/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 04:17:58,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 04:17:58,627 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 04:17:58,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 04:17:58,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 04:17:58,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 04:17:58,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 04:17:58,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 04:17:58,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 04:17:58,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 04:17:58,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 04:17:58,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 04:17:58,662 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 04:17:58,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 04:17:58,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 04:17:58,663 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 04:17:58,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 04:17:58,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 04:17:58,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 04:17:58,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 04:17:58,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 04:17:58,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 04:17:58,665 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 04:17:58,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 04:17:58,665 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 04:17:58,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 04:17:58,665 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 04:17:58,665 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 04:17:58,665 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 04:17:58,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 04:17:58,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 04:17:58,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 04:17:58,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 04:17:58,667 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 04:17:58,667 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 04:17:58,667 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 04:17:58,667 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 04:17:58,667 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 04:17:58,667 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 04:17:58,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-05-06 04:17:58,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 04:17:58,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 04:17:58,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 04:17:58,878 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 04:17:58,878 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 04:17:58,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2024-05-06 04:17:59,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 04:17:59,978 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 04:17:59,979 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2024-05-06 04:17:59,984 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/58dff5321/96e99d91a340412f928e868e33a4ae49/FLAGfcd001b8e [2024-05-06 04:18:00,001 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/58dff5321/96e99d91a340412f928e868e33a4ae49 [2024-05-06 04:18:00,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 04:18:00,006 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 04:18:00,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 04:18:00,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 04:18:00,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 04:18:00,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 04:18:00" (1/1) ... [2024-05-06 04:18:00,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500e65c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:18:00, skipping insertion in model container [2024-05-06 04:18:00,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 04:18:00" (1/1) ... [2024-05-06 04:18:00,037 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 04:18:00,149 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2024-05-06 04:18:00,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 04:18:00,161 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 04:18:00,175 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2024-05-06 04:18:00,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 04:18:00,181 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 04:18:00,181 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 04:18:00,186 INFO L206 MainTranslator]: Completed translation [2024-05-06 04:18:00,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:18:00 WrapperNode [2024-05-06 04:18:00,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 04:18:00,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 04:18:00,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 04:18:00,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 04:18:00,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:18:00" (1/1) ... [2024-05-06 04:18:00,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:18:00" (1/1) ... [2024-05-06 04:18:00,212 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-05-06 04:18:00,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 04:18:00,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 04:18:00,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 04:18:00,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 04:18:00,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:18:00" (1/1) ... [2024-05-06 04:18:00,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:18:00" (1/1) ... [2024-05-06 04:18:00,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:18:00" (1/1) ... [2024-05-06 04:18:00,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:18:00" (1/1) ... [2024-05-06 04:18:00,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:18:00" (1/1) ... [2024-05-06 04:18:00,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:18:00" (1/1) ... [2024-05-06 04:18:00,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:18:00" (1/1) ... [2024-05-06 04:18:00,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:18:00" (1/1) ... [2024-05-06 04:18:00,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 04:18:00,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 04:18:00,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 04:18:00,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 04:18:00,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:18:00" (1/1) ... [2024-05-06 04:18:00,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 04:18:00,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 04:18:00,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-06 04:18:00,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-06 04:18:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 04:18:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-06 04:18:00,319 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-06 04:18:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-06 04:18:00,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-06 04:18:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 04:18:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 04:18:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 04:18:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-06 04:18:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-06 04:18:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 04:18:00,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 04:18:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 04:18:00,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 04:18:00,321 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 04:18:00,390 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 04:18:00,391 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 04:18:00,497 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 04:18:00,531 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 04:18:00,531 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-06 04:18:00,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 04:18:00 BoogieIcfgContainer [2024-05-06 04:18:00,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 04:18:00,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 04:18:00,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 04:18:00,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 04:18:00,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 04:18:00" (1/3) ... [2024-05-06 04:18:00,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de24140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 04:18:00, skipping insertion in model container [2024-05-06 04:18:00,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 04:18:00" (2/3) ... [2024-05-06 04:18:00,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de24140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 04:18:00, skipping insertion in model container [2024-05-06 04:18:00,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 04:18:00" (3/3) ... [2024-05-06 04:18:00,540 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr.wvr.c [2024-05-06 04:18:00,546 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 04:18:00,553 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 04:18:00,553 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 