in~b#1, thread4_plus_#in~b#1, thread1Thread1of1ForFork1_#t~mem3#1, read~int_#ptr.base, ULTIMATE.start_#t~ret42#1, thread3Thread1of1ForFork0_thidvar0, old(thread3Thread1of1ForFork0_thidvar0), thread3Thread1of1ForFork0_thidvar1, old(thread3Thread1of1ForFork0_thidvar1), thread3Thread1of1ForFork0_thidvar2, old(thread3Thread1of1ForFork0_thidvar2), thread3Thread1of1ForFork0_thidvar3, old(thread3Thread1of1ForFork0_thidvar3), ULTIMATE.start_create_fresh_int_array_#in~size#1, thread1_#res#1.offset, thread2_#res#1.offset, thread3_#res#1.offset, thread4_#res#1.offset, thread2Thread1of1ForFork3_plus_~a#1, thread2Thread1of1ForFork3_plus_~b#1, thread4Thread1of1ForFork2_#t~post14#1, ULTIMATE.start_create_fresh_int_array_#t~nondet41#1, thread3Thread1of1ForFork0_#in~_argptr#1.offset, thread1Thread1of1ForFork1_#t~ret4#1, thread1Thread1of1ForFork1_~_argptr#1.base, ULTIMATE.start_main_~#t2~0#1.offset, thread4_#t~nondet13#1, thread1Thread1of1ForFork1_plus_#in~a#1, thread1Thread1of1ForFork1_plus_#in~b#1, thread3_#t~ret12#1, thread4_#t~ret16#1, #Ultimate.allocOnStack_~size, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork1_#res#1.offset, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post6#1, read~int_#sizeOfReadType, thread1_plus_~a#1, thread2_plus_~a#1, thread3_plus_~a#1, thread4_plus_~a#1, thread1_plus_~b#1, thread2_plus_~b#1, thread3_plus_~b#1, thread4_plus_~b#1, write~init~int_#sizeOfWrittenType, ~t11~0, old(~t11~0), ~t12~0, old(~t12~0), ~t21~0, old(~t21~0), ~t22~0, old(~t22~0), thread2Thread1of1ForFork3_~_argptr#1.offset, thread3Thread1of1ForFork0_#in~_argptr#1.base, ~i1~0, old(~i1~0), ~i2~0, old(~i2~0), ULTIMATE.start_main_~#t1~0#1.offset, ~s1~0, old(~s1~0), ~s2~0, old(~s2~0), thread1_#t~post2#1, thread2_#t~post6#1, thread1Thread1of1ForFork1_plus_~a#1, thread1Thread1of1ForFork1_plus_~b#1, thread3Thread1of1ForFork0_#t~post10#1, ULTIMATE.start_main_#t~pre27#1, ULTIMATE.start_main_#t~pre29#1, ULTIMATE.start_main_#t~pre31#1, #Ultimate.allocOnStack_#res.offset, ULTIMATE.start_main_#t~pre33#1, thread2Thread1of1ForFork3_#in~_argptr#1.offset, ULTIMATE.dealloc_~addr.offset, ~x~0.offset, old(~x~0.offset), thread1_~_argptr#1.offset, thread2_~_argptr#1.offset, thread3_~_argptr#1.offset, thread4_~_argptr#1.offset, write~int_#value, thread4Thread1of1ForFork2_#t~mem15#1, write~init~int_#ptr.offset, ULTIMATE.dealloc_~addr.base, thread1Thread1of1ForFork1_thidvar0, old(thread1Thread1of1ForFork1_thidvar0), thread1Thread1of1ForFork1_thidvar1, old(thread1Thread1of1ForFork1_thidvar1), thread3Thread1of1ForFork0_#t~nondet9#1, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, ULTIMATE.start_assume_abort_if_not_~cond#1, #pthreadsForks, old(#pthreadsForks), thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread1Thread1of1ForFork1_#t~post2#1, thread4Thread1of1ForFork2_thidvar0, old(thread4Thread1of1ForFork2_thidvar0), thread4Thread1of1ForFork2_thidvar1, old(thread4Thread1of1ForFork2_thidvar1), thread4Thread1of1ForFork2_thidvar2, old(thread4Thread1of1ForFork2_thidvar2), thread4Thread1of1ForFork2_thidvar3, old(thread4Thread1of1ForFork2_thidvar3), thread4Thread1of1ForFork2_thidvar4, old(thread4Thread1of1ForFork2_thidvar4), thread1_#in~_argptr#1.offset, thread2_#in~_argptr#1.offset, thread3_#in~_argptr#1.offset, thread4_#in~_argptr#1.offset, thread1Thread1of1ForFork1_~_argptr#1.offset, #Ultimate.allocOnHeap_#res.base, ~n~0, old(~n~0), thread2Thread1of1ForFork3_#in~_argptr#1.base, #valid, old(#valid), thread4Thread1of1ForFork2_#res#1.base, read~int_#value, #Ultimate.allocInit_~size, thread4Thread1of1ForFork2_plus_#res#1, thread1_assume_abort_if_not_~cond#1, thread2_assume_abort_if_not_~cond#