/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 20 --traceabstraction.seed.for.random.criterion 546 -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 [2024-04-05 00:07:11,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 00:07:12,060 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 00:07:12,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 00:07:12,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 00:07:12,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 00:07:12,086 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 00:07:12,087 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 00:07:12,087 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 00:07:12,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 00:07:12,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 00:07:12,090 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 00:07:12,091 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 00:07:12,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 00:07:12,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 00:07:12,092 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 00:07:12,092 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 00:07:12,092 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 00:07:12,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 00:07:12,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 00:07:12,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 00:07:12,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 00:07:12,093 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 00:07:12,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 00:07:12,094 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 00:07:12,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 00:07:12,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 00:07:12,094 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 00:07:12,094 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 00:07:12,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 00:07:12,095 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 00:07:12,095 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 00:07:12,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 00:07:12,096 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 00:07:12,096 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 00:07:12,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 00:07:12,096 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 00:07:12,096 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 00:07:12,096 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 00:07:12,096 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 [2024-04-05 00:07:12,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 00:07:12,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 00:07:12,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 00:07:12,300 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 00:07:12,301 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 00:07:12,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-04-05 00:07:13,379 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 00:07:13,567 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 00:07:13,567 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-04-05 00:07:13,574 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/328739cfe/c8ed039a71bf429a85a96dbfd23abfdc/FLAG44c92dab0 [2024-04-05 00:07:13,587 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/328739cfe/c8ed039a71bf429a85a96dbfd23abfdc [2024-04-05 00:07:13,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 00:07:13,591 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 00:07:13,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 00:07:13,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 00:07:13,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 00:07:13,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 12:07:13" (1/1) ... [2024-04-05 00:07:13,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0885dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:07:13, skipping insertion in model container [2024-04-05 00:07:13,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 12:07:13" (1/1) ... [2024-04-05 00:07:13,617 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 00:07:13,759 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] [2024-04-05 00:07:13,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 00:07:13,771 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 00:07:13,791 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] [2024-04-05 00:07:13,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 00:07:13,798 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 00:07:13,799 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 00:07:13,805 INFO L206 MainTranslator]: Completed translation [2024-04-05 00:07:13,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:07:13 WrapperNode [2024-04-05 00:07:13,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 00:07:13,807 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 00:07:13,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 00:07:13,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 00:07:13,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:07:13" (1/1) ... [2024-04-05 00:07:13,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:07:13" (1/1) ... [2024-04-05 00:07:13,835 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2024-04-05 00:07:13,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 00:07:13,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 00:07:13,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 00:07:13,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 00:07:13,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:07:13" (1/1) ... [2024-04-05 00:07:13,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:07:13" (1/1) ... [2024-04-05 00:07:13,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:07:13" (1/1) ... [2024-04-05 00:07:13,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:07:13" (1/1) ... [2024-04-05 00:07:13,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:07:13" (1/1) ... [2024-04-05 00:07:13,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:07:13" (1/1) ... [2024-04-05 00:07:13,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:07:13" (1/1) ... [2024-04-05 00:07:13,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:07:13" (1/1) ... [2024-04-05 00:07:13,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 00:07:13,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 00:07:13,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 00:07:13,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 00:07:13,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:07:13" (1/1) ... [2024-04-05 00:07:13,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 00:07:13,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 00:07:13,900 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) [2024-04-05 00:07:13,940 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 [2024-04-05 00:07:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 00:07:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 00:07:13,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 00:07:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 00:07:13,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 00:07:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 00:07:13,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 00:07:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 00:07:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 00:07:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 00:07:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 00:07:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 00:07:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 00:07:14,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 00:07:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 00:07:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 00:07:14,004 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 00:07:14,124 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 00:07:14,126 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 00:07:14,306 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 00:07:14,363 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 00:07:14,363 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-05 00:07:14,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 12:07:14 BoogieIcfgContainer [2024-04-05 00:07:14,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 00:07:14,366 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 00:07:14,366 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 00:07:14,368 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 00:07:14,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 12:07:13" (1/3) ... [2024-04-05 00:07:14,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2225ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 12:07:14, skipping insertion in model container [2024-04-05 00:07:14,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:07:13" (2/3) ... [2024-04-05 00:07:14,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2225ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 12:07:14, skipping insertion in model container [2024-04-05 00:07:14,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 12:07:14" (3/3) ... [2024-04-05 00:07:14,371 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2024-04-05 