/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 LOOP --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 06:36:25,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 06:36:26,031 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 06:36:26,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 06:36:26,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 06:36:26,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 06:36:26,066 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 06:36:26,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 06:36:26,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 06:36:26,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 06:36:26,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 06:36:26,070 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 06:36:26,071 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 06:36:26,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 06:36:26,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 06:36:26,072 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 06:36:26,072 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 06:36:26,072 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 06:36:26,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 06:36:26,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 06:36:26,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 06:36:26,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 06:36:26,074 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 06:36:26,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 06:36:26,075 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 06:36:26,075 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 06:36:26,075 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 06:36:26,075 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 06:36:26,076 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 06:36:26,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 06:36:26,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 06:36:26,077 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 06:36:26,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 06:36:26,078 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 06:36:26,078 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 06:36:26,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 06:36:26,078 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 06:36:26,078 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 06:36:26,078 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 06:36:26,079 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 06:36:26,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 06:36:26,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 06:36:26,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 06:36:26,298 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 06:36:26,300 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 06:36:26,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2024-05-07 06:36:27,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 06:36:27,418 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 06:36:27,418 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2024-05-07 06:36:27,424 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5d95d67d1/6d38dfb9aba1485683784c588567ac3b/FLAG40e8a5db1 [2024-05-07 06:36:27,441 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5d95d67d1/6d38dfb9aba1485683784c588567ac3b [2024-05-07 06:36:27,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 06:36:27,445 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 06:36:27,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 06:36:27,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 06:36:27,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 06:36:27,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 06:36:27" (1/1) ... [2024-05-07 06:36:27,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e31a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:36:27, skipping insertion in model container [2024-05-07 06:36:27,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 06:36:27" (1/1) ... [2024-05-07 06:36:27,470 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 06:36:27,576 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] [2024-05-07 06:36:27,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 06:36:27,586 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 06:36:27,600 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] [2024-05-07 06:36:27,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 06:36:27,605 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 06:36:27,605 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 06:36:27,610 INFO L206 MainTranslator]: Completed translation [2024-05-07 06:36:27,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:36:27 WrapperNode [2024-05-07 06:36:27,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 06:36:27,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 06:36:27,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 06:36:27,611 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 06:36:27,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:36:27" (1/1) ... [2024-05-07 06:36:27,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:36:27" (1/1) ... [2024-05-07 06:36:27,640 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-05-07 06:36:27,640 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 06:36:27,641 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 06:36:27,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 06:36:27,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 06:36:27,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:36:27" (1/1) ... [2024-05-07 06:36:27,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:36:27" (1/1) ... [2024-05-07 06:36:27,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:36:27" (1/1) ... [2024-05-07 06:36:27,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:36:27" (1/1) ... [2024-05-07 06:36:27,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:36:27" (1/1) ... [2024-05-07 06:36:27,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:36:27" (1/1) ... [2024-05-07 06:36:27,654 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:36:27" (1/1) ... [2024-05-07 06:36:27,655 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:36:27" (1/1) ... [2024-05-07 06:36:27,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 06:36:27,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 06:36:27,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 06:36:27,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 06:36:27,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:36:27" (1/1) ... [2024-05-07 06:36:27,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 06:36:27,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:36:27,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-07 06:36:27,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-07 06:36:27,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 06:36:27,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-07 06:36:27,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-07 06:36:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-07 06:36:27,721 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-07 06:36:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 06:36:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 06:36:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 06:36:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 06:36:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 06:36:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 06:36:27,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 06:36:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 06:36:27,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 06:36:27,722 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 06:36:27,817 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 06:36:27,819 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 06:36:27,932 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 06:36:27,966 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 06:36:27,967 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-07 06:36:27,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 06:36:27 BoogieIcfgContainer [2024-05-07 06:36:27,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 06:36:27,970 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 06:36:27,970 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 06:36:27,972 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 