/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 DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe037.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 10:19:06,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 10:19:06,369 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 10:19:06,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 10:19:06,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 10:19:06,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 10:19:06,397 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 10:19:06,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 10:19:06,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 10:19:06,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 10:19:06,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 10:19:06,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 10:19:06,399 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 10:19:06,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 10:19:06,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 10:19:06,402 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 10:19:06,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 10:19:06,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 10:19:06,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 10:19:06,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 10:19:06,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 10:19:06,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 10:19:06,407 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 10:19:06,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 10:19:06,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 10:19:06,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 10:19:06,408 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 10:19:06,408 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 10:19:06,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 10:19:06,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 10:19:06,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 10:19:06,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 10:19:06,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 10:19:06,410 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 10:19:06,410 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 10:19:06,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 10:19:06,410 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 10:19:06,410 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 10:19:06,410 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 10:19:06,410 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-06 10:19:06,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 10:19:06,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 10:19:06,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 10:19:06,663 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 10:19:06,663 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 10:19:06,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037.i [2024-05-06 10:19:07,795 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 10:19:08,022 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 10:19:08,023 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037.i [2024-05-06 10:19:08,033 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1c32d1a8f/4977d006ad9440cabad89d56fda2f343/FLAG8d705113c [2024-05-06 10:19:08,045 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1c32d1a8f/4977d006ad9440cabad89d56fda2f343 [2024-05-06 10:19:08,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 10:19:08,049 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 10:19:08,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 10:19:08,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 10:19:08,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 10:19:08,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 10:19:08" (1/1) ... [2024-05-06 10:19:08,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45092178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:19:08, skipping insertion in model container [2024-05-06 10:19:08,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 10:19:08" (1/1) ... [2024-05-06 10:19:08,099 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 10:19:08,204 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037.i[941,954] [2024-05-06 10:19:08,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 10:19:08,362 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 10:19:08,373 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037.i[941,954] [2024-05-06 10:19:08,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 10:19:08,451 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 10:19:08,451 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 10:19:08,457 INFO L206 MainTranslator]: Completed translation [2024-05-06 10:19:08,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:19:08 WrapperNode [2024-05-06 10:19:08,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 10:19:08,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 10:19:08,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 10:19:08,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 10:19:08,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:19:08" (1/1) ... [2024-05-06 10:19:08,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:19:08" (1/1) ... [2024-05-06 10:19:08,527 INFO L138 Inliner]: procedures = 176, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-05-06 10:19:08,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 10:19:08,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 10:19:08,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 10:19:08,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 10:19:08,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:19:08" (1/1) ... [2024-05-06 10:19:08,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:19:08" (1/1) ... [2024-05-06 10:19:08,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:19:08" (1/1) ... [2024-05-06 10:19:08,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:19:08" (1/1) ... [2024-05-06 10:19:08,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:19:08" (1/1) ... [2024-05-06 10:19:08,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:19:08" (1/1) ... [2024-05-06 10:19:08,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:19:08" (1/1) ... [2024-05-06 10:19:08,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:19:08" (1/1) ... [2024-05-06 10:19:08,556 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 10:19:08,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 10:19:08,557 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 10:19:08,557 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 10:19:08,558 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:19:08" (1/1) ... [2024-05-06 10:19:08,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 10:19:08,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 10:19:08,624 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) [2024-05-06 10:19:08,633 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 [2024-05-06 10:19:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 10:19:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-06 10:19:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 10:19:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 10:19:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 10:19:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-06 10:19:08,667 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-06 10:19:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-06 10:19:08,667 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-06 10:19:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-06 10:19:08,668 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-06 10:19:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 10:19:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-06 10:19:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 