/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/popl20-simple-queue.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 02:05:50,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 02:05:50,442 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-26 02:05:50,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 02:05:50,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 02:05:50,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-26 02:05:50,462 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 02:05:50,463 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 02:05:50,463 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 02:05:50,463 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 02:05:50,464 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 02:05:50,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 02:05:50,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 02:05:50,465 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 02:05:50,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 02:05:50,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 02:05:50,466 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 02:05:50,470 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 02:05:50,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 02:05:50,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 02:05:50,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 02:05:50,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 02:05:50,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 02:05:50,476 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 02:05:50,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 02:05:50,477 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 02:05:50,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 02:05:50,477 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 02:05:50,478 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 02:05:50,478 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 02:05:50,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 02:05:50,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 02:05:50,479 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 02:05:50,479 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-26 02:05:50,479 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-26 02:05:50,479 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 02:05:50,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 02:05:50,480 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 02:05:50,481 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 02:05:50,481 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 02:05:50,481 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-26 02:05:50,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 02:05:50,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 02:05:50,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 02:05:50,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 02:05:50,709 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 02:05:50,710 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 02:05:50,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-simple-queue.wvr.c [2024-01-26 02:05:51,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 02:05:51,972 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 02:05:51,972 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-queue.wvr.c [2024-01-26 02:05:51,982 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0bcea9205/5b50c35ffed149c193ce8fa5482f1a72/FLAG12813ab7e [2024-01-26 02:05:52,003 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0bcea9205/5b50c35ffed149c193ce8fa5482f1a72 [2024-01-26 02:05:52,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 02:05:52,007 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 02:05:52,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 02:05:52,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 02:05:52,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 02:05:52,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 02:05:52" (1/1) ... [2024-01-26 02:05:52,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@464cf806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:05:52, skipping insertion in model container [2024-01-26 02:05:52,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 02:05:52" (1/1) ... [2024-01-26 02:05:52,041 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 02:05:52,205 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/popl20-simple-queue.wvr.c[2464,2477] [2024-01-26 02:05:52,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 02:05:52,223 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 02:05:52,238 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/popl20-simple-queue.wvr.c[2464,2477] [2024-01-26 02:05:52,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 02:05:52,253 INFO L206 MainTranslator]: Completed translation [2024-01-26 02:05:52,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:05:52 WrapperNode [2024-01-26 02:05:52,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 02:05:52,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 02:05:52,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 02:05:52,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 02:05:52,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:05:52" (1/1) ... [2024-01-26 02:05:52,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:05:52" (1/1) ... [2024-01-26 02:05:52,295 INFO L138 Inliner]: procedures = 24, calls = 33, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 135 [2024-01-26 02:05:52,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 02:05:52,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 02:05:52,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 02:05:52,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 02:05:52,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:05:52" (1/1) ... [2024-01-26 02:05:52,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:05:52" (1/1) ... [2024-01-26 02:05:52,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:05:52" (1/1) ... [2024-01-26 02:05:52,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:05:52" (1/1) ... [2024-01-26 02:05:52,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:05:52" (1/1) ... [2024-01-26 02:05:52,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:05:52" (1/1) ... [2024-01-26 02:05:52,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:05:52" (1/1) ... [2024-01-26 02:05:52,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:05:52" (1/1) ... [2024-01-26 02:05:52,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 02:05:52,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 02:05:52,341 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 02:05:52,341 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 02:05:52,342 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:05:52" (1/1) ... [2024-01-26 02:05:52,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 02:05:52,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 02:05:52,385 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 02:05:52,412 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 02:05:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 02:05:52,418 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 02:05:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 