/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 BOTH --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 [2024-05-07 21:45:51,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 21:45:51,453 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 21:45:51,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 21:45:51,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 21:45:51,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 21:45:51,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 21:45:51,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 21:45:51,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 21:45:51,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 21:45:51,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 21:45:51,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 21:45:51,486 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 21:45:51,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 21:45:51,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 21:45:51,488 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 21:45:51,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 21:45:51,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 21:45:51,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 21:45:51,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 21:45:51,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 21:45:51,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 21:45:51,489 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 21:45:51,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 21:45:51,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 21:45:51,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 21:45:51,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 21:45:51,490 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 21:45:51,490 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 21:45:51,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 21:45:51,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 21:45:51,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 21:45:51,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 21:45:51,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 21:45:51,492 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 21:45:51,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 21:45:51,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 21:45:51,492 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 21:45:51,493 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 21:45:51,493 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 21:45:51,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 21:45:51,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 21:45:51,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 21:45:51,698 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 21:45:51,699 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 21:45:51,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037.i [2024-05-07 21:45:52,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 21:45:53,078 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 21:45:53,078 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037.i [2024-05-07 21:45:53,087 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/eddc98414/8ac4905e5eef453aa75399a536365431/FLAGe3344b83c [2024-05-07 21:45:53,099 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/eddc98414/8ac4905e5eef453aa75399a536365431 [2024-05-07 21:45:53,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 21:45:53,102 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 21:45:53,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 21:45:53,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 21:45:53,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 21:45:53,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 09:45:53" (1/1) ... [2024-05-07 21:45:53,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4630d3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 09:45:53, skipping insertion in model container [2024-05-07 21:45:53,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 09:45:53" (1/1) ... [2024-05-07 21:45:53,174 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 21:45:53,344 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] [2024-05-07 21:45:53,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 21:45:53,434 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 21:45:53,481 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] [2024-05-07 21:45:53,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 21:45:53,539 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 21:45:53,539 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 21:45:53,544 INFO L206 MainTranslator]: Completed translation [2024-05-07 21:45:53,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 09:45:53 WrapperNode [2024-05-07 21:45:53,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 21:45:53,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 21:45:53,546 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 21:45:53,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 21:45:53,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 09:45:53" (1/1) ... [2024-05-07 21:45:53,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 09:45:53" (1/1) ... [2024-05-07 21:45:53,593 INFO L138 Inliner]: procedures = 176, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-05-07 21:45:53,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 21:45:53,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 21:45:53,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 21:45:53,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 21:45:53,599 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 09:45:53" (1/1) ... [2024-05-07 21:45:53,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 09:45:53" (1/1) ... [2024-05-07 21:45:53,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 09:45:53" (1/1) ... [2024-05-07 21:45:53,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 09:45:53" (1/1) ... [2024-05-07 21:45:53,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 09:45:53" (1/1) ... [2024-05-07 21:45:53,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 09:45:53" (1/1) ... [2024-05-07 21:45:53,619 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 09:45:53" (1/1) ... [2024-05-07 21:45:53,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 09:45:53" (1/1) ... [2024-05-07 21:45:53,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 21:45:53,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 21:45:53,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 21:45:53,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 21:45:53,627 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 09:45:53" (1/1) ... [2024-05-07 21:45:53,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 21:45:53,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 21:45:53,678 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) [2024-05-07 21:45:53,683 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 [2024-05-07 21:45:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 21:45:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 21:45:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 21:45:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 21:45:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 21:45:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-07 21:45:53,711 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-07 21:45:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-07 21:45:53,711 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-07 21:45:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-07 21:45:53,711 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-07 21:45:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 21:45:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 21:45:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 21:45:53,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 21:45:53,712 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 21:45:53,796 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 21:45:53,798 