04:18:00,554 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 04:18:00,605 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-06 04:18:00,633 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 04:18:00,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 04:18:00,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 04:18:00,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-06 04:18:00,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-06 04:18:00,677 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 04:18:00,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 04:18:00,690 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 04:18:00,697 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;@a6b2db6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 04:18:00,697 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-06 04:18:01,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1803503277, now seen corresponding path program 1 times [2024-05-06 04:18:01,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:01,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:01,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 04:18:01,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:01,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:01,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 04:18:01,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 04:18:01,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-06 04:18:01,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1041553886, now seen corresponding path program 1 times [2024-05-06 04:18:01,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:01,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:01,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 04:18:01,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:01,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:01,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 04:18:01,677 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 04:18:01,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 04:18:01,678 INFO L85 PathProgramCache]: Analyzing trace with hash -775752303, now seen corresponding path program 1 times [2024-05-06 04:18:01,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 04:18:01,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54777814] [2024-05-06 04:18:01,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:01,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:01,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 04:18:01,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 04:18:01,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54777814] [2024-05-06 04:18:01,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54777814] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 04:18:01,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 04:18:01,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-06 04:18:01,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920383507] [2024-05-06 04:18:01,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 04:18:01,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-06 04:18:01,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 04:18:01,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 04:18:01,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-05-06 04:18:01,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:18:01,789 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 04:18:01,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 04:18:01,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:18:01,933 INFO L85 PathProgramCache]: Analyzing trace with hash 960795488, now seen corresponding path program 1 times [2024-05-06 04:18:01,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:01,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:01,996 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-06 04:18:01,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:01,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:02,075 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-06 04:18:02,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 04:18:02,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-05-06 04:18:02,094 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 04:18:02,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 04:18:02,095 INFO L85 PathProgramCache]: Analyzing trace with hash -118411185, now seen corresponding path program 1 times [2024-05-06 04:18:02,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 04:18:02,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82494727] [2024-05-06 04:18:02,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:02,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:02,322 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 04:18:02,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 04:18:02,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82494727] [2024-05-06 04:18:02,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82494727] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 04:18:02,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970639066] [2024-05-06 04:18:02,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:02,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 04:18:02,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 04:18:02,326 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 04:18:02,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-06 04:18:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:02,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-06 04:18:02,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 04:18:02,605 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 04:18:02,606 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 04:18:02,780 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 04:18:02,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970639066] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 04:18:02,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 04:18:02,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 8] total 22 [2024-05-06 04:18:02,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873895054] [2024-05-06 04:18:02,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 04:18:02,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-06 04:18:02,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 04:18:02,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-06 04:18:02,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2024-05-06 04:18:02,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:18:02,784 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 04:18:02,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.7272727272727275) internal successors, (148), 22 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 04:18:02,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 04:18:02,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:18:03,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1795456098, now seen corresponding path program 2 times [2024-05-06 04:18:03,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:03,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:03,407 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-06 04:18:03,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:03,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:03,479 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-06 04:18:03,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1870666881, now seen corresponding path program 3 times [2024-05-06 04:18:03,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:03,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 04:18:03,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 04:18:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 04:18:03,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 04:18:03,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 04:18:03,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-06 04:18:03,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-05-06 04:18:03,929 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 04:18:03,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 04:18:03,929 INFO L85 PathProgramCache]: Analyzing trace with hash 2097839076, now seen corresponding path program 2 times [2024-05-06 04:18:03,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 04:18:03,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667779460] [2024-05-06 04:18:03,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:03,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:04,120 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-06 04:18:04,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 04:18:04,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667779460] [2024-05-06 04:18:04,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667779460] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 04:18:04,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864090092] [2024-05-06 04:18:04,121 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 04:18:04,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 04:18:04,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 04:18:04,122 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 04:18:04,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-06 04:18:04,186 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 