02:05:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 02:05:52,419 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 02:05:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 02:05:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 02:05:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 02:05:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 02:05:52,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 02:05:52,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 02:05:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 02:05:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 02:05:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 02:05:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 02:05:52,423 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 02:05:52,536 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 02:05:52,538 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 02:05:52,766 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 02:05:52,841 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 02:05:52,842 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-01-26 02:05:52,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 02:05:52 BoogieIcfgContainer [2024-01-26 02:05:52,842 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 02:05:52,844 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 02:05:52,844 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 02:05:52,847 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 02:05:52,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 02:05:52" (1/3) ... [2024-01-26 02:05:52,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7e60c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 02:05:52, skipping insertion in model container [2024-01-26 02:05:52,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 02:05:52" (2/3) ... [2024-01-26 02:05:52,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7e60c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 02:05:52, skipping insertion in model container [2024-01-26 02:05:52,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 02:05:52" (3/3) ... [2024-01-26 02:05:52,849 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-queue.wvr.c [2024-01-26 02:05:52,857 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 02:05:52,866 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 02:05:52,866 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 02:05:52,866 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 02:05:52,920 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-26 02:05:52,975 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 02:05:52,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 02:05:52,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 02:05:52,977 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 02:05:52,981 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 02:05:53,020 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 02:05:53,028 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 02:05:53,033 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;@6542fe68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 02:05:53,033 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2024-01-26 02:05:53,081 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 02:05:53,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 02:05:53,085 INFO L85 PathProgramCache]: Analyzing trace with hash 733614988, now seen corresponding path program 1 times [2024-01-26 02:05:53,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 02:05:53,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017881267] [2024-01-26 02:05:53,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:05:53,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 02:05:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:05:53,299 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 02:05:53,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 02:05:53,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017881267] [2024-01-26 02:05:53,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017881267] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 02:05:53,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 02:05:53,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 02:05:53,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034534262] [2024-01-26 02:05:53,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 02:05:53,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 02:05:53,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 02:05:53,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 02:05:53,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 02:05:53,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:05:53,340 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 02:05:53,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 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 02:05:53,342 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 02:05:53,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:05:53,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 02:05:53,405 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 02:05:53,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 02:05:53,406 INFO L85 PathProgramCache]: Analyzing trace with hash -598423581, now seen corresponding path program 1 times [2024-01-26 02:05:53,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 02:05:53,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071340681] [2024-01-26 02:05:53,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:05:53,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 02:05:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:05:53,858 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 02:05:53,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 02:05:53,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071340681] [2024-01-26 02:05:53,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071340681] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 02:05:53,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 02:05:53,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-01-26 02:05:53,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168715874] [2024-01-26 02:05:53,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 02:05:53,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-26 02:05:53,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 02:05:53,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-26 02:05:53,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-01-26 02:05:53,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:05:53,866 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 02:05:53,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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 02:05:53,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:05:53,867 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 02:05:54,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:05:54,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 02:05:54,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 02:05:54,001 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 02:05:54,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 02:05:54,002 INFO L85 PathProgramCache]: Analyzing trace with hash -263358872, now seen corresponding path program 1 times [2024-01-26 