/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-misc-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 00:55:43,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 00:55:43,432 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-26 00:55:43,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 00:55:43,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 00:55:43,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-26 00:55:43,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 00:55:43,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 00:55:43,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 00:55:43,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 00:55:43,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 00:55:43,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 00:55:43,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 00:55:43,462 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 00:55:43,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 00:55:43,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 00:55:43,463 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 00:55:43,463 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 00:55:43,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 00:55:43,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 00:55:43,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 00:55:43,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 00:55:43,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 00:55:43,465 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 00:55:43,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 00:55:43,466 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 00:55:43,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 00:55:43,467 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 00:55:43,467 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 00:55:43,467 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 00:55:43,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 00:55:43,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 00:55:43,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 00:55:43,468 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-26 00:55:43,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-26 00:55:43,469 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 00:55:43,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 00:55:43,469 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 00:55:43,469 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 00:55:43,469 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 00:55:43,469 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-26 00:55:43,470 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 00:55:43,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 00:55:43,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 00:55:43,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 00:55:43,757 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 00:55:43,758 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 00:55:43,759 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2024-01-26 00:55:45,064 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 00:55:45,289 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 00:55:45,289 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2024-01-26 00:55:45,298 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/edbfb9ff8/3be198a978fe4bdc8c65f60d9928a02d/FLAG2aa7b72dc [2024-01-26 00:55:45,316 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/edbfb9ff8/3be198a978fe4bdc8c65f60d9928a02d [2024-01-26 00:55:45,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 00:55:45,319 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 00:55:45,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 00:55:45,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 00:55:45,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 00:55:45,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 12:55:45" (1/1) ... [2024-01-26 00:55:45,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77654329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:45, skipping insertion in model container [2024-01-26 00:55:45,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 12:55:45" (1/1) ... [2024-01-26 00:55:45,357 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 00:55:45,560 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-misc-1.wvr.c[2781,2794] [2024-01-26 00:55:45,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 00:55:45,588 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 00:55:45,605 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-misc-1.wvr.c[2781,2794] [2024-01-26 00:55:45,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 00:55:45,621 INFO L206 MainTranslator]: Completed translation [2024-01-26 00:55:45,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:45 WrapperNode [2024-01-26 00:55:45,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 00:55:45,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 00:55:45,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 00:55:45,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 00:55:45,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:45" (1/1) ... [2024-01-26 00:55:45,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:45" (1/1) ... [2024-01-26 00:55:45,684 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 17, calls inlined = 31, statements flattened = 289 [2024-01-26 00:55:45,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 00:55:45,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 00:55:45,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 