04:18:04,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 04:18:04,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 19 conjunts are in the unsatisfiable core [2024-05-06 04:18:04,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 04:18:04,261 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-06 04:18:04,261 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 04:18:04,741 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 04:18:04,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864090092] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 04:18:04,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 04:18:04,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 13] total 15 [2024-05-06 04:18:04,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767405879] [2024-05-06 04:18:04,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 04:18:04,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-06 04:18:04,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 04:18:04,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-06 04:18:04,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-05-06 04:18:04,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:18:04,743 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 04:18:04,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 04:18:04,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 04:18:04,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 04:18:04,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:18:05,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1926438782, now seen corresponding path program 4 times [2024-05-06 04:18:05,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:05,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:05,121 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-06 04:18:05,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:05,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:05,202 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-06 04:18:05,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1941331041, now seen corresponding path program 5 times [2024-05-06 04:18:05,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:05,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:05,455 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-06 04:18:05,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:05,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:05,542 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-06 04:18:05,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 04:18:05,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 04:18:05,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 04:18:05,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-06 04:18:05,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-05-06 04:18:05,762 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 04:18:05,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 04:18:05,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1748303812, now seen corresponding path program 3 times [2024-05-06 04:18:05,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 04:18:05,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81495311] [2024-05-06 04:18:05,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:05,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:06,159 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 29 proven. 62 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-06 04:18:06,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 04:18:06,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81495311] [2024-05-06 04:18:06,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81495311] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 04:18:06,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551237724] [2024-05-06 04:18:06,160 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 04:18:06,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 04:18:06,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 04:18:06,161 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 04:18:06,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-06 04:18:06,229 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-06 04:18:06,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 04:18:06,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 20 conjunts are in the unsatisfiable core [2024-05-06 04:18:06,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 04:18:06,719 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 18 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 04:18:06,719 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 04:18:07,179 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 49 proven. 38 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-06 04:18:07,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551237724] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 04:18:07,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 04:18:07,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 16] total 55 [2024-05-06 04:18:07,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737859578] [2024-05-06 04:18:07,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 04:18:07,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-05-06 04:18:07,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 04:18:07,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-05-06 04:18:07,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=2575, Unknown=0, NotChecked=0, Total=2970 [2024-05-06 04:18:07,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:18:07,186 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 04:18:07,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 4.236363636363636) internal successors, (233), 55 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 04:18:07,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 04:18:07,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 04:18:07,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 04:18:07,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:18:09,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 04:18:09,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 04:18:09,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-06 04:18:09,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-06 04:18:09,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-06 04:18:09,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-05-06 04:18:09,243 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 04:18:09,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 04:18:09,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1249700590, now seen corresponding path program 4 times [2024-05-06 04:18:09,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 04:18:09,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469400057] [2024-05-06 04:18:09,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:09,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:09,674 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 59 proven. 133 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-05-06 04:18:09,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 04:18:09,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469400057] [2024-05-06 04:18:09,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469400057] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 04:18:09,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086091017] [2024-05-06 04:18:09,675 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-06 04:18:09,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 04:18:09,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 04:18:09,676 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 04:18:09,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-06 04:18:09,734 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-06 04:18:09,734 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 04:18:09,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 35 conjunts are in the unsatisfiable core [2024-05-06 04:18:09,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 04:18:10,431 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 59 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 04:18:10,431 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 04:18:12,128 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 106 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 04:18:12,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086091017] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 04:18:12,128 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 04:18:12,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 31, 30] total 77 [2024-05-06 04:18:12,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270474120] [2024-05-06 04:18:12,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 04:18:12,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-05-06 04:18:12,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 04:18:12,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-05-06 04:18:12,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=844, Invalid=5008, Unknown=0, NotChecked=0, Total=5852 [2024-05-06 04:18:12,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:18:12,132 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 04:18:12,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 3.207792207792208) internal successors, (247), 77 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 04:18:12,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 04:18:12,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 04:18:12,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-06 04:18:12,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-06 04:18:12,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:18:14,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 04:18:14,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 04:18:14,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 04:18:14,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-06 04:18:14,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-05-06 04:18:14,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-06 04:18:14,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-06 04:18:14,639 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 04:18:14,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 04:18:14,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1446356590, now seen corresponding path program 5 times [2024-05-06 04:18:14,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 04:18:14,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213512491] [2024-05-06 04:18:14,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:14,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 7 proven. 