/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 20:43:14,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 20:43:14,712 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 20:43:14,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 20:43:14,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 20:43:14,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 20:43:14,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 20:43:14,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 20:43:14,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 20:43:14,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 20:43:14,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 20:43:14,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 20:43:14,742 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 20:43:14,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 20:43:14,743 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 20:43:14,744 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 20:43:14,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 20:43:14,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 20:43:14,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 20:43:14,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 20:43:14,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 20:43:14,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 20:43:14,745 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 20:43:14,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 20:43:14,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 20:43:14,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 20:43:14,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 20:43:14,746 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 20:43:14,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 20:43:14,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 20:43:14,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 20:43:14,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 20:43:14,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 20:43:14,747 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 20:43:14,748 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 20:43:14,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 20:43:14,748 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 20:43:14,748 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 20:43:14,748 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 20:43:14,748 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-04 20:43:14,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 20:43:14,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 20:43:14,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 20:43:14,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 20:43:14,971 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 20:43:14,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-04-04 20:43:16,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 20:43:16,242 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 20:43:16,242 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-04-04 20:43:16,249 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6c5cceafd/3cf2feb4c444480ba2c7418bd834a525/FLAG307dadb8e [2024-04-04 20:43:16,266 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6c5cceafd/3cf2feb4c444480ba2c7418bd834a525 [2024-04-04 20:43:16,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 20:43:16,269 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 20:43:16,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 20:43:16,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 20:43:16,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 20:43:16,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:43:16" (1/1) ... [2024-04-04 20:43:16,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ffb6e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:43:16, skipping insertion in model container [2024-04-04 20:43:16,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:43:16" (1/1) ... [2024-04-04 20:43:16,298 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 20:43:16,407 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c[2957,2970] [2024-04-04 20:43:16,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 20:43:16,419 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 20:43:16,435 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c[2957,2970] [2024-04-04 20:43:16,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 20:43:16,441 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 20:43:16,441 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 20:43:16,446 INFO L206 MainTranslator]: Completed translation [2024-04-04 20:43:16,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:43:16 WrapperNode [2024-04-04 20:43:16,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 20:43:16,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 20:43:16,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 20:43:16,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 20:43:16,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:43:16" (1/1) ... [2024-04-04 20:43:16,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:43:16" (1/1) ... [2024-04-04 20:43:16,470 INFO L138 Inliner]: procedures = 22, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2024-04-04 20:43:16,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 20:43:16,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 20:43:16,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 20:43:16,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 20:43:16,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:43:16" (1/1) ... [2024-04-04 20:43:16,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:43:16" (1/1) ... [2024-04-04 20:43:16,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:43:16" (1/1) ... [2024-04-04 20:43:16,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:43:16" (1/1) ... [2024-04-04 20:43:16,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:43:16" (1/1) ... [2024-04-04 20:43:16,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:43:16" (1/1) ... [2024-04-04 20:43:16,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:43:16" (1/1) ... [2024-04-04 20:43:16,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:43:16" (1/1) ... [2024-04-04 20:43:16,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 20:43:16,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 20:43:16,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 20:43:16,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 20:43:16,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:43:16" (1/1) ... [2024-04-04 20:43:16,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 20:43:16,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:43:16,518 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) [2024-04-04 20:43:16,526 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 [2024-04-04 20:43:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 20:43:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 20:43:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 20:43:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 20:43:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 20:43:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 20:43:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 20:43:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 20:43:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 20:43:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 20:43:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 20:43:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 