02:05:54,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 02:05:54,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807653361] [2024-01-26 02:05:54,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:05:54,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 02:05:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:05:54,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 02:05:54,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 02:05:54,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807653361] [2024-01-26 02:05:54,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807653361] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 02:05:54,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 02:05:54,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 02:05:54,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896629003] [2024-01-26 02:05:54,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 02:05:54,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 02:05:54,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 02:05:54,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 02:05:54,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 02:05:54,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:05:54,188 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 02:05:54,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 02:05:54,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:05:54,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 02:05:54,188 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 02:05:54,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:05:54,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 02:05:54,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 02:05:54,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-26 02:05:54,264 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 02:05:54,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 02:05:54,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1835507843, now seen corresponding path program 1 times [2024-01-26 02:05:54,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 02:05:54,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739220131] [2024-01-26 02:05:54,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:05:54,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 02:05:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:05:55,260 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 02:05:55,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 02:05:55,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739220131] [2024-01-26 02:05:55,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739220131] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 02:05:55,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169738696] [2024-01-26 02:05:55,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:05:55,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 02:05:55,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 02:05:55,306 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 02:05:55,335 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 02:05:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:05:55,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 23 conjunts are in the unsatisfiable core [2024-01-26 02:05:55,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 02:05:56,088 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 02:05:56,088 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 02:05:56,246 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-01-26 02:05:56,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 11 [2024-01-26 02:05:57,078 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 02:05:57,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169738696] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 02:05:57,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 02:05:57,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13, 12] total 30 [2024-01-26 02:05:57,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90203746] [2024-01-26 02:05:57,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 02:05:57,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-01-26 02:05:57,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 02:05:57,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-01-26 02:05:57,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=721, Unknown=0, NotChecked=0, Total=870 [2024-01-26 02:05:57,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:05:57,090 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 02:05:57,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.5) internal successors, (225), 30 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 02:05:57,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:05:57,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 02:05:57,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 02:05:57,091 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 02:05:58,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:05:58,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 02:05:58,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 02:05:58,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-01-26 02:05:58,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-01-26 02:05:58,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 02:05:58,379 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 02:05:58,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 02:05:58,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1678954112, now seen corresponding path program 2 times [2024-01-26 02:05:58,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 02:05:58,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511448699] [2024-01-26 02:05:58,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:05:58,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 02:05:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:05:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-01-26 02:05:58,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 02:05:58,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511448699] [2024-01-26 02:05:58,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511448699] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 02:05:58,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049039468] [2024-01-26 02:05:58,489 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 02:05:58,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 02:05:58,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 02:05:58,491 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 02:05:58,510 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 02:05:58,593 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 02:05:58,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 02:05:58,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 4 conjunts are in the unsatisfiable core [2024-01-26 02:05:58,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 02:05:58,690 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-01-26 02:05:58,690 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 02:05:58,949 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-01-26 02:05:58,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049039468] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 02:05:58,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 