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 21:45:53,962 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 21:45:53,970 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 21:45:53,970 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-07 21:45:53,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 09:45:53 BoogieIcfgContainer [2024-05-07 21:45:53,971 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 21:45:53,973 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 21:45:53,973 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 21:45:53,975 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 21:45:53,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 09:45:53" (1/3) ... [2024-05-07 21:45:53,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55010eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 09:45:53, skipping insertion in model container [2024-05-07 21:45:53,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 09:45:53" (2/3) ... [2024-05-07 21:45:53,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55010eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 09:45:53, skipping insertion in model container [2024-05-07 21:45:53,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 09:45:53" (3/3) ... [2024-05-07 21:45:53,977 INFO L112 eAbstractionObserver]: Analyzing ICFG safe037.i [2024-05-07 21:45:53,983 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 21:45:53,991 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 21:45:53,992 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 21:45:53,992 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 21:45:54,041 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-07 21:45:54,089 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 21:45:54,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 21:45:54,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 21:45:54,098 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) [2024-05-07 21:45:54,102 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 [2024-05-07 21:45:54,129 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 21:45:54,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 21:45:54,161 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 21:45:54,166 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;@3d6f0113, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-07 21:45:54,166 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-07 21:45:54,245 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)] === [2024-05-07 21:45:54,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 21:45:54,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1034354443, now seen corresponding path program 1 times [2024-05-07 21:45:54,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 21:45:54,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802772827] [2024-05-07 21:45:54,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:54,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 21:45:54,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 21:45:54,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 21:45:54,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802772827] [2024-05-07 21:45:54,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802772827] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 21:45:54,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 21:45:54,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-07 21:45:54,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108637470] [2024-05-07 21:45:54,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 21:45:54,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-07 21:45:54,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 21:45:54,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 21:45:54,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-07 21:45:54,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:45:54,647 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 21:45:54,647 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) [2024-05-07 21:45:54,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:45:54,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:45:54,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-07 21:45:54,679 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)] === [2024-05-07 21:45:54,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 21:45:54,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1701511568, now seen corresponding path program 1 times [2024-05-07 21:45:54,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 21:45:54,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343625212] [2024-05-07 21:45:54,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:54,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 21:45:55,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 21:45:55,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 21:45:55,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343625212] [2024-05-07 21:45:55,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343625212] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 21:45:55,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 21:45:55,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-07 21:45:55,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654520414] [2024-05-07 21:45:55,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 21:45:55,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-07 21:45:55,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 21:45:55,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-07 21:45:55,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-05-07 21:45:55,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:45:55,401 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 21:45:55,402 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) [2024-05-07 21:45:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:45:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:45:55,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1736516891, now seen corresponding path program 1 times [2024-05-07 21:45:55,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:55,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:55,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:45:55,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 21:45:55,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-05-07 21:45:55,751 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)] === [2024-05-07 21:45:55,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 21:45:55,752 INFO L85 PathProgramCache]: Analyzing trace with hash -520234925, now seen corresponding path program 1 times [2024-05-07 21:45:55,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 21:45:55,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262852686] [2024-05-07 21:45:55,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:55,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 21:45:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 21:45:56,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 21:45:56,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262852686] [2024-05-07 21:45:56,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262852686] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 21:45:56,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 21:45:56,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-07 21:45:56,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276488792] [2024-05-07 21:45:56,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 21:45:56,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-07 21:45:56,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 21:45:56,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1736516891, now seen corresponding path program 2 times [2024-05-07 21:45:56,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:56,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:56,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:56,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-07 21:45:56,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-05-07 