/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-mult-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 20:30:40,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 20:30:40,229 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 20:30:40,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 20:30:40,232 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 20:30:40,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 20:30:40,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 20:30:40,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 20:30:40,258 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 20:30:40,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 20:30:40,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 20:30:40,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 20:30:40,262 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 20:30:40,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 20:30:40,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 20:30:40,264 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 20:30:40,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 20:30:40,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 20:30:40,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 20:30:40,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 20:30:40,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 20:30:40,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 20:30:40,265 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 20:30:40,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 20:30:40,265 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 20:30:40,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 20:30:40,265 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 20:30:40,266 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 20:30:40,266 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 20:30:40,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 20:30:40,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 20:30:40,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 20:30:40,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 20:30:40,267 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 20:30:40,267 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 20:30:40,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 20:30:40,268 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 20:30:40,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 20:30:40,268 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 20:30:40,268 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-04 20:30:40,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 20:30:40,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 20:30:40,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 20:30:40,523 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 20:30:40,525 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 20:30:40,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-04-04 20:30:41,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 20:30:41,727 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 20:30:41,727 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-04-04 20:30:41,738 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/93ba11f65/66ec952b994d4bb69aa0e9de8314e73e/FLAG3e6047496 [2024-04-04 20:30:41,752 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/93ba11f65/66ec952b994d4bb69aa0e9de8314e73e [2024-04-04 20:30:41,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 20:30:41,757 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 20:30:41,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 20:30:41,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 20:30:41,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 20:30:41,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:30:41" (1/1) ... [2024-04-04 20:30:41,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b185287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:30:41, skipping insertion in model container [2024-04-04 20:30:41,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:30:41" (1/1) ... [2024-04-04 20:30:41,786 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 20:30:41,912 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-mult-equiv.wvr.c[2591,2604] [2024-04-04 20:30:41,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 20:30:41,922 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 20:30:41,937 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-mult-equiv.wvr.c[2591,2604] [2024-04-04 20:30:41,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 20:30:41,943 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 20:30:41,943 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 20:30:41,949 INFO L206 MainTranslator]: Completed translation [2024-04-04 20:30:41,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:30:41 WrapperNode [2024-04-04 20:30:41,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 20:30:41,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 20:30:41,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 20:30:41,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 20:30:41,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:30:41" (1/1) ... [2024-04-04 20:30:41,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:30:41" (1/1) ... [2024-04-04 20:30:41,991 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2024-04-04 20:30:41,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 20:30:41,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 20:30:41,992 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 20:30:41,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 20:30:41,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:30:41" (1/1) ... [2024-04-04 20:30:41,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:30:41" (1/1) ... [2024-04-04 20:30:42,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:30:41" (1/1) ... [2024-04-04 20:30:42,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:30:41" (1/1) ... [2024-04-04 20:30:42,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:30:41" (1/1) ... [2024-04-04 20:30:42,006 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:30:41" (1/1) ... [2024-04-04 20:30:42,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:30:41" (1/1) ... [2024-04-04 20:30:42,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:30:41" (1/1) ... [2024-04-04 20:30:42,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 20:30:42,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 20:30:42,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 20:30:42,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 20:30:42,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:30:41" (1/1) ... [2024-04-04 20:30:42,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 20:30:42,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:30:42,036 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 20:30:42,041 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 20:30:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 20:30:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 20:30:42,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 20:30:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 20:30:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 20:30:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 20:30:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 20:30:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 20:30:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 20:30:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 20:30:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 20:30:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 20:30:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 20:30:42,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 20:30:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 20:30:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 20:30:42,075 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 20:30:42,184 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 20:30:42,186 