20:43:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 20:43:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 20:43:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 20:43:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 20:43:16,576 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 20:43:16,645 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 20:43:16,647 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 20:43:16,824 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 20:43:16,883 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 20:43:16,883 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-04 20:43:16,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:43:16 BoogieIcfgContainer [2024-04-04 20:43:16,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 20:43:16,886 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 20:43:16,886 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 20:43:16,890 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 20:43:16,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 08:43:16" (1/3) ... [2024-04-04 20:43:16,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1229aeb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:43:16, skipping insertion in model container [2024-04-04 20:43:16,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:43:16" (2/3) ... [2024-04-04 20:43:16,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1229aeb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:43:16, skipping insertion in model container [2024-04-04 20:43:16,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:43:16" (3/3) ... [2024-04-04 20:43:16,892 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2024-04-04 20:43:16,898 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 20:43:16,905 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 20:43:16,905 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 20:43:16,905 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 20:43:16,947 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-04 20:43:16,979 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 20:43:16,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 20:43:16,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:43:16,981 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) [2024-04-04 20:43:17,001 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 [2024-04-04 20:43:17,024 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 20:43:17,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:43:17,033 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 20:43:17,038 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@15f74858, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213 [2024-04-04 20:43:17,038 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-04 20:43:17,213 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 20:43:17,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:43:17,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1970604412, now seen corresponding path program 1 times [2024-04-04 20:43:17,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:43:17,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109800559] [2024-04-04 20:43:17,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:43:17,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:43:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:43:17,546 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-04-04 20:43:17,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:43:17,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109800559] [2024-04-04 20:43:17,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109800559] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:43:17,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:43:17,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 20:43:17,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467110588] [2024-04-04 20:43:17,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:43:17,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 20:43:17,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:43:17,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 20:43:17,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 20:43:17,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:17,722 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:43:17,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.5) internal successors, (95), 2 states have internal predecessors, (95), 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) [2024-04-04 20:43:17,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:17,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:17,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 20:43:17,775 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 20:43:17,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:43:17,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1182103125, now seen corresponding path program 1 times [2024-04-04 20:43:17,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:43:17,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203891760] [2024-04-04 20:43:17,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:43:17,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:43:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:43:21,726 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:43:21,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:43:21,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203891760] [2024-04-04 20:43:21,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203891760] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:43:21,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200622271] [2024-04-04 20:43:21,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:43:21,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:43:21,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:43:21,778 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) [2024-04-04 20:43:21,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 20:43:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:43:21,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 39 conjunts are in the unsatisfiable core [2024-04-04 20:43:21,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:43:23,597 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 47 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 20:43:23,597 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:43:24,421 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-04 20:43:24,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200622271] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:43:24,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:43:24,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 11] total 50 [2024-04-04 20:43:24,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664896810] [2024-04-04 20:43:24,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:43:24,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-04-04 20:43:24,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:43:24,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-04-04 20:43:24,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=2165, Unknown=0, NotChecked=0, Total=2450 [2024-04-04 20:43:24,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:24,507 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:43:24,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.8) internal successors, (240), 50 states have internal predecessors, (240), 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) [2024-04-04 