/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 10:36:25,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 10:36:25,519 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 10:36:25,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 10:36:25,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 10:36:25,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 10:36:25,557 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 10:36:25,557 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 10:36:25,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 10:36:25,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 10:36:25,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 10:36:25,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 10:36:25,563 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 10:36:25,569 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 10:36:25,570 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 10:36:25,570 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 10:36:25,570 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 10:36:25,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 10:36:25,570 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 10:36:25,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 10:36:25,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 10:36:25,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 10:36:25,571 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 10:36:25,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 10:36:25,572 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 10:36:25,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 10:36:25,572 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 10:36:25,572 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 10:36:25,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 10:36:25,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 10:36:25,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 10:36:25,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 10:36:25,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 10:36:25,575 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 10:36:25,575 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 10:36:25,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 10:36:25,575 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 10:36:25,576 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 10:36:25,576 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 10:36:25,576 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP [2024-05-05 10:36:25,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 10:36:25,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 10:36:25,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 10:36:25,915 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 10:36:25,916 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 10:36:25,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2024-05-05 10:36:27,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 10:36:27,360 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 10:36:27,360 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2024-05-05 10:36:27,370 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/05ebddfde/55c0561a4861465db597eba754b2b3ae/FLAG48379655d [2024-05-05 10:36:27,384 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/05ebddfde/55c0561a4861465db597eba754b2b3ae [2024-05-05 10:36:27,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 10:36:27,388 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 10:36:27,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 10:36:27,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 10:36:27,394 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 10:36:27,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 10:36:27" (1/1) ... [2024-05-05 10:36:27,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ea0138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:36:27, skipping insertion in model container [2024-05-05 10:36:27,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 10:36:27" (1/1) ... [2024-05-05 10:36:27,422 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 10:36:27,561 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c[3134,3147] [2024-05-05 10:36:27,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 10:36:27,578 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 10:36:27,601 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c[3134,3147] [2024-05-05 10:36:27,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 10:36:27,609 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 10:36:27,610 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 10:36:27,617 INFO L206 MainTranslator]: Completed translation [2024-05-05 10:36:27,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:36:27 WrapperNode [2024-05-05 10:36:27,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 10:36:27,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 10:36:27,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 10:36:27,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 10:36:27,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:36:27" (1/1) ... [2024-05-05 10:36:27,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:36:27" (1/1) ... [2024-05-05 10:36:27,654 INFO L138 Inliner]: procedures = 21, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 124 [2024-05-05 10:36:27,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 10:36:27,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 10:36:27,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 10:36:27,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 10:36:27,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:36:27" (1/1) ... [2024-05-05 10:36:27,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:36:27" (1/1) ... [2024-05-05 10:36:27,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:36:27" (1/1) ... [2024-05-05 10:36:27,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:36:27" (1/1) ... [2024-05-05 10:36:27,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:36:27" (1/1) ... [2024-05-05 10:36:27,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:36:27" (1/1) ... [2024-05-05 10:36:27,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:36:27" (1/1) ... [2024-05-05 10:36:27,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:36:27" (1/1) ... [2024-05-05 10:36:27,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 10:36:27,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 10:36:27,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 10:36:27,683 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 10:36:27,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:36:27" (1/1) ... [2024-05-05 10:36:27,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 10:36:27,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 10:36:27,715 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) [2024-05-05 10:36:27,721 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 [2024-05-05 10:36:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 10:36:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-05 10:36:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-05 10:36:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-05 10:36:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-05 10:36:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 10:36:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 10:36:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 10:36:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-05 10:36:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-05 10:36:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 10:36:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 10:36:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 10:36:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 10:36:27,766 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-05 10:36:27,845 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 10:36:27,847 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 10:36:28,105 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 10:36:28,149 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 10:36:28,149 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-05 10:36:28,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 10:36:28 BoogieIcfgContainer [2024-05-05 10:36:28,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 10:36:28,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 10:36:28,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 10:36:28,178 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 10:36:28,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 10:36:27" (1/3) ... [2024-05-05 10:36:28,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1912c894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 10:36:28, skipping insertion in model container [2024-05-05 10:36:28,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:36:27" (2/3) ... [2024-05-05 10:36:28,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1912c894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 10:36:28, skipping insertion in model container [2024-05-05 10:36:28,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 10:36:28" (3/3) ... [2024-05-05 10:36:28,181 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2024-05-05 10:36:28,189 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 10:36:28,200 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 10:36:28,200 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 10:36:28,200 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 10:36:28,294 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-05 10:36:28,357 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 10:36:28,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 10:36:28,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 10:36:28,364 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) [2024-05-05 10:36:28,391 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 [2024-05-05 10:36:28,413 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 10:36:28,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:36:28,429 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 10:36:28,438 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;@4d407962, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 10:36:28,439 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-05 10:36:28,512 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 