06:36:27,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 06:36:27" (1/3) ... [2024-05-07 06:36:27,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae2caf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 06:36:27, skipping insertion in model container [2024-05-07 06:36:27,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:36:27" (2/3) ... [2024-05-07 06:36:27,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae2caf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 06:36:27, skipping insertion in model container [2024-05-07 06:36:27,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 06:36:27" (3/3) ... [2024-05-07 06:36:27,974 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr.wvr.c [2024-05-07 06:36:27,979 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 06:36:27,986 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 06:36:27,986 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 06:36:27,987 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 06:36:28,037 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-07 06:36:28,081 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 06:36:28,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 06:36:28,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:36:28,084 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-07 06:36:28,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-07 06:36:28,114 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 06:36:28,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:36:28,127 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 06:36:28,132 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;@37b4b377, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-07 06:36:28,132 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-07 06:36:28,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1803503277, now seen corresponding path program 1 times [2024-05-07 06:36:28,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:28,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:36:28,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:28,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:28,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:36:28,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 06:36:28,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-07 06:36:28,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1041553886, now seen corresponding path program 1 times [2024-05-07 06:36:28,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:28,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:36:29,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:29,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:36:29,099 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 06:36:29,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:36:29,101 INFO L85 PathProgramCache]: Analyzing trace with hash -775752303, now seen corresponding path program 1 times [2024-05-07 06:36:29,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:36:29,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862998743] [2024-05-07 06:36:29,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:29,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:29,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:36:29,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:36:29,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862998743] [2024-05-07 06:36:29,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862998743] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 06:36:29,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 06:36:29,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 06:36:29,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854927184] [2024-05-07 06:36:29,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 06:36:29,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 06:36:29,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:36:29,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 06:36:29,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-05-07 06:36:29,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:36:29,230 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:36:29,231 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) [2024-05-07 06:36:29,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:36:29,425 INFO L85 PathProgramCache]: Analyzing trace with hash 960795488, now seen corresponding path program 1 times [2024-05-07 06:36:29,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:29,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:29,537 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 06:36:29,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:29,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:29,644 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 06:36:29,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:36:29,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-05-07 06:36:29,658 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 06:36:29,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:36:29,658 INFO L85 PathProgramCache]: Analyzing trace with hash -118411185, now seen corresponding path program 1 times [2024-05-07 06:36:29,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:36:29,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048883897] [2024-05-07 06:36:29,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:29,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:29,836 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:36:29,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:36:29,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048883897] [2024-05-07 06:36:29,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048883897] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:36:29,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167278748] [2024-05-07 06:36:29,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:29,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:36:29,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:36:29,870 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) [2024-05-07 06:36:29,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-07 06:36:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:29,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-07 06:36:29,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:36:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:36:30,150 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 06:36:30,333 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:36:30,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167278748] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 06:36:30,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 06:36:30,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 8] total 22 [2024-05-07 06:36:30,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400889040] [2024-05-07 06:36:30,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 06:36:30,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-07 06:36:30,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:36:30,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-07 06:36:30,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2024-05-07 06:36:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:36:30,338 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:36:30,339 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) [2024-05-07 06:36:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:36:30,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:36:30,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1795456098, now seen corresponding path program 2 times [2024-05-07 06:36:30,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:30,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:30,934 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-07 06:36:30,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:30,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-07 06:36:31,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1870666881, now seen corresponding path program 3 times [2024-05-07 06:36:31,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:31,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:36:31,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 06:36:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:36:31,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:36:31,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 06:36:31,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-07 06:36:31,409 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 [2024-05-07 06:36:31,409 