00:55:45,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 00:55:45,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:45" (1/1) ... [2024-01-26 00:55:45,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:45" (1/1) ... [2024-01-26 00:55:45,706 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:45" (1/1) ... [2024-01-26 00:55:45,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:45" (1/1) ... [2024-01-26 00:55:45,715 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:45" (1/1) ... [2024-01-26 00:55:45,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:45" (1/1) ... [2024-01-26 00:55:45,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:45" (1/1) ... [2024-01-26 00:55:45,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:45" (1/1) ... [2024-01-26 00:55:45,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 00:55:45,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 00:55:45,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 00:55:45,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 00:55:45,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:45" (1/1) ... [2024-01-26 00:55:45,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 00:55:45,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 00:55:45,797 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 00:55:45,827 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 00:55:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 00:55:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 00:55:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 00:55:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 00:55:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 00:55:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 00:55:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 00:55:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 00:55:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 00:55:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 00:55:45,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 00:55:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 00:55:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 00:55:45,839 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 00:55:45,972 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 00:55:45,974 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 00:55:46,555 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 00:55:46,580 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 00:55:46,580 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-01-26 00:55:46,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 12:55:46 BoogieIcfgContainer [2024-01-26 00:55:46,581 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 00:55:46,583 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 00:55:46,583 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 00:55:46,586 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 00:55:46,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 12:55:45" (1/3) ... [2024-01-26 00:55:46,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35927f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 12:55:46, skipping insertion in model container [2024-01-26 00:55:46,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:55:45" (2/3) ... [2024-01-26 00:55:46,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35927f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 12:55:46, skipping insertion in model container [2024-01-26 00:55:46,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 12:55:46" (3/3) ... [2024-01-26 00:55:46,588 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2024-01-26 00:55:46,594 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 00:55:46,602 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 00:55:46,602 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 00:55:46,603 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 00:55:46,732 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-26 00:55:46,790 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 00:55:46,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 00:55:46,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 00:55:46,794 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 00:55:46,809 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 00:55:46,840 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 00:55:46,849 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 00:55:46,854 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;@3a5c9261, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 00:55:46,854 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2024-01-26 01:06:56,728 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 01:06:56,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 01:06:56,734 INFO L85 PathProgramCache]: Analyzing trace with hash 882995243, now seen corresponding path program 1 times [2024-01-26 01:06:56,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 01:06:56,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315544501] [2024-01-26 01:06:56,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 01:06:56,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 01:06:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 01:06:57,227 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 01:06:57,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 01:06:57,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315544501] [2024-01-26 01:06:57,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315544501] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 01:06:57,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 01:06:57,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 