84 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-05-06 04:18:15,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 04:18:15,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213512491] [2024-05-06 04:18:15,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213512491] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 04:18:15,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947693386] [2024-05-06 04:18:15,132 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-06 04:18:15,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 04:18:15,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 04:18:15,133 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 04:18:15,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-06 04:18:15,202 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-05-06 04:18:15,202 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 04:18:15,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 23 conjunts are in the unsatisfiable core [2024-05-06 04:18:15,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 04:18:15,289 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 7 proven. 43 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-05-06 04:18:15,289 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 04:18:15,459 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 13 proven. 37 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-05-06 04:18:15,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947693386] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 04:18:15,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 04:18:15,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6, 6] total 20 [2024-05-06 04:18:15,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402607322] [2024-05-06 04:18:15,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 04:18:15,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-05-06 04:18:15,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 04:18:15,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-05-06 04:18:15,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2024-05-06 04:18:15,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:18:15,461 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 04:18:15,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.85) internal successors, (137), 20 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 04:18:15,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 04:18:15,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 04:18:15,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 04:18:15,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-06 04:18:15,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-05-06 04:18:15,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:18:17,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1658391037, now seen corresponding path program 6 times [2024-05-06 04:18:17,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:17,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:17,350 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 5 proven. 163 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-05-06 04:18:17,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:17,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 8 proven. 160 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-05-06 04:18:17,736 INFO L85 PathProgramCache]: Analyzing trace with hash 599398400, now seen corresponding path program 7 times [2024-05-06 04:18:17,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:17,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:18,088 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 25 proven. 215 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-05-06 04:18:18,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:18,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:18,490 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 25 proven. 215 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-05-06 04:18:18,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 04:18:18,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 04:18:18,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 04:18:18,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-06 04:18:18,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-05-06 04:18:18,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-06 04:18:18,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-06 04:18:18,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22 [2024-05-06 04:18:18,706 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 04:18:18,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 04:18:18,707 INFO L85 PathProgramCache]: Analyzing trace with hash 792968464, now seen corresponding path program 6 times [2024-05-06 04:18:18,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 04:18:18,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721929554] [2024-05-06 04:18:18,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 04:18:18,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 04:18:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 04:18:19,672 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 26 proven. 391 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-05-06 04:18:19,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 04:18:19,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721929554] [2024-05-06 04:18:19,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721929554] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 04:18:19,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686313243] [2024-05-06 04:18:19,673 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-06 04:18:19,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 04:18:19,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 04:18:19,674 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 04:18:19,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-06 04:18:19,773 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-05-06 04:18:19,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 04:18:19,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 67 conjunts are in the unsatisfiable core [2024-05-06 04:18:19,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 04:18:21,449 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 15 proven. 521 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 04:18:21,449 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 04:18:33,394 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 18 proven. 520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 04:18:33,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686313243] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 04:18:33,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 04:18:33,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 54, 57] total 132 [2024-05-06 04:18:33,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440055524] [2024-05-06 04:18:33,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 04:18:33,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2024-05-06 04:18:33,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 04:18:33,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2024-05-06 04:18:33,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1729, Invalid=15563, Unknown=0, NotChecked=0, Total=17292 [2024-05-06 04:18:33,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:18:33,416 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 04:18:33,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 2.537878787878788) internal successors, (335), 132 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 04:18:33,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 04:18:33,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 04:18:33,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 04:18:33,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-06 04:18:33,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-05-06 04:18:33,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-06 04:18:33,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 