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 06:36:31,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:36:31,413 INFO L85 PathProgramCache]: Analyzing trace with hash 2097839076, now seen corresponding path program 2 times [2024-05-07 06:36:31,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:36:31,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004163104] [2024-05-07 06:36:31,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:31,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:31,650 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-07 06:36:31,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:36:31,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004163104] [2024-05-07 06:36:31,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004163104] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:36:31,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804110831] [2024-05-07 06:36:31,651 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 06:36:31,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:36:31,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:36:31,653 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) [2024-05-07 06:36:31,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-07 06:36:31,716 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 06:36:31,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 06:36:31,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 19 conjunts are in the unsatisfiable core [2024-05-07 06:36:31,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:36:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-07 06:36:31,789 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 06:36:32,288 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:36:32,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804110831] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 06:36:32,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 06:36:32,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 13] total 15 [2024-05-07 06:36:32,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666006486] [2024-05-07 06:36:32,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 06:36:32,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-07 06:36:32,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:36:32,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-07 06:36:32,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-05-07 06:36:32,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:36:32,291 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:36:32,291 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) [2024-05-07 06:36:32,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:36:32,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 06:36:32,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:36:32,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1926438782, now seen corresponding path program 4 times [2024-05-07 06:36:32,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:32,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:32,665 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-07 06:36:32,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:32,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-07 06:36:32,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1941331041, now seen corresponding path program 5 times [2024-05-07 06:36:32,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:32,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:32,957 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-07 06:36:32,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:32,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:33,081 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-07 06:36:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:36:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 06:36:33,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 06:36:33,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-07 06:36:33,302 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 [2024-05-07 06:36:33,303 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 06:36:33,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:36:33,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1748303812, now seen corresponding path program 3 times [2024-05-07 06:36:33,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:36:33,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592768660] [2024-05-07 06:36:33,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:33,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:33,693 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 29 proven. 62 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-07 06:36:33,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:36:33,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592768660] [2024-05-07 06:36:33,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592768660] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:36:33,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177582661] [2024-05-07 06:36:33,694 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 06:36:33,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:36:33,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:36:33,695 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) [2024-05-07 06:36:33,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-07 06:36:33,768 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-07 06:36:33,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 06:36:33,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 20 conjunts are in the unsatisfiable core [2024-05-07 06:36:33,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:36:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 18 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:36:34,264 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 06:36:34,673 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 49 proven. 38 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-07 06:36:34,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177582661] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 06:36:34,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 06:36:34,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 16] total 55 [2024-05-07 06:36:34,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561167014] [2024-05-07 06:36:34,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 06:36:34,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-05-07 06:36:34,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:36:34,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-05-07 06:36:34,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=2575, Unknown=0, NotChecked=0, Total=2970 [2024-05-07 06:36:34,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:36:34,676 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:36:34,677 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) [2024-05-07 06:36:34,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:36:34,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 06:36:34,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 06:36:34,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:36:36,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:36:36,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 06:36:36,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:36:36,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-07 06:36:36,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-07 06:36:36,432 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 [2024-05-07 06:36:36,433 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 06:36:36,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:36:36,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1249700590, now seen corresponding path program 4 times [2024-05-07 06:36:36,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:36:36,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653107299] [2024-05-07 06:36:36,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:36,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:36,843 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 59 proven. 