01:06:57,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444278273] [2024-01-26 01:06:57,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 01:06:57,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 01:06:57,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 01:06:57,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 01:06:57,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 01:06:57,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 01:06:57,266 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 01:06:57,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 89.5) internal successors, (179), 2 states have internal predecessors, (179), 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 01:06:57,268 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 01:10:29,256 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 01:10:29,256 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 01:10:29,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 01:10:29,600 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2024-01-26 01:10:29,602 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 01:10:29,623 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-01-26 01:10:29,625 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2024-01-26 01:10:29,626 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 01:10:29,626 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 01:10:29,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 01:10:29 BasicIcfg [2024-01-26 01:10:29,629 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 01:10:29,630 INFO L158 Benchmark]: Toolchain (without parser) took 884309.99ms. Allocated memory was 256.9MB in the beginning and 349.2MB in the end (delta: 92.3MB). Free memory was 204.2MB in the beginning and 113.6MB in the end (delta: 90.7MB). Peak memory consumption was 234.3MB. Max. memory is 8.0GB. [2024-01-26 01:10:29,630 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 188.7MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-01-26 01:10:29,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.16ms. Allocated memory is still 256.9MB. Free memory was 204.2MB in the beginning and 191.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-01-26 01:10:29,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.31ms. Allocated memory is still 256.9MB. Free memory was 191.6MB in the beginning and 189.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 01:10:29,631 INFO L158 Benchmark]: Boogie Preprocessor took 68.70ms. Allocated memory is still 256.9MB. Free memory was 189.0MB in the beginning and 186.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 01:10:29,632 INFO L158 Benchmark]: RCFGBuilder took 826.49ms. Allocated memory is still 256.9MB. Free memory was 186.9MB in the beginning and 158.6MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2024-01-26 01:10:29,632 INFO L158 Benchmark]: TraceAbstraction took 883046.23ms. Allocated memory was 256.9MB in the beginning and 349.2MB in the end (delta: 92.3MB). Free memory was 157.5MB in the beginning and 113.6MB in the end (delta: 44.0MB). Peak memory consumption was 188.2MB. Max. memory is 8.0GB. [2024-01-26 01:10:29,636 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 188.7MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 300.16ms. Allocated memory is still 256.9MB. Free memory was 204.2MB in the beginning and 191.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.31ms. Allocated memory is still 256.9MB. Free memory was 191.6MB in the beginning and 189.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 68.70ms. Allocated memory is still 256.9MB. Free memory was 189.0MB in the beginning and 186.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 826.49ms. Allocated memory is still 256.9MB. Free memory was 186.9MB in the beginning and 158.6MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 883046.23ms. Allocated memory was 256.9MB in the beginning and 349.2MB in the end (delta: 92.3MB). Free memory was 157.5MB in the beginning and 113.6MB in the end (delta: 44.0MB). Peak memory consumption was 188.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 22171, independent: 21279, independent conditional: 21279, independent unconditional: 0, dependent: 892, dependent conditional: 892, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21279, independent: 21279, independent conditional: 21279, 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: 21279, independent: 21279, independent conditional: 21279, 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: 21279, independent: 21279, independent conditional: 0, independent unconditional: 21279, 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: 21279, independent: 21279, independent conditional: 0, independent unconditional: 21279, 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: 21279, independent: 21279, independent conditional: 0, independent unconditional: 21279, 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: 21279, independent: 21279, independent conditional: 0, independent unconditional: 21279, 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: 21279, independent: 21279, independent conditional: 0, independent unconditional: 21279, 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: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.