1, thread3_assume_abort_if_not_~cond#1, thread4_assume_abort_if_not_~cond#1, write~init~int_#ptr.base, ~x~0.base, old(~x~0.base), thread1Thread1of1ForFork1_#in~_argptr#1.offset, thread3Thread1of1ForFork0_#t~mem11#1, thread1_#in~_argptr#1.base, thread2_#in~_argptr#1.base, thread3_#in~_argptr#1.base, thread4_#in~_argptr#1.base, thread4Thread1of1ForFork2_~_argptr#1.base, thread4Thread1of1ForFork2_plus_#in~a#1, thread4Thread1of1ForFork2_plus_#in~b#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#t~nondet5#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, #Ultimate.allocInit_ptrBase, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_#t~nondet19#1, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet20#1, ULTIMATE.start_main_#t~nondet21#1, ULTIMATE.start_main_#t~nondet22#1, ULTIMATE.start_main_#t~nondet23#1, ULTIMATE.start_main_#t~nondet24#1, ULTIMATE.start_main_#t~nondet25#1, ULTIMATE.start_main_#t~nondet28#1, thread3_#t~post10#1, thread4_#t~post14#1, thread4Thread1of1ForFork2_#res#1.offset, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~nondet30#1, ULTIMATE.start_main_#t~nondet32#1, ULTIMATE.start_main_#t~nondet34#1, #length, old(#length), thread1Thread1of1ForFork1_#in~_argptr#1.base, ULTIMATE.start_main_~#t2~0#1.base, write~int_#sizeOfWrittenType, thread3Thread1of1ForFork0_#res#1.base, thread3Thread1of1ForFork0_plus_#res#1, thread4Thread1of1ForFork2_#t~nondet13#1, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, old(#StackHeapBarrier), thread2Thread1of1ForFork3_thidvar0, old(thread2Thread1of1ForFork3_thidvar0), thread2Thread1of1ForFork3_thidvar1, old(thread2Thread1of1ForFork3_thidvar1), thread2Thread1of1ForFork3_thidvar2, old(thread2Thread1of1ForFork3_thidvar2), thread1_#t~nondet1#1, thread2_#t~nondet5#1, thread4Thread1of1ForFork2_#t~ret16#1, thread3_#t~nondet9#1, thread1_assume_abort_if_not_#in~cond#1, thread2_assume_abort_if_not_#in~cond#1, thread3_assume_abort_if_not_#in~cond#1, thread4_assume_abort_if_not_#in~cond#1, ULTIMATE.start_create_fresh_int_array_#t~post40#1, ULTIMATE.start_main_~#t4~0#1.base, thread4Thread1of1ForFork2_plus_~a#1, thread4Thread1of1ForFork2_plus_~b#1, thread3Thread1of1ForFork0_~_argptr#1.base, thread3Thread1of1ForFork0_plus_#in~a#1, thread3Thread1of1ForFork0_plus_#in~b#1, write~int_#ptr.offset, #Ultimate.allocOnHeap_~size, thread1Thread1of1ForFork1_#t~nondet1#1, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #memory_int, old(#memory_int), thread3Thread1of1ForFork0_#res#1.offset, thread3_#t~mem11#1, #Ultimate.allocOnStack_#res.base, thread4_#t~mem15#1, thread4Thread1of1ForFork2_~_argptr#1.offset, thread2Thread1of1ForFork3_#res#1.base, thread2Thread1of1ForFork3_plus_#res#1, thread2Thread1of1ForFork3_#t~mem7#1, ULTIMATE.start_main_#t~ret26#1.offset, thread3Thread1of1ForFork0_#t~ret12#1, read~int_#ptr.offset, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset], Protected Variables before encountering a loop: [] - TimeoutResultAtElement [Line: 136]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 9 procedures, 251 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 878.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 871.3s, 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: 107, 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, 0.5s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1703 NumberOfCodeBlocks, 1703 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2270 ConstructedInterpolants, 0 QuantifiedInterpolants, 9247 SizeOfPredicates, 58 NumberOfNonLiveVariables, 1382 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 172/319 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