10:36:28,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:36:28,517 INFO L85 PathProgramCache]: Analyzing trace with hash -805329876, now seen corresponding path program 1 times [2024-05-05 10:36:28,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:36:28,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263429231] [2024-05-05 10:36:28,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:36:28,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:36:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:36:28,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 10:36:28,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:36:28,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263429231] [2024-05-05 10:36:28,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263429231] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 10:36:28,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 10:36:28,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 10:36:28,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900095421] [2024-05-05 10:36:28,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 10:36:28,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 10:36:28,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:36:28,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 10:36:28,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 10:36:28,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:28,886 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:36:28,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 60.5) internal successors, (121), 2 states have internal predecessors, (121), 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) [2024-05-05 10:36:28,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:28,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:28,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 10:36:28,930 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 10:36:28,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:36:28,931 INFO L85 PathProgramCache]: Analyzing trace with hash 823954128, now seen corresponding path program 1 times [2024-05-05 10:36:28,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:36:28,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015790136] [2024-05-05 10:36:28,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:36:28,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:36:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:36:29,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 10:36:29,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:36:29,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015790136] [2024-05-05 10:36:29,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015790136] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 10:36:29,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 10:36:29,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-05 10:36:29,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125533121] [2024-05-05 10:36:29,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 10:36:29,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-05 10:36:29,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:36:29,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-05 10:36:29,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-05-05 10:36:29,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:29,683 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:36:29,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 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) [2024-05-05 10:36:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:29,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:29,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:29,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 10:36:29,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-05 10:36:29,821 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 10:36:29,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:36:29,822 INFO L85 PathProgramCache]: Analyzing trace with hash 331806585, now seen corresponding path program 1 times [2024-05-05 10:36:29,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:36:29,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555265133] [2024-05-05 10:36:29,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:36:29,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:36:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:36:30,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 10:36:30,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:36:30,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555265133] [2024-05-05 10:36:30,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555265133] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 10:36:30,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 10:36:30,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-05-05 10:36:30,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349504147] [2024-05-05 10:36:30,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 10:36:30,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-05-05 10:36:30,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:36:30,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-05 10:36:30,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-05-05 10:36:30,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:30,530 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:36:30,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 11 states have internal predecessors, (113), 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) [2024-05-05 10:36:30,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:30,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 10:36:30,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:30,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:30,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 10:36:30,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-05 10:36:30,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-05 10:36:30,718 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 10:36:30,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:36:30,719 INFO L85 PathProgramCache]: Analyzing trace with hash -650429182, now seen corresponding path program 1 times [2024-05-05 10:36:30,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:36:30,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823462346] [2024-05-05 10:36:30,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:36:30,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:36:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:36:31,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 10:36:31,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:36:31,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823462346] [2024-05-05 10:36:31,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823462346] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 10:36:31,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 10:36:31,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-05-05 10:36:31,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423490403] [2024-05-05 10:36:31,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 10:36:31,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-05 10:36:31,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:36:31,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-05 10:36:31,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-05-05 10:36:31,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:31,155 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:36:31,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.3) internal successors, (113), 10 states have internal predecessors, (113), 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) [2024-05-05 10:36:31,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:31,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 10:36:31,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-05 10:36:31,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:31,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:31,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 10:36:31,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-05 10:36:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-05 10:36:31,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-05 10:36:31,267 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 10:36:31,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:36:31,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1932511481, now seen corresponding path program 1 times [2024-05-05 10:36:31,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:36:31,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913527853] [2024-05-05 10:36:31,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:36:31,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:36:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:36:31,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 10:36:31,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:36:31,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913527853] [2024-05-05 10:36:31,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913527853] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 10:36:31,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 10:36:31,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-05 10:36:31,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595994042] [2024-05-05 10:36:31,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 10:36:31,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-05 10:36:31,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:36:31,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-05 10:36:31,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-05-05 10:36:31,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:31,425 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:36:31,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 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) [2024-05-05 10:36:31,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:31,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 10:36:31,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-05 10:36:31,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-05 10:36:31,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:31,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-05 10:36:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-05 10:36:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-05 10:36:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 