00:07:14,376 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 00:07:14,383 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 00:07:14,383 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 00:07:14,383 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 00:07:14,433 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-05 00:07:14,464 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 00:07:14,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 00:07:14,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 00:07:14,468 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) [2024-04-05 00:07:14,480 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 [2024-04-05 00:07:14,500 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 00:07:14,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 00:07:14,517 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 00:07:14,523 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;@52c24b06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-05 00:07:14,523 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 00:07:15,700 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)] === [2024-04-05 00:07:15,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 00:07:15,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1121987728, now seen corresponding path program 1 times [2024-04-05 00:07:15,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 00:07:15,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938240098] [2024-04-05 00:07:15,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:07:15,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 00:07:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 00:07:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-05 00:07:16,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 00:07:16,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938240098] [2024-04-05 00:07:16,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938240098] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 00:07:16,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 00:07:16,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 00:07:16,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212951044] [2024-04-05 00:07:16,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 00:07:16,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 00:07:16,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 00:07:16,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 00:07:16,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 00:07:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:07:16,140 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 00:07:16,141 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) [2024-04-05 00:07:16,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:07:16,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:07:16,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 00:07:16,177 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)] === [2024-04-05 00:07:16,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 00:07:16,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1005987980, now seen corresponding path program 1 times [2024-04-05 00:07:16,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 00:07:16,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774078800] [2024-04-05 00:07:16,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:07:16,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 00:07:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 00:07:16,720 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 00:07:16,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 00:07:16,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774078800] [2024-04-05 00:07:16,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774078800] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 00:07:16,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 00:07:16,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 00:07:16,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981784757] [2024-04-05 00:07:16,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 00:07:16,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 00:07:16,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 00:07:16,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 00:07:16,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-04-05 00:07:16,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:07:16,762 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 00:07:16,762 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) [2024-04-05 00:07:16,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:07:16,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:07:16,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:07:16,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 00:07:16,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 00:07:16,876 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)] === [2024-04-05 00:07:16,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 00:07:16,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1498311593, now seen corresponding path program 1 times [2024-04-05 00:07:16,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 00:07:16,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819069473] [2024-04-05 00:07:16,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:07:16,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 00:07:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 00:07:18,347 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 00:07:18,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 00:07:18,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819069473] [2024-04-05 00:07:18,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819069473] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 00:07:18,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485944469] [2024-04-05 00:07:18,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:07:18,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 00:07:18,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 00:07:18,366 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) [2024-04-05 00:07:18,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 00:07:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 00:07:18,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-05 00:07:18,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 00:07:19,542 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 00:07:19,542 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 00:07:21,072 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 00:07:21,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485944469] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 00:07:21,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 00:07:21,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 33 [2024-04-05 00:07:21,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118148097] [2024-04-05 00:07:21,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 00:07:21,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-05 00:07:21,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 00:07:21,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-05 00:07:21,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=894, Unknown=0, NotChecked=0, Total=1056 [2024-04-05 00:07:21,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:07:21,115 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 00:07:21,115 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) [2024-04-05 00:07:21,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:07:21,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 00:07:21,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:07:40,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:07:40,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 00:07:40,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-05 00:07:40,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 00:07:40,818 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 [2024-04-05 00:07:40,818 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)] === [2024-04-05 00:07:40,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 00:07:40,819 INFO L85 PathProgramCache]: Analyzing trace with hash -541022233, now seen corresponding path program 2 times [2024-04-05 00:07:40,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 00:07:40,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725431833] [2024-04-05 00:07:40,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:07:40,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 00:07:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 00:07:45,160 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 161 proven. 57 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-04-05 00:07:45,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 00:07:45,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725431833] [2024-04-05 00:07:45,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725431833] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 00:07:45,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557396127] [2024-04-05 00:07:45,161 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 00:07:45,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 00:07:45,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 00:07:45,171 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) [2024-04-05 00:07:45,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 00:07:45,279 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 00:07:45,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 00:07:45,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-05 00:07:45,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 00:07:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 81 proven. 