21:45:56,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:45:56,193 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 21:45:56,194 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) [2024-05-07 21:45:56,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:45:56,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-07 21:45:56,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:45:56,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1736516891, now seen corresponding path program 3 times [2024-05-07 21:45:56,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:56,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:56,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:56,569 INFO L85 PathProgramCache]: Analyzing trace with hash 343325742, now seen corresponding path program 1 times [2024-05-07 21:45:56,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:56,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:56,578 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:56,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1750120186, now seen corresponding path program 1 times [2024-05-07 21:45:56,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:56,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:56,690 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:56,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1384490599, now seen corresponding path program 1 times [2024-05-07 21:45:56,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:56,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:56,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:57,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1707228966, now seen corresponding path program 1 times [2024-05-07 21:45:57,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:57,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:57,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:57,130 INFO L85 PathProgramCache]: Analyzing trace with hash 499117511, now seen corresponding path program 1 times [2024-05-07 21:45:57,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:57,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:57,140 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:57,221 INFO L85 PathProgramCache]: Analyzing trace with hash 570289972, now seen corresponding path program 1 times [2024-05-07 21:45:57,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:57,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:57,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:57,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1819511807, now seen corresponding path program 1 times [2024-05-07 21:45:57,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:57,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:57,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:57,332 INFO L85 PathProgramCache]: Analyzing trace with hash 197241326, now seen corresponding path program 1 times [2024-05-07 21:45:57,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:57,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:57,340 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:57,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1102015961, now seen corresponding path program 1 times [2024-05-07 21:45:57,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:57,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:57,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:57,527 INFO L85 PathProgramCache]: Analyzing trace with hash -728285554, now seen corresponding path program 1 times [2024-05-07 21:45:57,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:57,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:57,535 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:57,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1229220800, now seen corresponding path program 1 times [2024-05-07 21:45:57,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:57,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:57,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:57,941 INFO L85 PathProgramCache]: Analyzing trace with hash 237442387, now seen corresponding path program 1 times [2024-05-07 21:45:57,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:57,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:57,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:58,887 INFO L85 PathProgramCache]: Analyzing trace with hash -844515524, now seen corresponding path program 1 times [2024-05-07 21:45:58,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:58,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:58,893 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:59,107 INFO L85 PathProgramCache]: Analyzing trace with hash 824747361, now seen corresponding path program 1 times [2024-05-07 21:45:59,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:59,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:59,115 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:59,177 INFO L85 PathProgramCache]: Analyzing trace with hash -111930060, now seen corresponding path program 1 times [2024-05-07 21:45:59,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:59,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:59,184 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:59,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1659044815, now seen corresponding path program 1 times [2024-05-07 21:45:59,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:59,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:59,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:59,273 INFO L85 PathProgramCache]: Analyzing trace with hash 884883278, now seen corresponding path program 1 times [2024-05-07 21:45:59,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:59,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:59,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:59,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1495432761, now seen corresponding path program 1 times [2024-05-07 21:45:59,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:59,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:59,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:59,349 INFO L85 PathProgramCache]: Analyzing trace with hash 2030038472, now seen corresponding path program 1 times [2024-05-07 21:45:59,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:59,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:59,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:59,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:45:59,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-07 21:45:59,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 21:45:59,402 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,SelfDestructingSolverStorable24,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-05-07 21:45:59,402 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)] === [2024-05-07 21:45:59,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 21:45:59,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1243622975, now seen corresponding path program 2 times [2024-05-07 21:45:59,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 21:45:59,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042968781] [2024-05-07 21:45:59,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:59,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 21:45:59,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 21:45:59,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 21:45:59,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042968781] [2024-05-07 21:45:59,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042968781] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 21:45:59,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 21:45:59,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-07 21:45:59,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863254742] [2024-05-07 21:45:59,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 21:45:59,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-07 21:45:59,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 21:45:59,552 INFO L85 PathProgramCache]: Analyzing trace with hash 2030038472, now seen corresponding path program 