10:19:08,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 10:19:08,670 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 10:19:08,782 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 10:19:08,784 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 10:19:08,895 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 10:19:08,903 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 10:19:08,903 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-06 10:19:08,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 10:19:08 BoogieIcfgContainer [2024-05-06 10:19:08,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 10:19:08,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 10:19:08,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 10:19:08,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 10:19:08,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 10:19:08" (1/3) ... [2024-05-06 10:19:08,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e223de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 10:19:08, skipping insertion in model container [2024-05-06 10:19:08,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 10:19:08" (2/3) ... [2024-05-06 10:19:08,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e223de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 10:19:08, skipping insertion in model container [2024-05-06 10:19:08,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 10:19:08" (3/3) ... [2024-05-06 10:19:08,909 INFO L112 eAbstractionObserver]: Analyzing ICFG safe037.i [2024-05-06 10:19:08,915 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 10:19:08,923 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 10:19:08,923 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 10:19:08,923 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 10:19:08,965 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-06 10:19:08,994 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 10:19:08,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 10:19:08,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 10:19:08,997 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) [2024-05-06 10:19:09,016 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 [2024-05-06 10:19:09,055 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 10:19:09,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 10:19:09,072 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 10:19:09,077 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;@18aee4cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 10:19:09,077 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-06 10:19:09,118 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)] === [2024-05-06 10:19:09,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 10:19:09,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1034354443, now seen corresponding path program 1 times [2024-05-06 10:19:09,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 10:19:09,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41365787] [2024-05-06 10:19:09,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:09,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 10:19:09,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 10:19:09,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 10:19:09,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41365787] [2024-05-06 10:19:09,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41365787] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 10:19:09,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 10:19:09,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-06 10:19:09,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463631010] [2024-05-06 10:19:09,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 10:19:09,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-06 10:19:09,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 10:19:09,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 10:19:09,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-06 10:19:09,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:09,428 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 10:19:09,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 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) [2024-05-06 10:19:09,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:09,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 10:19:09,454 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)] === [2024-05-06 10:19:09,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 10:19:09,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1701511568, now seen corresponding path program 1 times [2024-05-06 10:19:09,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 10:19:09,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911959302] [2024-05-06 10:19:09,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:09,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 10:19:09,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 10:19:09,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 10:19:09,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911959302] [2024-05-06 10:19:09,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911959302] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 10:19:09,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 10:19:09,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-06 10:19:09,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717848291] [2024-05-06 10:19:09,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 10:19:09,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-06 10:19:09,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 10:19:09,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-06 10:19:09,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-05-06 10:19:09,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:09,833 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 10:19:09,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 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) [2024-05-06 10:19:09,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:09,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:10,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1736516891, now seen corresponding path program 1 times [2024-05-06 10:19:10,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:10,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:10,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-06 10:19:10,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-05-06 10:19:10,259 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)] === [2024-05-06 10:19:10,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 10:19:10,260 INFO L85 PathProgramCache]: Analyzing trace with hash -520234925, now seen corresponding path program 1 times [2024-05-06 10:19:10,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 10:19:10,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627238860] [2024-05-06 10:19:10,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:10,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 10:19:10,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 10:19:10,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 10:19:10,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627238860] [2024-05-06 10:19:10,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627238860] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 10:19:10,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 10:19:10,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-06 10:19:10,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039445093] [2024-05-06 10:19:10,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 10:19:10,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-06 10:19:10,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 10:19:10,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-06 10:19:10,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-06 10:19:10,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:10,518 