02:05:58,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5] total 7 [2024-01-26 02:05:58,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186186699] [2024-01-26 02:05:58,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 02:05:58,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-01-26 02:05:58,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 02:05:58,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-01-26 02:05:58,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-01-26 02:05:58,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:05:58,952 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 02:05:58,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 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 02:05:58,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:05:58,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 02:05:58,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 02:05:58,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-01-26 02:05:58,953 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 02:05:59,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:05:59,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-26 02:05:59,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 02:05:59,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-01-26 02:05:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-26 02:05:59,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-01-26 02:05:59,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 02:05:59,272 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 02:05:59,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 02:05:59,273 INFO L85 PathProgramCache]: Analyzing trace with hash 2124879003, now seen corresponding path program 3 times [2024-01-26 02:05:59,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 02:05:59,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547200051] [2024-01-26 02:05:59,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 02:05:59,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 02:05:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 02:06:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 02:06:00,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 02:06:00,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547200051] [2024-01-26 02:06:00,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547200051] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 02:06:00,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136368548] [2024-01-26 02:06:00,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 02:06:00,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 02:06:00,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 02:06:00,808 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 02:06:00,826 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 02:06:01,000 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-01-26 02:06:01,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 02:06:01,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 13 conjunts are in the unsatisfiable core [2024-01-26 02:06:01,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 02:06:01,371 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-01-26 02:06:01,371 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 02:06:01,631 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-01-26 02:06:01,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 11 [2024-01-26 02:06:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-01-26 02:06:01,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136368548] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 02:06:01,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 02:06:01,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 9, 9] total 32 [2024-01-26 02:06:01,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177344669] [2024-01-26 02:06:01,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 02:06:01,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-01-26 02:06:01,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 02:06:01,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-01-26 02:06:01,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=850, Unknown=0, NotChecked=0, Total=992 [2024-01-26 02:06:01,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:06:01,930 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 02:06:01,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 8.8125) internal successors, (282), 32 states have internal predecessors, (282), 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 02:06:01,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 02:06:01,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-01-26 02:06:01,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-01-26 02:06:01,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-01-26 02:06:01,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-01-26 02:06:01,931 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 02:20:28,539 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 02:20:28,539 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 02:20:28,539 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 02:20:28,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-01-26 02:20:28,805 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 02:20:28,805 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2024-01-26 02:20:28,814 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 02:20:28,844 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2024-01-26 02:20:28,846 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2024-01-26 02:20:28,847 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 02:20:28,847 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 02:20:28,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 02:20:28 BasicIcfg [2024-01-26 02:20:28,853 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 02:20:28,853 INFO L158 Benchmark]: Toolchain (without parser) took 876846.29ms. Allocated memory was 273.7MB in the beginning and 475.0MB in the end (delta: 201.3MB). Free memory was 222.5MB in the beginning and 281.9MB in the end (delta: -59.4MB). Peak memory consumption was 335.9MB. Max. memory is 8.0GB. [2024-01-26 02:20:28,854 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 194.0MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-01-26 02:20:28,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.82ms. Allocated memory is still 273.7MB. Free memory was 222.5MB in the beginning and 210.9MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-01-26 02:20:28,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.95ms. Allocated memory is still 273.7MB. Free memory was 210.4MB in the beginning and 208.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-01-26 02:20:28,854 INFO L158 Benchmark]: Boogie Preprocessor took 44.27ms. Allocated memory is still 273.7MB. Free memory was 208.8MB in the beginning and 207.