133 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-05-07 06:36:36,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:36:36,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653107299] [2024-05-07 06:36:36,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653107299] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:36:36,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926922286] [2024-05-07 06:36:36,844 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 06:36:36,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:36:36,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:36:36,845 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) [2024-05-07 06:36:36,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-07 06:36:36,909 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 06:36:36,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 06:36:36,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 35 conjunts are in the unsatisfiable core [2024-05-07 06:36:36,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:36:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 59 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:36:37,584 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 06:36:39,253 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 106 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:36:39,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926922286] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 06:36:39,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 06:36:39,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 31, 30] total 77 [2024-05-07 06:36:39,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511171285] [2024-05-07 06:36:39,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 06:36:39,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-05-07 06:36:39,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:36:39,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-05-07 06:36:39,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=844, Invalid=5008, Unknown=0, NotChecked=0, Total=5852 [2024-05-07 06:36:39,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:36:39,256 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:36:39,256 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) [2024-05-07 06:36:39,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:36:39,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 06:36:39,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:36:39,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-07 06:36:39,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:36:41,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:36:41,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 06:36:41,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 06:36:41,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-07 06:36:41,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-05-07 06:36:41,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-07 06:36:41,473 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 [2024-05-07 06:36:41,473 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 06:36:41,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:36:41,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1446356590, now seen corresponding path program 5 times [2024-05-07 06:36:41,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:36:41,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365906313] [2024-05-07 06:36:41,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:41,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:41,890 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 7 proven. 84 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-05-07 06:36:41,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:36:41,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365906313] [2024-05-07 06:36:41,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365906313] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:36:41,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329655805] [2024-05-07 06:36:41,890 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 06:36:41,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:36:41,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:36:41,892 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) [2024-05-07 06:36:41,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-07 06:36:41,988 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-05-07 06:36:41,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 06:36:41,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 23 conjunts are in the unsatisfiable core [2024-05-07 06:36:41,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:36:42,060 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 7 proven. 43 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-05-07 06:36:42,061 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 06:36:42,213 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 13 proven. 37 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-05-07 06:36:42,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329655805] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 06:36:42,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 06:36:42,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6, 6] total 20 [2024-05-07 06:36:42,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341382085] [2024-05-07 06:36:42,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 06:36:42,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-05-07 06:36:42,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:36:42,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-05-07 06:36:42,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2024-05-07 06:36:42,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:36:42,215 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:36:42,215 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) [2024-05-07 06:36:42,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:36:42,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 06:36:42,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 06:36:42,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-07 06:36:42,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-05-07 06:36:42,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:36:43,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:36:43,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 06:36:43,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 06:36:43,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-07 06:36:43,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-05-07 06:36:43,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-07 06:36:43,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-07 06:36:43,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:36:43,266 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 06:36:43,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:36:43,266 INFO L85 PathProgramCache]: Analyzing trace with hash 792968464, now seen corresponding path program 6 times [2024-05-07 06:36:43,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:36:43,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419569486] [2024-05-07 06:36:43,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:36:43,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:36:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:36:44,338 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 26 proven. 391 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-05-07 06:36:44,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:36:44,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419569486] [2024-05-07 06:36:44,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419569486] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:36:44,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888130217] [2024-05-07 06:36:44,338 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 06:36:44,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:36:44,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:36:44,340 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) [2024-05-07 06:36:44,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-07 06:36:44,427 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-05-07 06:36:44,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 06:36:44,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 57 conjunts are in the unsatisfiable core [2024-05-07 06:36:44,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:36:45,685 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 18 proven. 