10:36:31,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-05 10:36:31,641 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-05 10:36:31,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:36:31,641 INFO L85 PathProgramCache]: Analyzing trace with hash 704091841, now seen corresponding path program 2 times [2024-05-05 10:36:31,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:36:31,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397631653] [2024-05-05 10:36:31,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:36:31,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:36:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:36:32,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 10:36:32,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:36:32,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397631653] [2024-05-05 10:36:32,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397631653] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 10:36:32,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 10:36:32,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-05 10:36:32,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929968607] [2024-05-05 10:36:32,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 10:36:32,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-05 10:36:32,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:36:32,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-05 10:36:32,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-05-05 10:36:32,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:32,044 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:36:32,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 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) [2024-05-05 10:36:32,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:32,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-05 10:36:32,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-05 10:36:32,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-05 10:36:32,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 10:36:32,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:32,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:36:32,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-05 10:36:32,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-05 10:36:32,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-05 10:36:32,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 10:36:32,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-05 10:36:32,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-05 10:36:32,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-05 10:36:32,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-05 10:36:32,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-05 10:36:32,465 INFO L448 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-05-05 10:36:32,467 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-05 10:36:32,467 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-05 10:36:32,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.05 10:36:32 BasicIcfg [2024-05-05 10:36:32,474 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-05 10:36:32,474 INFO L158 Benchmark]: Toolchain (without parser) took 5086.12ms. Allocated memory was 273.7MB in the beginning and 329.3MB in the end (delta: 55.6MB). Free memory was 203.1MB in the beginning and 226.2MB in the end (delta: -23.1MB). Peak memory consumption was 33.8MB. Max. memory is 8.0GB. [2024-05-05 10:36:32,474 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 273.7MB. Free memory is still 242.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-05 10:36:32,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.10ms. Allocated memory is still 273.7MB. Free memory was 202.8MB in the beginning and 191.5MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-05 10:36:32,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.58ms. Allocated memory is still 273.7MB. Free memory was 191.5MB in the beginning and 189.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-05 10:36:32,475 INFO L158 Benchmark]: Boogie Preprocessor took 26.65ms. Allocated memory is still 273.7MB. Free memory was 189.7MB in the beginning and 188.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-05 10:36:32,476 INFO L158 Benchmark]: RCFGBuilder took 468.67ms. Allocated memory is still 273.7MB. Free memory was 188.2MB in the beginning and 170.1MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2024-05-05 10:36:32,477 INFO L158 Benchmark]: TraceAbstraction took 4302.89ms. Allocated memory was 273.7MB in the beginning and 329.3MB in the end (delta: 55.6MB). Free memory was 241.4MB in the beginning and 226.2MB in the end (delta: 15.3MB). Peak memory consumption was 71.2MB. Max. memory is 8.0GB. [2024-05-05 10:36:32,478 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 273.7MB. Free memory is still 242.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 229.10ms. Allocated memory is still 273.7MB. Free memory was 202.8MB in the beginning and 191.5MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.58ms. Allocated memory is still 273.7MB. Free memory was 191.5MB in the beginning and 189.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.65ms. Allocated memory is still 273.7MB. Free memory was 189.7MB in the beginning and 188.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 468.67ms. Allocated memory is still 273.7MB. Free memory was 188.2MB in the beginning and 170.1MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 4302.89ms. Allocated memory was 273.7MB in the beginning and 329.3MB in the end (delta: 55.6MB). Free memory was 241.4MB in the beginning and 226.2MB in the end (delta: 15.3MB). Peak memory consumption was 71.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2288, independent: 2167, independent conditional: 2164, independent unconditional: 3, dependent: 121, dependent conditional: 121, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2177, independent: 2167, independent conditional: 2164, independent unconditional: 3, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2177, independent: 2167, independent conditional: 2164, independent unconditional: 3, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2177, independent: 2167, independent conditional: 2164, independent unconditional: 3, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2212, independent: 2167, independent conditional: 120, independent unconditional: 2047, dependent: 45, dependent conditional: 29, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2212, independent: 2167, independent conditional: 66, independent unconditional: 2101, dependent: 45, dependent conditional: 13, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2212, independent: 2167, independent conditional: 66, independent unconditional: 2101, dependent: 45, dependent conditional: 13, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 250, independent: 236, independent conditional: 10, independent unconditional: 226, dependent: 14, dependent conditional: 9, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 250, independent: 230, independent conditional: 0, independent unconditional: 230, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 20, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 14, dependent conditional: 9, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 14, dependent conditional: 9, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 77, dependent conditional: 27, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2212, independent: 1931, independent conditional: 56, independent unconditional: 1875, dependent: 31, dependent conditional: 4, dependent unconditional: 27, unknown: 250, unknown conditional: 19, unknown unconditional: 231] , Statistics on independence cache: Total cache size (in pairs): 250, Positive cache size: 236, Positive conditional cache size: 10, Positive unconditional cache size: 226, Negative cache size: 14, Negative conditional cache size: 9, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 70, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2212, independent: 2167, independent conditional: 120, independent unconditional: 2047, dependent: 45, dependent conditional: 29, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2212, independent: 2167, independent conditional: 66, independent unconditional: 2101, dependent: 45, dependent conditional: 13, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2212, independent: 2167, independent conditional: 66, independent unconditional: 2101, dependent: 45, dependent conditional: 13, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 250, independent: 236, independent conditional: 10, independent unconditional: 226, dependent: 14, dependent conditional: 9, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 250, independent: 230, independent conditional: 0, independent unconditional: 230, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 20, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 14, dependent conditional: 9, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 14, dependent conditional: 9, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 91, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 77, dependent conditional: 27, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2212, independent: 1931, independent conditional: 56, independent unconditional: 1875, dependent: 31, dependent conditional: 4, dependent unconditional: 27, unknown: 250, unknown conditional: 19, unknown unconditional: 231] , Statistics on independence cache: Total cache size (in pairs): 250, Positive cache size: 236, Positive conditional cache size: 10, Positive unconditional cache size: 226, Negative cache size: 14, Negative conditional cache size: 9, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 70 ], Independence queries for same thread: 111 - PositiveResult [Line: 115]: 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 5 procedures, 154 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.2s, 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: 55, 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, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 686 NumberOfCodeBlocks, 686 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 680 ConstructedInterpolants, 0 QuantifiedInterpolants, 1929 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-05 10:36:32,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-05 10:36:32,710 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...