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 20:30:42,432 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 20:30:42,500 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 20:30:42,500 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-04 20:30:42,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:30:42 BoogieIcfgContainer [2024-04-04 20:30:42,502 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 20:30:42,503 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 20:30:42,504 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 20:30:42,506 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 20:30:42,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 08:30:41" (1/3) ... [2024-04-04 20:30:42,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67daa292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:30:42, skipping insertion in model container [2024-04-04 20:30:42,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:30:41" (2/3) ... [2024-04-04 20:30:42,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67daa292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:30:42, skipping insertion in model container [2024-04-04 20:30:42,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:30:42" (3/3) ... [2024-04-04 20:30:42,507 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2024-04-04 20:30:42,513 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 20:30:42,520 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 20:30:42,520 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 20:30:42,520 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 20:30:42,572 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-04 20:30:42,635 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 20:30:42,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 20:30:42,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:30:42,664 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 20:30:42,697 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 20:30:42,709 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 20:30:42,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:30:42,720 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 20:30:42,726 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;@72db2c42, 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 20:30:42,726 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-04 20:30:43,927 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 20:30:43,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:30:43,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1121987728, now seen corresponding path program 1 times [2024-04-04 20:30:43,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:30:43,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492475571] [2024-04-04 20:30:43,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:30:43,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:30:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:30:44,177 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-04 20:30:44,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:30:44,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492475571] [2024-04-04 20:30:44,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492475571] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:30:44,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:30:44,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 20:30:44,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758758504] [2024-04-04 20:30:44,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:30:44,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 20:30:44,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:30:44,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 20:30:44,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 20:30:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:30:44,343 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:30:44,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 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 20:30:44,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:30:44,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:30:44,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 20:30:44,406 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 20:30:44,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:30:44,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1005987980, now seen corresponding path program 1 times [2024-04-04 20:30:44,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:30:44,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874019469] [2024-04-04 20:30:44,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:30:44,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:30:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:30:44,953 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 20:30:44,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:30:44,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874019469] [2024-04-04 20:30:44,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874019469] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:30:44,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:30:44,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 20:30:44,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428596525] [2024-04-04 20:30:44,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:30:44,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 20:30:44,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:30:45,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 20:30:45,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-04-04 20:30:45,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:30:45,011 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:30:45,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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 20:30:45,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:30:45,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:30:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:30:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 20:30:45,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 20:30:45,116 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 20:30:45,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:30:45,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1498311593, now seen corresponding path program 1 times [2024-04-04 20:30:45,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:30:45,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926640654] [2024-04-04 20:30:45,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:30:45,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:30:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:30:46,385 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:30:46,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:30:46,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926640654] [2024-04-04 20:30:46,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926640654] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:30:46,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873222859] [2024-04-04 20:30:46,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:30:46,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:30:46,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:30:46,430 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 20:30:46,448 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 20:30:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:30:46,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 20:30:46,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:30:47,553 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 20:30:47,553 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:30:49,184 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:30:49,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873222859] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:30:49,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:30:49,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 