49 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-04-05 00:07:45,729 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 00:07:45,954 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 86 proven. 1 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-04-05 00:07:45,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557396127] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 00:07:45,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 00:07:45,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 9, 6] total 46 [2024-04-05 00:07:45,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372845494] [2024-04-05 00:07:45,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 00:07:45,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-04-05 00:07:45,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 00:07:46,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-04-05 00:07:46,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=1826, Unknown=0, NotChecked=0, Total=2070 [2024-04-05 00:07:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:07:46,014 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 00:07:46,014 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) [2024-04-05 00:07:46,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:07:46,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 00:07:46,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-05 00:07:46,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:08:09,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:08:09,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 00:08:09,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-05 00:08:09,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-04-05 00:08:09,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-05 00:08:09,645 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 [2024-04-05 00:08:09,645 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)] === [2024-04-05 00:08:09,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 00:08:09,646 INFO L85 PathProgramCache]: Analyzing trace with hash -408171786, now seen corresponding path program 3 times [2024-04-05 00:08:09,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 00:08:09,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535179993] [2024-04-05 00:08:09,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:08:09,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 00:08:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 00:08:10,558 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-04-05 00:08:10,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 00:08:10,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535179993] [2024-04-05 00:08:10,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535179993] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 00:08:10,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 00:08:10,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-05 00:08:10,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983250213] [2024-04-05 00:08:10,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 00:08:10,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-05 00:08:10,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 00:08:10,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-05 00:08:10,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-04-05 00:08:10,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:08:10,590 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 00:08:10,590 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) [2024-04-05 00:08:10,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:08:10,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 00:08:10,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-05 00:08:10,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-04-05 00:08:10,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:08:12,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:08:12,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 00:08:12,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-05 00:08:12,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-04-05 00:08:12,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-05 00:08:12,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-05 00:08:12,185 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)] === [2024-04-05 00:08:12,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 00:08:12,185 INFO L85 PathProgramCache]: Analyzing trace with hash -181179013, now seen corresponding path program 4 times [2024-04-05 00:08:12,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 00:08:12,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808657087] [2024-04-05 00:08:12,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 00:08:12,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 00:08:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 00:08:17,171 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 16 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 00:08:17,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 00:08:17,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808657087] [2024-04-05 00:08:17,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808657087] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 00:08:17,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923216065] [2024-04-05 00:08:17,172 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 00:08:17,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 00:08:17,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 00:08:17,174 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) [2024-04-05 00:08:17,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 00:08:17,303 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 00:08:17,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 00:08:17,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 70 conjunts are in the unsatisfiable core [2024-04-05 00:08:17,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 00:15:19,068 WARN L293 SmtUtils]: Spent 5.62s on a formula simplification that was a NOOP. DAG size: 84 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 00:16:44,932 WARN L293 SmtUtils]: Spent 6.73s 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) [2024-04-05 00:17:19,797 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) [2024-04-05 00:17:47,374 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 282 refuted. 7 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 00:17:47,374 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 00:17:55,530 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 00:17:55,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923216065] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 00:17:55,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 00:17:55,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 47, 46] total 136 [2024-04-05 00:17:55,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410837390] [2024-04-05 00:17:55,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 00:17:55,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2024-04-05 00:17:55,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 00:17:55,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2024-04-05 00:17:55,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3532, Invalid=14762, Unknown=66, NotChecked=0, Total=18360 [2024-04-05 00:17:55,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:17:55,682 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 00:17:55,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 2.4558823529411766) internal successors, (334), 136 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) [2024-04-05 00:17:55,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:17:55,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 00:17:55,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-05 00:17:55,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-04-05 00:17:55,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-05 00:17:55,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 00:18:19,057 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 [] [2024-04-05 00:18:33,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:18:36,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:18:39,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:18:42,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:18:52,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:18:54,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:19:04,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:19:14,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:19:16,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:19:23,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:19:25,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:19:28,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:19:31,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:19:43,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:19:46,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:19:47,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:19:52,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:19:54,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:19:55,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:20:02,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:20:04,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:20:10,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:20:11,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:20:14,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:20:19,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:20:25,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:20:40,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:20:43,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:20:46,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:20:52,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:20:57,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:21:10,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:21:12,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:21:25,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:21:40,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 