2 times [2024-05-07 21:45:59,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:59,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:59,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:59,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-07 21:45:59,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-05-07 21:45:59,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:45:59,567 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 21:45:59,568 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) [2024-05-07 21:45:59,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:45:59,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-07 21:45:59,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 21:45:59,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:45:59,865 INFO L85 PathProgramCache]: Analyzing trace with hash -844515524, now seen corresponding path program 2 times [2024-05-07 21:45:59,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:45:59,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:45:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:45:59,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:45:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:00,242 INFO L85 PathProgramCache]: Analyzing trace with hash 824747361, now seen corresponding path program 2 times [2024-05-07 21:46:00,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:46:00,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:46:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:00,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:46:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:00,331 INFO L85 PathProgramCache]: Analyzing trace with hash -111930060, now seen corresponding path program 2 times [2024-05-07 21:46:00,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:46:00,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:46:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:00,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:46:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:00,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1659044815, now seen corresponding path program 2 times [2024-05-07 21:46:00,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:46:00,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:46:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:00,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:46:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:00,652 INFO L85 PathProgramCache]: Analyzing trace with hash -64576787, now seen corresponding path program 1 times [2024-05-07 21:46:00,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:46:00,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:46:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:00,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:46:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:00,727 INFO L85 PathProgramCache]: Analyzing trace with hash 232502962, now seen corresponding path program 1 times [2024-05-07 21:46:00,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:46:00,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:46:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:00,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:46:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:00,838 INFO L85 PathProgramCache]: Analyzing trace with hash -434334017, now seen corresponding path program 1 times [2024-05-07 21:46:00,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:46:00,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:46:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:00,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:46:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:00,912 INFO L85 PathProgramCache]: Analyzing trace with hash 757853528, now seen corresponding path program 1 times [2024-05-07 21:46:00,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:46:00,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:46:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:00,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:46:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:00,989 INFO L85 PathProgramCache]: Analyzing trace with hash -71760185, now seen corresponding path program 1 times [2024-05-07 21:46:00,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:46:00,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:46:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:00,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:46:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:01,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1848015970, now seen corresponding path program 1 times [2024-05-07 21:46:01,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:46:01,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:46:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:01,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:46:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:01,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:46:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-07 21:46:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 21:46:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 21:46:01,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable25,SelfDestructingSolverStorable36,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-05-07 21:46:01,069 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)] === [2024-05-07 21:46:01,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 21:46:01,069 INFO L85 PathProgramCache]: Analyzing trace with hash -255071021, now seen corresponding path program 3 times [2024-05-07 21:46:01,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 21:46:01,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143282407] [2024-05-07 21:46:01,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:46:01,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:46:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 21:46:01,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 21:46:01,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 21:46:01,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143282407] [2024-05-07 21:46:01,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143282407] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 21:46:01,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 21:46:01,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-07 21:46:01,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027946103] [2024-05-07 21:46:01,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 21:46:01,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-07 21:46:01,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 21:46:01,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1848015970, now seen corresponding path program 2 times [2024-05-07 21:46:01,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:46:01,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:46:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:01,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:46:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:01,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-07 21:46:01,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-05-07 21:46:01,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:46:01,272 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 21:46:01,272 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) [2024-05-07 21:46:01,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:46:01,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-07 21:46:01,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 21:46:01,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 21:46:01,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:46:01,659 INFO L85 PathProgramCache]: Analyzing trace with hash -844515524, now seen corresponding path program 3 times [2024-05-07 21:46:01,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 21:46:01,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 21:46:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:01,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 