33 [2024-04-04 20:30:49,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846927403] [2024-04-04 20:30:49,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:30:49,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-04 20:30:49,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:30:49,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-04 20:30:49,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=894, Unknown=0, NotChecked=0, Total=1056 [2024-04-04 20:30:49,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:30:49,268 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:30:49,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.484848484848484) internal successors, (148), 33 states have internal predecessors, (148), 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 20:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 20:30:49,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:31:05,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:31:05,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 20:31:05,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-04 20:31:05,062 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 20:31:05,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-04 20:31:05,259 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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 20:31:05,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:31:05,259 INFO L85 PathProgramCache]: Analyzing trace with hash -541022233, now seen corresponding path program 2 times [2024-04-04 20:31:05,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:31:05,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602951920] [2024-04-04 20:31:05,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:31:05,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:31:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:31:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 161 proven. 57 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-04-04 20:31:09,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:31:09,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602951920] [2024-04-04 20:31:09,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602951920] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:31:09,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090418712] [2024-04-04 20:31:09,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 20:31:09,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:31:09,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:31:09,857 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) [2024-04-04 20:31:09,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 20:31:09,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 20:31:09,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:31:09,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-04 20:31:09,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:31:10,332 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 81 proven. 49 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-04-04 20:31:10,333 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:31:10,556 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 86 proven. 1 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-04-04 20:31:10,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090418712] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:31:10,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:31:10,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 9, 6] total 46 [2024-04-04 20:31:10,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467898844] [2024-04-04 20:31:10,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:31:10,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-04-04 20:31:10,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:31:10,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-04-04 20:31:10,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=1826, Unknown=0, NotChecked=0, Total=2070 [2024-04-04 20:31:10,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:31:10,658 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:31:10,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 4.239130434782608) internal successors, (195), 46 states have internal predecessors, (195), 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 20:31:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:31:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 20:31:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-04 20:31:10,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:31:32,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:31:32,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 20:31:32,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-04 20:31:32,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-04-04 20:31:32,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 20:31:32,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:31:32,426 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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 20:31:32,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:31:32,427 INFO L85 PathProgramCache]: Analyzing trace with hash -408171786, now seen corresponding path program 3 times [2024-04-04 20:31:32,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:31:32,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177212324] [2024-04-04 20:31:32,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:31:32,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:31:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:31:33,431 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-04-04 20:31:33,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:31:33,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177212324] [2024-04-04 20:31:33,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177212324] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:31:33,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:31:33,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-04 20:31:33,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467064462] [2024-04-04 20:31:33,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:31:33,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-04 20:31:33,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:31:33,592 INFO L85 PathProgramCache]: Analyzing trace with hash 498315602, now seen corresponding path program 1 times [2024-04-04 20:31:33,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:31:33,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:31:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:31:33,645 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 20:31:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:31:33,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-04 20:31:33,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-04-04 20:31:33,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:31:33,777 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:31:33,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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 20:31:33,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:31:33,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 20:31:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-04 20:31:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-04-04 20:31:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:31:36,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:31:36,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 20:31:36,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-04 20:31:36,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-04-04 20:31:36,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 20:31:36,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable5 [2024-04-04 20:31:36,049 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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 20:31:36,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:31:36,050 INFO L85 PathProgramCache]: Analyzing trace with hash -181179013, now seen corresponding path program 4 times [2024-04-04 20:31:36,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:31:36,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529811050] [2024-04-04 20:31:36,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:31:36,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:31:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:31:41,243 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 7 proven. 