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 10:19:10,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 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) [2024-05-06 10:19:10,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:10,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-06 10:19:10,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:10,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1736516891, now seen corresponding path program 2 times [2024-05-06 10:19:10,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:10,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:10,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:10,936 INFO L85 PathProgramCache]: Analyzing trace with hash 343325742, now seen corresponding path program 1 times [2024-05-06 10:19:10,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:10,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:10,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:11,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1750120186, now seen corresponding path program 1 times [2024-05-06 10:19:11,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:11,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:11,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:11,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1384490599, now seen corresponding path program 1 times [2024-05-06 10:19:11,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:11,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:11,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:11,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1707228966, now seen corresponding path program 1 times [2024-05-06 10:19:11,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:11,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:11,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:11,508 INFO L85 PathProgramCache]: Analyzing trace with hash 499117511, now seen corresponding path program 1 times [2024-05-06 10:19:11,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:11,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:11,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:11,575 INFO L85 PathProgramCache]: Analyzing trace with hash 570289972, now seen corresponding path program 1 times [2024-05-06 10:19:11,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:11,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:11,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:11,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1819511807, now seen corresponding path program 1 times [2024-05-06 10:19:11,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:11,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:11,680 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:11,729 INFO L85 PathProgramCache]: Analyzing trace with hash 197241326, now seen corresponding path program 1 times [2024-05-06 10:19:11,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:11,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:11,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:11,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1102015961, now seen corresponding path program 1 times [2024-05-06 10:19:11,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:11,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:11,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:11,971 INFO L85 PathProgramCache]: Analyzing trace with hash -728285554, now seen corresponding path program 1 times [2024-05-06 10:19:11,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:11,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:11,987 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:12,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1229220800, now seen corresponding path program 1 times [2024-05-06 10:19:12,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:12,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:12,340 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:12,409 INFO L85 PathProgramCache]: Analyzing trace with hash 237442387, now seen corresponding path program 1 times [2024-05-06 10:19:12,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:12,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:12,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:13,386 INFO L85 PathProgramCache]: Analyzing trace with hash -844515524, now seen corresponding path program 1 times [2024-05-06 10:19:13,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:13,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:13,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:13,672 INFO L85 PathProgramCache]: Analyzing trace with hash 824747361, now seen corresponding path program 1 times [2024-05-06 10:19:13,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:13,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:13,680 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:13,736 INFO L85 PathProgramCache]: Analyzing trace with hash -111930060, now seen corresponding path program 1 times [2024-05-06 10:19:13,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:13,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:13,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:13,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1659044815, now seen corresponding path program 1 times [2024-05-06 10:19:13,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:13,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:13,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:13,837 INFO L85 PathProgramCache]: Analyzing trace with hash 884883278, now seen corresponding path program 1 times [2024-05-06 10:19:13,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:13,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:13,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:13,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1495432761, now seen corresponding path program 1 times [2024-05-06 10:19:13,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:13,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:13,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:13,927 INFO L85 PathProgramCache]: Analyzing trace with hash 2030038472, now seen corresponding path program 1 times [2024-05-06 10:19:13,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:13,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:13,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:13,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:13,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 10:19:13,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 10:19:13,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable4,SelfDestructingSolverStorable18,SelfDestructingSolverStorable3,SelfDestructingSolverStorable19,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable21,SelfDestructingSolverStorable11,SelfDestructingSolverStorable22,SelfDestructingSolverStorable12,SelfDestructingSolverStorable23,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-05-06 10:19:13,998 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)] === [2024-05-06 10:19:13,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 10:19:13,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1243622975, now seen corresponding path program 2 times [2024-05-06 10:19:13,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 10:19:13,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681464866] [2024-05-06 10:19:13,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:13,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 10:19:14,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 10:19:14,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 10:19:14,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681464866] [2024-05-06 10:19:14,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681464866] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 10:19:14,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 10:19:14,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-06 