20:43:24,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:24,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:32,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:43:32,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 20:43:32,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-04 20:43:33,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-04-04 20:43:33,037 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-04 20:43:33,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:43:33,038 INFO L85 PathProgramCache]: Analyzing trace with hash 738089604, now seen corresponding path program 2 times [2024-04-04 20:43:33,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:43:33,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243385855] [2024-04-04 20:43:33,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:43:33,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:43:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:43:33,735 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2024-04-04 20:43:33,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:43:33,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243385855] [2024-04-04 20:43:33,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243385855] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:43:33,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:43:33,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 20:43:33,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014516551] [2024-04-04 20:43:33,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:43:33,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 20:43:33,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:43:33,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1943738079, now seen corresponding path program 1 times [2024-04-04 20:43:33,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:43:33,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:43:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:43:34,091 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-04-04 20:43:34,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:43:34,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:43:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:43:35,970 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 41 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-04-04 20:43:36,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1152347623, now seen corresponding path program 2 times [2024-04-04 20:43:36,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:43:36,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:43:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:43:36,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 20:43:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:43:36,476 INFO L85 PathProgramCache]: Analyzing trace with hash 616109809, now seen corresponding path program 3 times [2024-04-04 20:43:36,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:43:36,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:43:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:43:36,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 20:43:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:43:36,781 INFO L85 PathProgramCache]: Analyzing trace with hash 2132378991, now seen corresponding path program 4 times [2024-04-04 20:43:36,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:43:36,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:43:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:43:36,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 20:43:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:43:37,407 INFO L85 PathProgramCache]: Analyzing trace with hash 347418765, now seen corresponding path program 5 times [2024-04-04 20:43:37,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:43:37,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:43:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:43:38,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 20:43:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:43:38,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1864897620, now seen corresponding path program 6 times [2024-04-04 20:43:38,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:43:38,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:43:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:43:38,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 20:43:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:43:39,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1977251044, now seen corresponding path program 7 times [2024-04-04 20:43:39,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:43:39,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:43:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2024-04-04 20:57:38,957 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-04 20:57:38,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-04-04 20:57:38,959 WARN L619 AbstractCegarLoop]: Verification canceled: while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-3-4-16-4-18-4-18-4-18-4-18-4-18-4-11-4-11-4-11-4-11-4-11-4-11-4-11-4-11-4-11-4-8-4-6-4-3-3-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-37-8-11-11-11-16-11-18-11-18-11-11-11-11-11-11-11-11-11-11-8-11-6-11-4-11-4-11-4-8-4-6-4-3-3-3-2-1 context. [2024-04-04 20:57:38,961 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-04 20:57:38,961 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-04 20:57:38,961 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-04 20:57:38,962 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 [2024-04-04 20:57:38,972 INFO L445 BasicCegarLoop]: Path program histogram: [7, 2, 1] [2024-04-04 20:57:38,973 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 [2024-04-04 20:57:38,976 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 20:57:38,976 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 20:57:38,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 08:57:38 BasicIcfg [2024-04-04 20:57:38,979 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 20:57:38,979 INFO L158 Benchmark]: Toolchain (without parser) took 862710.00ms. Allocated memory was 249.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 181.0MB in the beginning and 909.5MB in the end (delta: -728.5MB). Peak memory consumption was 905.0MB. Max. memory is 8.0GB. [2024-04-04 20:57:38,979 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 169.9MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 20:57:38,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.22ms. Allocated memory is still 249.6MB. Free memory was 180.8MB in the beginning and 168.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-04-04 20:57:38,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.72ms. Allocated memory is still 249.6MB. Free memory was 168.9MB in the beginning and 167.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 20:57:38,980 INFO L158 Benchmark]: Boogie Preprocessor took 18.38ms. Allocated memory is still 249.6MB. Free memory was 167.1MB in the beginning and 165.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 20:57:38,980 INFO L158 Benchmark]: RCFGBuilder took 394.66ms. Allocated memory is still 249.6MB. Free memory was 165.8MB in the beginning and 213.7MB in the end (delta: -47.9MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2024-04-04 20:57:38,981 INFO L158 Benchmark]: TraceAbstraction took 862092.30ms. Allocated memory was 249.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 212.7MB in the beginning and 909.5MB in the end (delta: -696.8MB). Peak memory consumption was 935.4MB. Max. memory is 8.0GB. [2024-04-04 20:57:38,982 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 169.9MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 175.22ms. Allocated memory is still 249.6MB. Free memory was 180.8MB in the beginning and 168.