282 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:31:41,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:31:41,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529811050] [2024-04-04 20:31:41,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529811050] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:31:41,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652285874] [2024-04-04 20:31:41,243 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 20:31:41,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:31:41,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:31:41,245 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) [2024-04-04 20:31:41,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 20:31:41,390 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 20:31:41,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:31:41,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 73 conjunts are in the unsatisfiable core [2024-04-04 20:31:41,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:37:54,216 WARN L293 SmtUtils]: Spent 8.83s on a formula simplification that was a NOOP. DAG size: 86 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 20:38:56,021 WARN L293 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 87 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 20:39:46,827 WARN L293 SmtUtils]: Spent 8.26s on a formula simplification. DAG size of input: 80 DAG size of output: 79 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 20:40:23,375 WARN L293 SmtUtils]: Spent 7.63s on a formula simplification that was a NOOP. DAG size: 88 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 20:40:50,058 WARN L293 SmtUtils]: Spent 6.15s on a formula simplification that was a NOOP. DAG size: 87 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 20:41:23,925 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 283 refuted. 6 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:41:23,925 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:41:32,498 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:41:32,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652285874] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:41:32,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:41:32,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 48] total 141 [2024-04-04 20:41:32,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007609127] [2024-04-04 20:41:32,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:41:32,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2024-04-04 20:41:32,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:41:40,949 INFO L85 PathProgramCache]: Analyzing trace with hash 498315602, now seen corresponding path program 2 times [2024-04-04 20:41:40,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:41:40,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:41:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:41:40,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 20:41:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 20:41:41,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2024-04-04 20:41:41,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3786, Invalid=16166, Unknown=70, NotChecked=0, Total=20022 [2024-04-04 20:41:41,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:41:41,137 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:41:41,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 2.368794326241135) internal successors, (334), 141 states have internal predecessors, (334), 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 20:41:41,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:41:41,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 20:41:41,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-04 20:41:41,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-04-04 20:41:41,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 20:41:41,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:42:53,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:43:24,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:43:26,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:43:32,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:43:41,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:43:44,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:43:47,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:43:49,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:43:51,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:43:56,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:44:02,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:44:04,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:44:11,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:44:17,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:44:20,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:44:23,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:44:26,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:44:49,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:45:00,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 20:45:01,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2024-04-04 20:45:09,064 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 20:45:09,065 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 [2024-04-04 20:45:09,066 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 20:45:09,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 20:45:09,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:45:09,287 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 227 known predicates. [2024-04-04 20:45:09,289 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-04 20:45:09,290 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-04 20:45:09,290 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-04 20:45:09,290 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-04 20:45:09,293 INFO L445 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1] [2024-04-04 20:45:09,295 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 20:45:09,295 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 20:45:09,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 08:45:09 BasicIcfg [2024-04-04 20:45:09,298 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 20:45:09,298 INFO L158 Benchmark]: Toolchain (without parser) took 867541.92ms. Allocated memory was 375.4MB in the beginning and 822.1MB in the end (delta: 446.7MB). Free memory was 303.6MB in the beginning and 422.6MB in the end (delta: -119.1MB). Peak memory consumption was 328.1MB. Max. memory is 8.0GB. [2024-04-04 20:45:09,299 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory was 159.7MB in the beginning and 159.6MB in the end (delta: 70.7kB). There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 20:45:09,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.33ms. Allocated memory is still 375.4MB. Free memory was 303.6MB in the beginning and 292.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-04 20:45:09,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.15ms. Allocated memory is still 375.4MB. Free memory was 292.1MB in the beginning and 290.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 20:45:09,301 INFO L158 Benchmark]: Boogie Preprocessor took 16.98ms. Allocated memory is still 375.4MB. Free memory was 290.5MB in the beginning and 288.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 20:45:09,301 INFO L158 Benchmark]: RCFGBuilder took 491.99ms. Allocated memory is still 375.4MB. Free memory was 288.9MB in the beginning and 337.4MB in the end (delta: -48.