00:21:42,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2024-04-05 00:21:44,350 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 [2024-04-05 00:21:44,350 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 [2024-04-05 00:21:44,351 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 [2024-04-05 00:21:44,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-05 00:21:44,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 00:21:44,824 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 209 known predicates. [2024-04-05 00:21:44,826 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-05 00:21:44,826 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-05 00:21:44,826 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-05 00:21:44,826 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-05 00:21:44,829 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2024-04-05 00:21:44,832 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 00:21:44,832 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 00:21:44,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 12:21:44 BasicIcfg [2024-04-05 00:21:44,836 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 00:21:44,837 INFO L158 Benchmark]: Toolchain (without parser) took 871245.44ms. Allocated memory was 166.7MB in the beginning and 692.1MB in the end (delta: 525.3MB). Free memory was 100.6MB in the beginning and 396.7MB in the end (delta: -296.1MB). Peak memory consumption was 230.2MB. Max. memory is 8.0GB. [2024-04-05 00:21:44,837 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 166.7MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 00:21:44,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.82ms. Allocated memory is still 166.7MB. Free memory was 100.3MB in the beginning and 88.9MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-05 00:21:44,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.90ms. Allocated memory is still 166.7MB. Free memory was 88.9MB in the beginning and 87.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 00:21:44,837 INFO L158 Benchmark]: Boogie Preprocessor took 21.62ms. Allocated memory is still 166.7MB. Free memory was 87.2MB in the beginning and 85.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 00:21:44,838 INFO L158 Benchmark]: RCFGBuilder took 505.73ms. Allocated memory was 166.7MB in the beginning and 246.4MB in the end (delta: 79.7MB). Free memory was 85.8MB in the beginning and 206.4MB in the end (delta: -120.6MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2024-04-05 00:21:44,838 INFO L158 Benchmark]: TraceAbstraction took 870469.52ms. Allocated memory was 246.4MB in the beginning and 692.1MB in the end (delta: 445.6MB). Free memory was 205.3MB in the beginning and 396.7MB in the end (delta: -191.4MB). Peak memory consumption was 254.8MB. Max. memory is 8.0GB. [2024-04-05 00:21:44,839 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 166.7MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 214.82ms. Allocated memory is still 166.7MB. Free memory was 100.3MB in the beginning and 88.9MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.90ms. Allocated memory is still 166.7MB. Free memory was 88.9MB in the beginning and 87.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.62ms. Allocated memory is still 166.7MB. Free memory was 87.2MB in the beginning and 85.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 505.73ms. Allocated memory was 166.7MB in the beginning and 246.4MB in the end (delta: 79.7MB). Free memory was 85.8MB in the beginning and 206.4MB in the end (delta: -120.6MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * TraceAbstraction took 870469.52ms. Allocated memory was 246.4MB in the beginning and 692.1MB in the end (delta: 445.6MB). Free memory was 205.3MB in the beginning and 396.7MB in the end (delta: -191.4MB). Peak memory consumption was 254.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14510, independent: 12393, independent conditional: 11764, independent unconditional: 629, dependent: 2059, dependent conditional: 1844, dependent unconditional: 215, unknown: 58, unknown conditional: 58, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12564, independent: 12393, independent conditional: 11764, independent unconditional: 629, dependent: 113, dependent conditional: 111, dependent unconditional: 2, unknown: 58, unknown conditional: 58, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12564, independent: 12393, independent conditional: 11764, independent unconditional: 629, dependent: 113, dependent conditional: 111, dependent unconditional: 2, unknown: 58, unknown conditional: 58, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12564, independent: 12393, independent conditional: 11764, independent unconditional: 629, dependent: 113, dependent conditional: 111, dependent unconditional: 2, unknown: 58, unknown conditional: 58, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13193, independent: 12393, independent conditional: 1840, independent unconditional: 10553, dependent: 616, dependent conditional: 372, dependent unconditional: 244, unknown: 184, unknown conditional: 90, unknown unconditional: 94] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13193, independent: 12393, independent conditional: 1674, independent unconditional: 10719, dependent: 616, dependent conditional: 228, dependent unconditional: 388, unknown: 184, unknown conditional: 31, unknown unconditional: 153] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13193, independent: 12393, independent conditional: 1674, independent unconditional: 10719, dependent: 616, dependent conditional: 228, dependent unconditional: 388, unknown: 184, unknown conditional: 31, 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: 8990, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1871, dependent conditional: 1816, dependent unconditional: 56, unknown: 7119, unknown conditional: 6093, unknown unconditional: 1026] , Protected Queries: 0 ], Cache Queries: [ total: 13193, independent: 11982, independent conditional: 1671, independent unconditional: 10311, dependent: 564, dependent conditional: 181, dependent unconditional: 383, unknown: 647, unknown conditional: 81, 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: 369, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13193, independent: 12393, independent conditional: 1840, independent unconditional: 10553, dependent: 616, dependent conditional: 372, dependent unconditional: 244, unknown: 184, unknown conditional: 90, unknown unconditional: 94] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13193, independent: 12393, independent conditional: 1674, independent unconditional: 10719, dependent: 616, dependent conditional: 228, dependent unconditional: 388, unknown: 184, unknown conditional: 31, unknown unconditional: 153] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13193, independent: 12393, independent conditional: 1674, independent unconditional: 10719, dependent: 616, dependent conditional: 228, dependent unconditional: 388, unknown: 184, unknown conditional: 31, 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: 8990, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1871, dependent conditional: 1816, dependent unconditional: 56, unknown: 7119, unknown conditional: 6093, unknown unconditional: 1026] , Protected Queries: 0 ], Cache Queries: [ total: 13193, independent: 11982, independent conditional: 1671, independent unconditional: 10311, dependent: 564, dependent conditional: 181, dependent unconditional: 383, unknown: 647, unknown conditional: 81, 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: 369 ], Independence queries for same thread: 1946 - 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 209 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 209 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 209 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 209 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: 870.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 274.8s, 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: 350, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 593.3s InterpolantComputationTime, 1006 NumberOfCodeBlocks, 1006 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1344 ConstructedInterpolants, 0 QuantifiedInterpolants, 20180 SizeOfPredicates, 37 NumberOfNonLiveVariables, 781 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 1178/2173 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