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.72ms. Allocated memory is still 249.6MB. Free memory was 168.9MB in the beginning and 167.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.38ms. Allocated memory is still 249.6MB. Free memory was 167.1MB in the beginning and 165.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 394.66ms. Allocated memory is still 249.6MB. Free memory was 165.8MB in the beginning and 213.7MB in the end (delta: -47.9MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 862092.30ms. Allocated memory was 249.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 212.7MB in the beginning and 909.5MB in the end (delta: -696.8MB). Peak memory consumption was 935.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7887, independent: 6477, independent conditional: 6013, independent unconditional: 464, dependent: 1410, dependent conditional: 1303, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6601, independent: 6477, independent conditional: 6013, independent unconditional: 464, dependent: 124, dependent conditional: 115, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6601, independent: 6477, independent conditional: 6013, independent unconditional: 464, dependent: 124, dependent conditional: 115, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6601, independent: 6477, independent conditional: 6013, independent unconditional: 464, dependent: 124, dependent conditional: 115, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6821, independent: 6477, independent conditional: 1043, independent unconditional: 5434, dependent: 344, dependent conditional: 86, dependent unconditional: 258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6821, independent: 6477, independent conditional: 868, independent unconditional: 5609, dependent: 344, dependent conditional: 33, dependent unconditional: 311, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6821, independent: 6477, independent conditional: 868, independent unconditional: 5609, dependent: 344, dependent conditional: 33, dependent unconditional: 311, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 565, independent: 523, independent conditional: 68, independent unconditional: 455, dependent: 42, dependent conditional: 28, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 565, independent: 509, independent conditional: 0, independent unconditional: 509, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 56, independent: 14, independent conditional: 14, independent unconditional: 0, dependent: 42, dependent conditional: 28, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, independent: 14, independent conditional: 14, independent unconditional: 0, dependent: 42, dependent conditional: 28, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 317, independent: 29, independent conditional: 29, independent unconditional: 0, dependent: 288, dependent conditional: 205, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6821, independent: 5954, independent conditional: 800, independent unconditional: 5154, dependent: 302, dependent conditional: 5, dependent unconditional: 297, unknown: 565, unknown conditional: 96, unknown unconditional: 469] , Statistics on independence cache: Total cache size (in pairs): 565, Positive cache size: 523, Positive conditional cache size: 68, Positive unconditional cache size: 455, Negative cache size: 42, Negative conditional cache size: 28, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 228, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6821, independent: 6477, independent conditional: 1043, independent unconditional: 5434, dependent: 344, dependent conditional: 86, dependent unconditional: 258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6821, independent: 6477, independent conditional: 868, independent unconditional: 5609, dependent: 344, dependent conditional: 33, dependent unconditional: 311, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6821, independent: 6477, independent conditional: 868, independent unconditional: 5609, dependent: 344, dependent conditional: 33, dependent unconditional: 311, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 565, independent: 523, independent conditional: 68, independent unconditional: 455, dependent: 42, dependent conditional: 28, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 565, independent: 509, independent conditional: 0, independent unconditional: 509, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 56, independent: 14, independent conditional: 14, independent unconditional: 0, dependent: 42, dependent conditional: 28, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, independent: 14, independent conditional: 14, independent unconditional: 0, dependent: 42, dependent conditional: 28, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 317, independent: 29, independent conditional: 29, independent unconditional: 0, dependent: 288, dependent conditional: 205, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6821, independent: 5954, independent conditional: 800, independent unconditional: 5154, dependent: 302, dependent conditional: 5, dependent unconditional: 297, unknown: 565, unknown conditional: 96, unknown unconditional: 469] , Statistics on independence cache: Total cache size (in pairs): 565, Positive cache size: 523, Positive conditional cache size: 68, Positive unconditional cache size: 455, Negative cache size: 42, Negative conditional cache size: 28, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 228 ], Independence queries for same thread: 1286 - TimeoutResultAtElement [Line: 118]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-3-4-16-4-18-4-18-4-18-4-18-4-18-4-11-4-11-4-11-4-11-4-11-4-11-4-11-4-11-4-11-4-8-4-6-4-3-3-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-37-8-11-11-11-16-11-18-11-18-11-11-11-11-11-11-11-11-11-11-8-11-6-11-4-11-4-11-4-8-4-6-4-3-3-3-2-1 context. - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-3-4-16-4-18-4-18-4-18-4-18-4-18-4-11-4-11-4-11-4-11-4-11-4-11-4-11-4-11-4-11-4-8-4-6-4-3-3-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-37-8-11-11-11-16-11-18-11-18-11-11-11-11-11-11-11-11-11-11-8-11-6-11-4-11-4-11-4-8-4-6-4-3-3-3-2-1 context. - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-3-4-16-4-18-4-18-4-18-4-18-4-18-4-11-4-11-4-11-4-11-4-11-4-11-4-11-4-11-4-11-4-8-4-6-4-3-3-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-37-8-11-11-11-16-11-18-11-18-11-11-11-11-11-11-11-11-11-11-8-11-6-11-4-11-4-11-4-8-4-6-4-3-3-3-2-1 context. - TimeoutResultAtElement [Line: 111]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-3-4-16-4-18-4-18-4-18-4-18-4-18-4-11-4-11-4-11-4-11-4-11-4-11-4-11-4-11-4-11-4-8-4-6-4-3-3-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-37-8-11-11-11-16-11-18-11-18-11-11-11-11-11-11-11-11-11-11-8-11-6-11-4-11-4-11-4-8-4-6-4-3-3-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 132 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 862.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 8.6s, 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: 98, 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, 0.5s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 537 NumberOfCodeBlocks, 537 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 647 ConstructedInterpolants, 0 QuantifiedInterpolants, 4680 SizeOfPredicates, 22 NumberOfNonLiveVariables, 254 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 663/770 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