04:20:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 04:20:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-06 04:20:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 04:20:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-05-06 04:20:22,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-05-06 04:20:22,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-06 04:20:22,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-05-06 04:20:22,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-06 04:20:22,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-06 04:20:22,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-06 04:20:22,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-06 04:20:22,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-05-06 04:20:22,988 INFO L448 BasicCegarLoop]: Path program histogram: [7, 6, 1, 1, 1] [2024-05-06 04:20:22,990 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-06 04:20:22,990 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-06 04:20:22,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 04:20:22 BasicIcfg [2024-05-06 04:20:22,992 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-06 04:20:22,993 INFO L158 Benchmark]: Toolchain (without parser) took 142986.74ms. Allocated memory was 154.1MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 88.2MB in the beginning and 681.8MB in the end (delta: -593.6MB). Peak memory consumption was 535.2MB. Max. memory is 8.0GB. [2024-05-06 04:20:22,993 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 154.1MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-06 04:20:22,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.11ms. Allocated memory is still 154.1MB. Free memory was 88.0MB in the beginning and 77.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-05-06 04:20:22,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.46ms. Allocated memory is still 154.1MB. Free memory was 77.0MB in the beginning and 75.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-06 04:20:22,993 INFO L158 Benchmark]: Boogie Preprocessor took 43.34ms. Allocated memory was 154.1MB in the beginning and 232.8MB in the end (delta: 78.6MB). Free memory was 75.4MB in the beginning and 205.2MB in the end (delta: -129.8MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. [2024-05-06 04:20:22,993 INFO L158 Benchmark]: RCFGBuilder took 275.64ms. Allocated memory is still 232.8MB. Free memory was 205.2MB in the beginning and 190.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-05-06 04:20:22,994 INFO L158 Benchmark]: TraceAbstraction took 142457.73ms. Allocated memory was 232.8MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 188.4MB in the beginning and 681.8MB in the end (delta: -493.4MB). Peak memory consumption was 555.7MB. Max. memory is 8.0GB. [2024-05-06 04:20:22,995 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 154.1MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 177.11ms. Allocated memory is still 154.1MB. Free memory was 88.0MB in the beginning and 77.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.46ms. Allocated memory is still 154.1MB. Free memory was 77.0MB in the beginning and 75.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.34ms. Allocated memory was 154.1MB in the beginning and 232.8MB in the end (delta: 78.6MB). Free memory was 75.4MB in the beginning and 205.2MB in the end (delta: -129.8MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. * RCFGBuilder took 275.64ms. Allocated memory is still 232.8MB. Free memory was 205.2MB in the beginning and 190.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 142457.73ms. Allocated memory was 232.8MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 188.4MB in the beginning and 681.8MB in the end (delta: -493.4MB). Peak memory consumption was 555.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 69358, independent: 65683, independent conditional: 65470, independent unconditional: 213, dependent: 3675, dependent conditional: 3672, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 66781, independent: 65683, independent conditional: 65470, independent unconditional: 213, dependent: 1098, dependent conditional: 1095, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66781, independent: 65683, independent conditional: 65470, independent unconditional: 213, dependent: 1098, dependent conditional: 1095, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 66781, independent: 65683, independent conditional: 65470, independent unconditional: 213, dependent: 1098, dependent conditional: 1095, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 70004, independent: 65683, independent conditional: 28040, independent unconditional: 37643, dependent: 4321, dependent conditional: 3218, dependent unconditional: 1103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 70004, independent: 65683, independent conditional: 23591, independent unconditional: 42092, dependent: 4321, dependent conditional: 3212, dependent unconditional: 1109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 70004, independent: 65683, independent conditional: 23591, independent unconditional: 42092, dependent: 4321, dependent conditional: 3212, dependent unconditional: 1109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 429, independent: 373, independent conditional: 55, independent unconditional: 318, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 429, independent: 348, independent conditional: 0, independent unconditional: 348, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 81, independent: 25, independent conditional: 25, independent unconditional: 0, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 81, independent: 25, independent conditional: 25, independent unconditional: 0, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, independent: 70, independent conditional: 70, independent unconditional: 0, dependent: 171, dependent conditional: 129, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 70004, independent: 65310, independent conditional: 23536, independent unconditional: 41774, dependent: 4265, dependent conditional: 3158, dependent unconditional: 1107, unknown: 429, unknown conditional: 109, unknown unconditional: 320] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 373, Positive conditional cache size: 55, Positive unconditional cache size: 318, Negative cache size: 56, Negative conditional cache size: 54, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4455, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 70004, independent: 65683, independent conditional: 28040, independent unconditional: 37643, dependent: 4321, dependent conditional: 3218, dependent unconditional: 1103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 70004, independent: 65683, independent conditional: 23591, independent unconditional: 42092, dependent: 4321, dependent conditional: 3212, dependent unconditional: 1109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 70004, independent: 65683, independent conditional: 23591, independent unconditional: 42092, dependent: 4321, dependent conditional: 3212, dependent unconditional: 1109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 429, independent: 373, independent conditional: 55, independent unconditional: 318, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 429, independent: 348, independent conditional: 0, independent unconditional: 348, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 81, independent: 25, independent conditional: 25, independent unconditional: 0, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 81, independent: 25, independent conditional: 25, independent unconditional: 0, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 240, independent: 70, independent conditional: 70, independent unconditional: 0, dependent: 171, dependent conditional: 129, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 70004, independent: 65310, independent conditional: 23536, independent unconditional: 41774, dependent: 4265, dependent conditional: 3158, dependent unconditional: 1107, unknown: 429, unknown conditional: 109, unknown unconditional: 320] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 373, Positive conditional cache size: 55, Positive unconditional cache size: 318, Negative cache size: 56, Negative conditional cache size: 54, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4455 ], Independence queries for same thread: 2577 - PositiveResult [Line: 77]: 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, 93 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 142.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 119.6s, 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: 667, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 20.8s InterpolantComputationTime, 1273 NumberOfCodeBlocks, 1268 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 1860 ConstructedInterpolants, 0 QuantifiedInterpolants, 22155 SizeOfPredicates, 100 NumberOfNonLiveVariables, 1170 ConjunctsInSsa, 173 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 981/3205 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: 65.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 833, ConditionalCommutativityTraceChecks: 9, ConditionalCommutativityImperfectProofs: 7 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-06 04:20:23,012 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 [2024-05-06 04:20:23,221 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...