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: 21279, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 21279, unknown conditional: 0, unknown unconditional: 21279] , Statistics on independence cache: Total cache size (in pairs): 21279, Positive cache size: 21279, Positive conditional cache size: 0, Positive unconditional cache size: 21279, 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: 892 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 630, Times there's more than one choice: 0, Avg number of choices: 1.0 - StatisticsResult: Reduction benchmarks 0.0s Time before loop, 669.8s Time in loop, 669.9s Time in total, Has Loop: true, Protected Variables: [write~init~int_#value, ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, thread2Thread1of1ForFork0_thidvar0, old(thread2Thread1of1ForFork0_thidvar0), thread2Thread1of1ForFork0_thidvar1, old(thread2Thread1of1ForFork0_thidvar1), thread2Thread1of1ForFork0_thidvar2, old(thread2Thread1of1ForFork0_thidvar2), write~int_#ptr.base, #Ultimate.allocOnHeap_#res.offset, ULTIMATE.start_main_#t~ret26#1.base, thread1_#res#1.base, thread2_#res#1.base, thread2Thread1of1ForFork0_~_argptr#1.base, thread1_plus_#res#1, thread2_plus_#res#1, thread1_#t~mem1#1, thread1_#t~mem3#1, thread1_#t~mem6#1, thread2_#t~mem9#1, thread2Thread1of1ForFork0_plus_#in~a#1, thread2Thread1of1ForFork0_plus_#in~b#1, ULTIMATE.start_main_#t~mem31#1, ULTIMATE.start_main_#t~mem32#1, ULTIMATE.start_main_#res#1, thread2Thread1of1ForFork0_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, ULTIMATE.start_create_fresh_int_array_~size#1, thread1_#t~ret2#1, thread1_#t~ret4#1, thread1_#t~ret5#1, thread1_#t~ret8#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, thread1Thread1of1ForFork1_#res#1.base, thread1_~_argptr#1.base, thread2_~_argptr#1.base, thread1Thread1of1ForFork1_plus_#res#1, thread1_plus_#in~a#1, thread2_plus_#in~a#1, thread1_plus_#in~b#1, thread2_plus_#in~b#1, thread1Thread1of1ForFork1_#t~mem1#1, thread1Thread1of1ForFork1_#t~mem3#1, read~int_#ptr.base, thread1Thread1of1ForFork1_#t~mem6#1, thread2Thread1of1ForFork0_#t~ret10#1, thread2Thread1of1ForFork0_#t~ret12#1, thread2Thread1of1ForFork0_#t~ret13#1, thread2Thread1of1ForFork0_#t~ret16#1, ULTIMATE.start_#t~ret36#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, thread1_#res#1.offset, thread2_#res#1.offset, ~sum1~0, old(~sum1~0), ~sum2~0, old(~sum2~0), thread2Thread1of1ForFork0_plus_~a#1, thread2Thread1of1ForFork0_plus_~b#1, ULTIMATE.start_create_fresh_int_array_#t~nondet35#1, thread1Thread1of1ForFork1_#t~ret2#1, thread1Thread1of1ForFork1_#t~ret4#1, thread1Thread1of1ForFork1_#t~ret5#1, thread1Thread1of1ForFork1_#t~ret8#1, thread1Thread1of1ForFork1_~_argptr#1.base, ULTIMATE.start_main_~#t2~0#1.offset, thread1Thread1of1ForFork1_plus_#in~a#1, thread1Thread1of1ForFork1_plus_#in~b#1, thread2_#t~ret10#1, thread2_#t~ret12#1, thread2_#t~ret13#1, thread2_#t~ret16#1, #Ultimate.allocOnStack_~size, thread1Thread1of1ForFork1_#res#1.offset, read~int_#sizeOfReadType, thread1_plus_~a#1, thread2_plus_~a#1, thread1_plus_~b#1, thread2_plus_~b#1, write~init~int_#sizeOfWrittenType, thread2Thread1of1ForFork0_~_argptr#1.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_create_fresh_int_array_#t~malloc33#1.base, thread1_#t~post7#1, thread1Thread1of1ForFork1_plus_~a#1, thread1Thread1of1ForFork1_plus_~b#1, ULTIMATE.start_main_#t~pre27#1, ULTIMATE.start_main_#t~pre29#1, #Ultimate.allocOnStack_#res.offset, thread2Thread1of1ForFork0_#in~_argptr#1.offset, ULTIMATE.dealloc_~addr.offset, thread1_~_argptr#1.offset, thread2_~_argptr#1.offset, write~int_#value, ~A~0.offset, old(~A~0.offset), write~init~int_#ptr.offset, ULTIMATE.dealloc_~addr.base, thread1Thread1of1ForFork1_thidvar0, old(thread1Thread1of1ForFork1_thidvar0), thread1Thread1of1ForFork1_thidvar1, old(thread1Thread1of1ForFork1_thidvar1), ULTIMATE.start_assume_abort_if_not_~cond#1, #pthreadsForks, old(#pthreadsForks), thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread1Thread1of1ForFork1_#t~post7#1, thread1_#in~_argptr#1.offset, thread2_#in~_argptr#1.offset, thread1Thread1of1ForFork1_~_argptr#1.offset, ~N~0, old(~N~0), #Ultimate.allocOnHeap_#res.base, ~i~0, old(~i~0), ~j~0, old(~j~0), thread2Thread1of1ForFork0_#in~_argptr#1.base, #valid, old(#valid), ~bag1~0, old(~bag1~0), ~bag2~0, old(~bag2~0), read~int_#value, #Ultimate.allocInit_~size, thread1_assume_abort_if_not_~cond#1, thread2_assume_abort_if_not_~cond#1, write~init~int_#ptr.base, thread2Thread1of1ForFork0_#t~post15#1, thread1Thread1of1ForFork1_#in~_argptr#1.offset, thread1_#in~_argptr#1.base, thread2_#in~_argptr#1.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_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, thread2_#t~post15#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~nondet30#1, #length, old(#length), thread1Thread1of1ForFork1_#in~_argptr#1.base, ULTIMATE.start_main_~#t2~0#1.base, write~int_#sizeOfWrittenType, ~A~0.base, old(~A~0.base), ~cap1~0, old(~cap1~0), ~cap2~0, old(~cap2~0), #StackHeapBarrier, old(#StackHeapBarrier), ULTIMATE.start_create_fresh_int_array_#t~post34#1, thread1_assume_abort_if_not_#in~cond#1, thread2_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~mem11#1, thread2Thread1of1ForFork0_#t~mem14#1, ULTIMATE.start_create_fresh_int_array_#t~malloc33#1.offset, write~int_#ptr.offset, #Ultimate.allocOnHeap_~size, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #memory_int, old(#memory_int), thread2_#t~mem11#1, #Ultimate.allocOnStack_#res.base, thread2_#t~mem14#1, thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_plus_#res#1, thread2Thread1of1ForFork0_#t~mem9#1, ULTIMATE.start_main_#t~ret26#1.offset, read~int_#ptr.offset, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset], Protected Variables before encountering a loop: [] - TimeoutResultAtElement [Line: 103]: 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 5 procedures, 622 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 882.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 882.2s, 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: 2, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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