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 02:20:28,854 INFO L158 Benchmark]: RCFGBuilder took 501.20ms. Allocated memory is still 273.7MB. Free memory was 207.3MB in the beginning and 185.8MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-01-26 02:20:28,855 INFO L158 Benchmark]: TraceAbstraction took 876008.79ms. Allocated memory was 273.7MB in the beginning and 475.0MB in the end (delta: 201.3MB). Free memory was 185.2MB in the beginning and 281.9MB in the end (delta: -96.6MB). Peak memory consumption was 298.1MB. Max. memory is 8.0GB. [2024-01-26 02:20:28,856 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 194.0MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 244.82ms. Allocated memory is still 273.7MB. Free memory was 222.5MB in the beginning and 210.9MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.95ms. Allocated memory is still 273.7MB. Free memory was 210.4MB in the beginning and 208.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.27ms. Allocated memory is still 273.7MB. Free memory was 208.8MB in the beginning and 207.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 501.20ms. Allocated memory is still 273.7MB. Free memory was 207.3MB in the beginning and 185.8MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 876008.79ms. Allocated memory was 273.7MB in the beginning and 475.0MB in the end (delta: 201.3MB). Free memory was 185.2MB in the beginning and 281.9MB in the end (delta: -96.6MB). Peak memory consumption was 298.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 22268, independent: 20550, independent conditional: 20550, independent unconditional: 0, dependent: 1718, dependent conditional: 1718, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20599, independent: 20550, independent conditional: 20550, independent unconditional: 0, dependent: 49, dependent conditional: 49, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 20599, independent: 20550, independent conditional: 20550, independent unconditional: 0, dependent: 49, dependent conditional: 49, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20893, independent: 20550, independent conditional: 0, independent unconditional: 20550, dependent: 343, dependent conditional: 294, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20893, independent: 20550, independent conditional: 0, independent unconditional: 20550, dependent: 343, dependent conditional: 0, dependent unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20893, independent: 20550, independent conditional: 0, independent unconditional: 20550, dependent: 343, dependent conditional: 0, dependent unconditional: 343, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20599, independent: 20550, independent conditional: 0, independent unconditional: 20550, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20599, independent: 20550, independent conditional: 0, independent unconditional: 20550, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 122, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 122, dependent conditional: 0, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 20893, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 294, dependent conditional: 0, dependent unconditional: 294, unknown: 20599, unknown conditional: 0, unknown unconditional: 20599] , Statistics on independence cache: Total cache size (in pairs): 20599, Positive cache size: 20550, Positive conditional cache size: 0, Positive unconditional cache size: 20550, Negative cache size: 49, Negative conditional cache size: 0, Negative unconditional cache size: 49, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 294, Maximal queried relation: 6, Independence queries for same thread: 1669 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 8, RedundantProofs: 4, ProvenStates: 2214, Times there's more than one choice: 1846, Avg number of choices: 4.883017163504968 - StatisticsResult: Reduction benchmarks 0.0s Time before loop, 0.1s Time in loop, 0.1s 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~0#1, thread2Thread1of1ForFork0_thidvar0, old(thread2Thread1of1ForFork0_thidvar0), thread2Thread1of1ForFork0_thidvar1, old(thread2Thread1of1ForFork0_thidvar1), thread2Thread1of1ForFork0_thidvar2, old(thread2Thread1of1ForFork0_thidvar2), write~int_#ptr.base, #Ultimate.allocOnHeap_#res.offset, thread1_#res#1.base, thread2_#res#1.base, ULTIMATE.start_main_#t~mem14#1, ULTIMATE.start_main_#t~mem15#1, thread2Thread1of1ForFork0_~_argptr#1.base, thread1_#t~mem2#1, thread2_#t~mem5#1, ULTIMATE.start_create_fresh_int_array_#t~malloc16#1.offset, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_create_fresh_int_array_#t~malloc16#1.base, thread2Thread1of1ForFork0_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, ULTIMATE.start_create_fresh_int_array_~size#1, ~queue~0.offset, old(~queue~0.offset), ULTIMATE.start_main_#t~ret9#1.base, ULTIMATE.start_create_fresh_int_array_#res#1.offset, thread1Thread1of1ForFork1_#res#1.base, thread1_~_argptr#1.base, thread2_~_argptr#1.base, thread1Thread1of1ForFork1_#t~mem2#1, read~int_#ptr.base, ULTIMATE.start_#t~ret19#1, ~front~0, old(~front~0), ULTIMATE.start_create_fresh_int_array_#in~size#1, thread1_#res#1.offset, thread2_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#t~nondet18#1, thread1Thread1of1ForFork1_~_argptr#1.base, ULTIMATE.start_main_~#t2~0#1.offset, #Ultimate.allocOnStack_~size, thread1Thread1of1ForFork1_#res#1.offset, thread2Thread1of1ForFork0_#t~post6#1, read~int_#sizeOfReadType, write~init~int_#sizeOfWrittenType, thread2Thread1of1ForFork0_~_argptr#1.offset, ULTIMATE.start_main_~#t1~0#1.offset, thread1_#t~post3#1, thread2_#t~post6#1, ULTIMATE.start_main_#t~pre10#1, ULTIMATE.start_main_#t~pre12#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, 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~post3#1, thread1_#in~_argptr#1.offset, thread2_#in~_argptr#1.offset, thread1Thread1of1ForFork1_~_argptr#1.offset, #Ultimate.allocOnHeap_#res.base, ~n~0, old(~n~0), ~x~0, old(~x~0), thread2Thread1of1ForFork0_#in~_argptr#1.base, #valid, old(#valid), ~back~0, old(~back~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, ULTIMATE.start_main_#t~ret9#1.offset, 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_#t~nondet4#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, #Ultimate.allocInit_ptrBase, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~nondet13#1, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1, ULTIMATE.start_main_~#t1~0#1.base, #length, old(#length), ~queue~0.base, old(~queue~0.base), thread1Thread1of1ForFork1_#in~_argptr#1.base, ULTIMATE.start_main_~#t2~0#1.base, write~int_#sizeOfWrittenType, ULTIMATE.start_create_fresh_int_array_#t~post17#1, #StackHeapBarrier, old(#StackHeapBarrier), thread1_#t~nondet1#1, thread2_#t~nondet4#1, thread1_assume_abort_if_not_#in~cond#1, thread2_assume_abort_if_not_#in~cond#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), #Ultimate.allocOnStack_#res.base, thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_#t~mem5#1, read~int_#ptr.offset, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset], Protected Variables before encountering a loop: [] - TimeoutResultAtElement [Line: 86]: 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, 136 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 875.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 868.2s, 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: 86, 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, 0.4s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 1017 NumberOfCodeBlocks, 1009 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1367 ConstructedInterpolants, 43 QuantifiedInterpolants, 8905 SizeOfPredicates, 31 NumberOfNonLiveVariables, 806 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 163/259 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