10:19:14,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614645956] [2024-05-06 10:19:14,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 10:19:14,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-06 10:19:14,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 10:19:14,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-06 10:19:14,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-06 10:19:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:14,156 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 10:19:14,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 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) [2024-05-06 10:19:14,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:14,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-06 10:19:14,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 10:19:14,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:14,479 INFO L85 PathProgramCache]: Analyzing trace with hash -844515524, now seen corresponding path program 2 times [2024-05-06 10:19:14,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:14,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:14,486 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:14,658 INFO L85 PathProgramCache]: Analyzing trace with hash 824747361, now seen corresponding path program 2 times [2024-05-06 10:19:14,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:14,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:14,666 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:14,733 INFO L85 PathProgramCache]: Analyzing trace with hash -111930060, now seen corresponding path program 2 times [2024-05-06 10:19:14,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:14,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:14,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:14,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1659044815, now seen corresponding path program 2 times [2024-05-06 10:19:14,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:14,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:14,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:14,868 INFO L85 PathProgramCache]: Analyzing trace with hash 884883278, now seen corresponding path program 2 times [2024-05-06 10:19:14,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:14,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:14,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:15,202 INFO L85 PathProgramCache]: Analyzing trace with hash -64576787, now seen corresponding path program 1 times [2024-05-06 10:19:15,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:15,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:15,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:15,288 INFO L85 PathProgramCache]: Analyzing trace with hash 232502962, now seen corresponding path program 1 times [2024-05-06 10:19:15,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:15,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:15,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:15,362 INFO L85 PathProgramCache]: Analyzing trace with hash -434334017, now seen corresponding path program 1 times [2024-05-06 10:19:15,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:15,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:15,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:15,437 INFO L85 PathProgramCache]: Analyzing trace with hash 757853528, now seen corresponding path program 1 times [2024-05-06 10:19:15,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:15,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:15,445 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:15,499 INFO L85 PathProgramCache]: Analyzing trace with hash -71760185, now seen corresponding path program 1 times [2024-05-06 10:19:15,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:15,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:15,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:15,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1848015970, now seen corresponding path program 1 times [2024-05-06 10:19:15,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:15,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:15,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:15,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:15,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 10:19:15,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 10:19:15,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 10:19:15,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable24,SelfDestructingSolverStorable35,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-05-06 10:19:15,575 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)] === [2024-05-06 10:19:15,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 10:19:15,576 INFO L85 PathProgramCache]: Analyzing trace with hash -255071021, now seen corresponding path program 3 times [2024-05-06 10:19:15,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 10:19:15,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117707929] [2024-05-06 10:19:15,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:15,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 10:19:15,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 10:19:15,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 10:19:15,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117707929] [2024-05-06 10:19:15,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117707929] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 10:19:15,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 10:19:15,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-06 10:19:15,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159387954] [2024-05-06 10:19:15,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 10:19:15,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-06 10:19:15,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 10:19:15,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-06 10:19:15,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-06 10:19:15,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:15,685 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 10:19:15,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 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) [2024-05-06 10:19:15,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:15,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-06 10:19:15,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 10:19:15,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 10:19:15,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:16,073 INFO L85 PathProgramCache]: Analyzing trace with hash -844515524, now seen corresponding path program 3 times [2024-05-06 10:19:16,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:16,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:16,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:16,541 INFO L85 PathProgramCache]: Analyzing trace with hash -64576787, now seen corresponding path program 2 times [2024-05-06 10:19:16,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 10:19:16,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 10:19:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:16,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 10:19:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 10:19:16,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 10:19:16,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-06 10:19:16,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 10:19:16,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 10:19:16,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 10:19:16,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-06 10:19:16,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-06 10:19:16,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-06 10:19:16,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-06 10:19:16,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38 [2024-05-06 10:19:16,754 INFO L448 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-06 10:19:16,756 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-06 10:19:16,756 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-06 10:19:16,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 10:19:16 BasicIcfg [2024-05-06 10:19:16,758 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-06 10:19:16,759 INFO L158 Benchmark]: Toolchain (without parser) took 8710.30ms. Allocated memory was 313.5MB in the beginning and 667.9MB in the end (delta: 354.4MB). Free memory was 241.0MB in the beginning and 317.5MB in the end (delta: -76.4MB). Peak memory consumption was 278.2MB. Max. memory is 8.0GB. [2024-05-06 10:19:16,759 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 186.6MB. Free memory is still 157.