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-04-04 20:45:09,301 INFO L158 Benchmark]: TraceAbstraction took 866794.67ms. Allocated memory was 375.4MB in the beginning and 822.1MB in the end (delta: 446.7MB). Free memory was 336.4MB in the beginning and 422.6MB in the end (delta: -86.2MB). Peak memory consumption was 361.0MB. Max. memory is 8.0GB. [2024-04-04 20:45:09,303 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory was 159.7MB in the beginning and 159.6MB in the end (delta: 70.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 190.33ms. Allocated memory is still 375.4MB. Free memory was 303.6MB in the beginning and 292.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.15ms. Allocated memory is still 375.4MB. Free memory was 292.1MB in the beginning and 290.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.98ms. Allocated memory is still 375.4MB. Free memory was 290.5MB in the beginning and 288.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 491.99ms. Allocated memory is still 375.4MB. Free memory was 288.9MB in the beginning and 337.4MB in the end (delta: -48.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 866794.67ms. Allocated memory was 375.4MB in the beginning and 822.1MB in the end (delta: 446.7MB). Free memory was 336.4MB in the beginning and 422.6MB in the end (delta: -86.2MB). Peak memory consumption was 361.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14530, independent: 12411, independent conditional: 11782, independent unconditional: 629, dependent: 2070, dependent conditional: 1855, dependent unconditional: 215, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12582, independent: 12411, independent conditional: 11782, independent unconditional: 629, dependent: 122, dependent conditional: 120, dependent unconditional: 2, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12582, independent: 12411, independent conditional: 11782, independent unconditional: 629, dependent: 122, dependent conditional: 120, dependent unconditional: 2, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12582, independent: 12411, independent conditional: 11782, independent unconditional: 629, dependent: 122, dependent conditional: 120, dependent unconditional: 2, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13211, independent: 12411, independent conditional: 1840, independent unconditional: 10571, dependent: 608, dependent conditional: 364, dependent unconditional: 244, unknown: 192, unknown conditional: 98, unknown unconditional: 94] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13211, independent: 12411, independent conditional: 1678, independent unconditional: 10733, dependent: 608, dependent conditional: 220, dependent unconditional: 388, unknown: 192, unknown conditional: 39, unknown unconditional: 153] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13211, independent: 12411, independent conditional: 1678, independent unconditional: 10733, dependent: 608, dependent conditional: 220, dependent unconditional: 388, unknown: 192, unknown conditional: 39, unknown unconditional: 153] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 470, independent: 411, independent conditional: 3, independent unconditional: 408, dependent: 52, dependent conditional: 47, dependent unconditional: 5, unknown: 7, unknown conditional: 6, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 470, independent: 411, independent conditional: 0, independent unconditional: 411, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 59, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 52, dependent conditional: 47, dependent unconditional: 5, unknown: 7, unknown conditional: 6, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 52, dependent conditional: 47, dependent unconditional: 5, unknown: 7, unknown conditional: 6, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8653, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1502, dependent conditional: 1447, dependent unconditional: 55, unknown: 7151, unknown conditional: 6119, unknown unconditional: 1032] , Protected Queries: 0 ], Cache Queries: [ total: 13211, independent: 12000, independent conditional: 1675, independent unconditional: 10325, dependent: 556, dependent conditional: 173, dependent unconditional: 383, unknown: 655, unknown conditional: 89, unknown unconditional: 566] , Statistics on independence cache: Total cache size (in pairs): 463, Positive cache size: 411, Positive conditional cache size: 3, Positive unconditional cache size: 408, Negative cache size: 52, Negative conditional cache size: 47, Negative unconditional cache size: 5, Unknown cache size: 7, Unknown conditional cache size: 6, Unknown unconditional cache size: 1, Eliminated conditions: 365, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13211, independent: 12411, independent conditional: 1840, independent unconditional: 10571, dependent: 608, dependent conditional: 364, dependent unconditional: 244, unknown: 192, unknown conditional: 98, unknown unconditional: 94] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13211, independent: 12411, independent conditional: 1678, independent unconditional: 10733, dependent: 608, dependent conditional: 220, dependent unconditional: 388, unknown: 192, unknown conditional: 39, unknown unconditional: 153] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13211, independent: 12411, independent conditional: 1678, independent unconditional: 10733, dependent: 608, dependent conditional: 220, dependent unconditional: 388, unknown: 192, unknown conditional: 39, unknown unconditional: 153] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 470, independent: 411, independent conditional: 3, independent unconditional: 408, dependent: 52, dependent conditional: 47, dependent unconditional: 5, unknown: 7, unknown conditional: 6, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 470, independent: 411, independent conditional: 0, independent unconditional: 411, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 59, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 52, dependent conditional: 47, dependent unconditional: 5, unknown: 7, unknown conditional: 6, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 52, dependent conditional: 47, dependent unconditional: 5, unknown: 7, unknown conditional: 6, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8653, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1502, dependent conditional: 1447, dependent unconditional: 55, unknown: 7151, unknown conditional: 6119, unknown unconditional: 1032] , Protected Queries: 0 ], Cache Queries: [ total: 13211, independent: 12000, independent conditional: 1675, independent unconditional: 10325, dependent: 556, dependent conditional: 173, dependent unconditional: 383, unknown: 655, unknown conditional: 89, unknown unconditional: 566] , Statistics on independence cache: Total cache size (in pairs): 463, Positive cache size: 411, Positive conditional cache size: 3, Positive unconditional cache size: 408, Negative cache size: 52, Negative conditional cache size: 47, Negative unconditional cache size: 5, Unknown cache size: 7, Unknown conditional cache size: 6, Unknown unconditional cache size: 1, Eliminated conditions: 365 ], Independence queries for same thread: 1948 - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 227 known predicates. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 227 known predicates. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 227 known predicates. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 227 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 111 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 866.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 248.9s, 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: 357, 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, 1.0s SatisfiabilityAnalysisTime, 606.2s InterpolantComputationTime, 1006 NumberOfCodeBlocks, 1006 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1344 ConstructedInterpolants, 0 QuantifiedInterpolants, 19341 SizeOfPredicates, 37 NumberOfNonLiveVariables, 781 ConjunctsInSsa, 104 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 1169/2173 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