21:46:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 21:46:02,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 21:46:02,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-07 21:46:02,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 21:46:02,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 21:46:02,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 21:46:02,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-07 21:46:02,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-07 21:46:02,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-07 21:46:02,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-07 21:46:02,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-05-07 21:46:02,474 INFO L448 BasicCegarLoop]: Path program histogram: [3, 3, 3, 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] [2024-05-07 21:46:02,481 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 21:46:02,481 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 21:46:02,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 09:46:02 BasicIcfg [2024-05-07 21:46:02,484 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 21:46:02,484 INFO L158 Benchmark]: Toolchain (without parser) took 9381.98ms. Allocated memory was 178.3MB in the beginning and 484.4MB in the end (delta: 306.2MB). Free memory was 112.2MB in the beginning and 290.4MB in the end (delta: -178.2MB). Peak memory consumption was 128.9MB. Max. memory is 8.0GB. [2024-05-07 21:46:02,484 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 21:46:02,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.94ms. Allocated memory is still 178.3MB. Free memory was 112.1MB in the beginning and 146.4MB in the end (delta: -34.3MB). Peak memory consumption was 20.7MB. Max. memory is 8.0GB. [2024-05-07 21:46:02,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.21ms. Allocated memory is still 178.3MB. Free memory was 146.4MB in the beginning and 144.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 21:46:02,485 INFO L158 Benchmark]: Boogie Preprocessor took 32.66ms. Allocated memory is still 178.3MB. Free memory was 144.3MB in the beginning and 142.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 21:46:02,485 INFO L158 Benchmark]: RCFGBuilder took 344.71ms. Allocated memory is still 178.3MB. Free memory was 142.7MB in the beginning and 128.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-05-07 21:46:02,485 INFO L158 Benchmark]: TraceAbstraction took 8510.80ms. Allocated memory was 178.3MB in the beginning and 484.4MB in the end (delta: 306.2MB). Free memory was 127.0MB in the beginning and 290.4MB in the end (delta: -163.4MB). Peak memory consumption was 142.8MB. Max. memory is 8.0GB. [2024-05-07 21:46:02,486 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 441.94ms. Allocated memory is still 178.3MB. Free memory was 112.1MB in the beginning and 146.4MB in the end (delta: -34.3MB). Peak memory consumption was 20.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.21ms. Allocated memory is still 178.3MB. Free memory was 146.4MB in the beginning and 144.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.66ms. Allocated memory is still 178.3MB. Free memory was 144.3MB in the beginning and 142.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 344.71ms. Allocated memory is still 178.3MB. Free memory was 142.7MB in the beginning and 128.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 8510.80ms. Allocated memory was 178.3MB in the beginning and 484.4MB in the end (delta: 306.2MB). Free memory was 127.0MB in the beginning and 290.4MB in the end (delta: -163.4MB). Peak memory consumption was 142.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 199663, independent: 197819, independent conditional: 197463, independent unconditional: 356, dependent: 1844, dependent conditional: 1844, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 199559, independent: 197819, independent conditional: 197463, independent unconditional: 356, dependent: 1740, dependent conditional: 1740, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 199559, independent: 197819, independent conditional: 197463, independent unconditional: 356, dependent: 1740, dependent conditional: 1740, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 199559, independent: 197819, independent conditional: 197463, independent unconditional: 356, dependent: 1740, dependent conditional: 1740, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 204734, independent: 197819, independent conditional: 94768, independent unconditional: 103051, dependent: 6915, dependent conditional: 5184, dependent unconditional: 1731, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 204734, independent: 197819, independent conditional: 44568, independent unconditional: 153251, dependent: 6915, dependent conditional: 1456, dependent unconditional: 5459, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 204734, independent: 197819, independent conditional: 44568, independent unconditional: 153251, dependent: 6915, dependent conditional: 1456, dependent unconditional: 5459, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1228, independent: 1215, independent conditional: 205, 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: 1228, independent: 1198, independent conditional: 0, independent unconditional: 1198, 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: 61, independent: 18, independent conditional: 15, independent unconditional: 3, dependent: 43, dependent conditional: 32, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 204734, independent: 196604, independent conditional: 44363, independent unconditional: 152241, dependent: 6902, dependent conditional: 1452, dependent unconditional: 5450, unknown: 1228, unknown conditional: 209, unknown unconditional: 1019] , Statistics on independence cache: Total cache size (in pairs): 1228, Positive cache size: 1215, Positive conditional cache size: 205, 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: 53928, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 204734, independent: 197819, independent conditional: 94768, independent unconditional: 103051, dependent: 6915, dependent conditional: 5184, dependent unconditional: 1731, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 204734, independent: 197819, independent conditional: 44568, independent unconditional: 153251, dependent: 6915, dependent conditional: 1456, dependent unconditional: 5459, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 204734, independent: 197819, independent conditional: 44568, independent unconditional: 153251, dependent: 6915, dependent conditional: 1456, dependent unconditional: 5459, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1228, independent: 1215, independent conditional: 205, 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: 1228, independent: 1198, independent conditional: 0, independent unconditional: 1198, 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: 61, independent: 18, independent conditional: 15, independent unconditional: 3, dependent: 43, dependent conditional: 32, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 204734, independent: 196604, independent conditional: 44363, independent unconditional: 152241, dependent: 6902, dependent conditional: 1452, dependent unconditional: 5450, unknown: 1228, unknown conditional: 209, unknown unconditional: 1019] , Statistics on independence cache: Total cache size (in pairs): 1228, Positive cache size: 1215, Positive conditional cache size: 205, 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: 53928 ], Independence queries for same thread: 104 - 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: 8.4s, 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, 1.3s InterpolantComputationTime, 359 NumberOfCodeBlocks, 359 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 354 ConstructedInterpolants, 0 QuantifiedInterpolants, 744 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: 35, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-07 21:46:02,503 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 [2024-05-07 21:46:02,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...