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-06 10:19:16,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.39ms. Allocated memory is still 313.5MB. Free memory was 240.8MB in the beginning and 220.0MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-05-06 10:19:16,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.19ms. Allocated memory is still 313.5MB. Free memory was 220.0MB in the beginning and 281.3MB in the end (delta: -61.3MB). Peak memory consumption was 6.5MB. Max. memory is 8.0GB. [2024-05-06 10:19:16,760 INFO L158 Benchmark]: Boogie Preprocessor took 28.26ms. Allocated memory is still 313.5MB. Free memory was 280.9MB in the beginning and 279.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-06 10:19:16,760 INFO L158 Benchmark]: RCFGBuilder took 347.10ms. Allocated memory is still 313.5MB. Free memory was 279.3MB in the beginning and 264.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-05-06 10:19:16,760 INFO L158 Benchmark]: TraceAbstraction took 7853.06ms. Allocated memory was 313.5MB in the beginning and 667.9MB in the end (delta: 354.4MB). Free memory was 263.1MB in the beginning and 317.5MB in the end (delta: -54.4MB). Peak memory consumption was 300.0MB. Max. memory is 8.0GB. [2024-05-06 10:19:16,761 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 186.6MB. Free memory is still 157.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 409.39ms. Allocated memory is still 313.5MB. Free memory was 240.8MB in the beginning and 220.0MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 68.19ms. Allocated memory is still 313.5MB. Free memory was 220.0MB in the beginning and 281.3MB in the end (delta: -61.3MB). Peak memory consumption was 6.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.26ms. Allocated memory is still 313.5MB. Free memory was 280.9MB in the beginning and 279.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 347.10ms. Allocated memory is still 313.5MB. Free memory was 279.3MB in the beginning and 264.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 7853.06ms. Allocated memory was 313.5MB in the beginning and 667.9MB in the end (delta: 354.4MB). Free memory was 263.1MB in the beginning and 317.5MB in the end (delta: -54.4MB). Peak memory consumption was 300.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 165213, independent: 163557, independent conditional: 163384, independent unconditional: 173, dependent: 1656, dependent conditional: 1656, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 165136, independent: 163557, independent conditional: 163384, independent unconditional: 173, dependent: 1579, dependent conditional: 1579, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 165136, independent: 163557, independent conditional: 163384, independent unconditional: 173, dependent: 1579, dependent conditional: 1579, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 165136, independent: 163557, independent conditional: 163384, independent unconditional: 173, dependent: 1579, dependent conditional: 1579, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 169710, independent: 163557, independent conditional: 78262, independent unconditional: 85295, dependent: 6153, dependent conditional: 4574, dependent unconditional: 1579, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 169710, independent: 163557, independent conditional: 36750, independent unconditional: 126807, dependent: 6153, dependent conditional: 1179, dependent unconditional: 4974, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 169710, independent: 163557, independent conditional: 36750, independent unconditional: 126807, dependent: 6153, dependent conditional: 1179, dependent unconditional: 4974, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1227, independent: 1214, independent conditional: 204, independent unconditional: 1010, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1227, independent: 1197, independent conditional: 0, independent unconditional: 1197, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, independent: 18, independent conditional: 15, independent unconditional: 3, dependent: 47, dependent conditional: 35, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 169710, independent: 162343, independent conditional: 36546, independent unconditional: 125797, dependent: 6140, dependent conditional: 1175, dependent unconditional: 4965, unknown: 1227, unknown conditional: 208, unknown unconditional: 1019] , Statistics on independence cache: Total cache size (in pairs): 1227, Positive cache size: 1214, Positive conditional cache size: 204, Positive unconditional cache size: 1010, Negative cache size: 13, Negative conditional cache size: 4, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 44907, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 169710, independent: 163557, independent conditional: 78262, independent unconditional: 85295, dependent: 6153, dependent conditional: 4574, dependent unconditional: 1579, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 169710, independent: 163557, independent conditional: 36750, independent unconditional: 126807, dependent: 6153, dependent conditional: 1179, dependent unconditional: 4974, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 169710, independent: 163557, independent conditional: 36750, independent unconditional: 126807, dependent: 6153, dependent conditional: 1179, dependent unconditional: 4974, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1227, independent: 1214, independent conditional: 204, independent unconditional: 1010, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1227, independent: 1197, independent conditional: 0, independent unconditional: 1197, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 13, dependent conditional: 4, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, independent: 18, independent conditional: 15, independent unconditional: 3, dependent: 47, dependent conditional: 35, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 169710, independent: 162343, independent conditional: 36546, independent unconditional: 125797, dependent: 6140, dependent conditional: 1175, dependent unconditional: 4965, unknown: 1227, unknown conditional: 208, unknown unconditional: 1019] , Statistics on independence cache: Total cache size (in pairs): 1227, Positive cache size: 1214, Positive conditional cache size: 204, Positive unconditional cache size: 1010, Negative cache size: 13, Negative conditional cache size: 4, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 44907 ], Independence queries for same thread: 77 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 125 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 6.4s, 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: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 359 NumberOfCodeBlocks, 359 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 354 ConstructedInterpolants, 0 QuantifiedInterpolants, 894 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 4.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 60, ConditionalCommutativityTraceChecks: 34, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-06 10:19:16,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-06 10:19:16,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...