518 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-07 06:36:45,685 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 06:36:51,030 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 178 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:36:51,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888130217] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 06:36:51,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 06:36:51,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 47, 49] total 117 [2024-05-07 06:36:51,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171256856] [2024-05-07 06:36:51,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 06:36:51,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2024-05-07 06:36:51,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:36:51,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2024-05-07 06:36:51,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1539, Invalid=12033, Unknown=0, NotChecked=0, Total=13572 [2024-05-07 06:36:51,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:36:51,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:36:51,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 2.7777777777777777) internal successors, (325), 117 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 06:36:51,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:36:51,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 06:36:51,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 06:36:51,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-07 06:36:51,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-05-07 06:36:51,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-07 06:36:51,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:37:10,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:37:10,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-07 06:37:10,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 06:37:10,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-05-07 06:37:10,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-05-07 06:37:10,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-07 06:37:10,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2024-05-07 06:37:10,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-07 06:37:10,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-07 06:37:10,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-07 06:37:10,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-07 06:37:10,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:37:10,482 INFO L448 BasicCegarLoop]: Path program histogram: [6, 5, 1, 1, 1] [2024-05-07 06:37:10,484 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 06:37:10,484 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 06:37:10,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 06:37:10 BasicIcfg [2024-05-07 06:37:10,487 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 06:37:10,487 INFO L158 Benchmark]: Toolchain (without parser) took 43042.90ms. Allocated memory was 165.7MB in the beginning and 955.3MB in the end (delta: 789.6MB). Free memory was 96.4MB in the beginning and 461.5MB in the end (delta: -365.1MB). Peak memory consumption was 425.1MB. Max. memory is 8.0GB. [2024-05-07 06:37:10,488 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 165.7MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 06:37:10,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.27ms. Allocated memory is still 165.7MB. Free memory was 96.2MB in the beginning and 85.2MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-07 06:37:10,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.25ms. Allocated memory is still 165.7MB. Free memory was 85.2MB in the beginning and 83.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 06:37:10,490 INFO L158 Benchmark]: Boogie Preprocessor took 15.43ms. Allocated memory is still 165.7MB. Free memory was 83.6MB in the beginning and 82.3MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 06:37:10,490 INFO L158 Benchmark]: RCFGBuilder took 311.09ms. Allocated memory was 165.7MB in the beginning and 243.3MB in the end (delta: 77.6MB). Free memory was 82.3MB in the beginning and 204.5MB in the end (delta: -122.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-07 06:37:10,490 INFO L158 Benchmark]: TraceAbstraction took 42517.44ms. Allocated memory was 243.3MB in the beginning and 955.3MB in the end (delta: 712.0MB). Free memory was 203.4MB in the beginning and 461.5MB in the end (delta: -258.1MB). Peak memory consumption was 453.4MB. Max. memory is 8.0GB. [2024-05-07 06:37:10,491 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 165.7MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 164.27ms. Allocated memory is still 165.7MB. Free memory was 96.2MB in the beginning and 85.2MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.25ms. Allocated memory is still 165.7MB. Free memory was 85.2MB in the beginning and 83.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.43ms. Allocated memory is still 165.7MB. Free memory was 83.6MB in the beginning and 82.3MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 311.09ms. Allocated memory was 165.7MB in the beginning and 243.3MB in the end (delta: 77.6MB). Free memory was 82.3MB in the beginning and 204.5MB in the end (delta: -122.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 42517.44ms. Allocated memory was 243.3MB in the beginning and 955.3MB in the end (delta: 712.0MB). Free memory was 203.4MB in the beginning and 461.5MB in the end (delta: -258.1MB). Peak memory consumption was 453.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 69664, independent: 65963, independent conditional: 65750, independent unconditional: 213, dependent: 3701, dependent conditional: 3698, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 67061, independent: 65963, independent conditional: 65750, 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: 67061, independent: 65963, independent conditional: 65750, 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: 67061, independent: 65963, independent conditional: 65750, 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: 70284, independent: 65963, independent conditional: 28172, independent unconditional: 37791, 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: 70284, independent: 65963, independent conditional: 23590, independent unconditional: 42373, 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: 70284, independent: 65963, independent conditional: 23590, independent unconditional: 42373, 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: 434, independent: 378, independent conditional: 54, independent unconditional: 324, 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: 434, independent: 353, independent conditional: 0, independent unconditional: 353, 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: 222, independent: 57, independent conditional: 57, independent unconditional: 0, dependent: 165, dependent conditional: 109, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 70284, independent: 65585, independent conditional: 23536, independent unconditional: 42049, dependent: 4265, dependent conditional: 3158, dependent unconditional: 1107, unknown: 434, unknown conditional: 108, unknown unconditional: 326] , Statistics on independence cache: Total cache size (in pairs): 434, Positive cache size: 378, Positive conditional cache size: 54, Positive unconditional cache size: 324, 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: 4588, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 70284, independent: 65963, independent conditional: 28172, independent unconditional: 37791, 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: 70284, independent: 65963, independent conditional: 23590, independent unconditional: 42373, 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: 70284, independent: 65963, independent conditional: 23590, independent unconditional: 42373, 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: 434, independent: 378, independent conditional: 54, independent unconditional: 324, 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: 434, independent: 353, independent conditional: 0, independent unconditional: 353, 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: 222, independent: 57, independent conditional: 57, independent unconditional: 0, dependent: 165, dependent conditional: 109, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 70284, independent: 65585, independent conditional: 23536, independent unconditional: 42049, dependent: 4265, dependent conditional: 3158, dependent unconditional: 1107, unknown: 434, unknown conditional: 108, unknown unconditional: 326] , Statistics on independence cache: Total cache size (in pairs): 434, Positive cache size: 378, Positive conditional cache size: 54, Positive unconditional cache size: 324, 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: 4588 ], Independence queries for same thread: 2603 - 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: 42.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 26.7s, 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: 617, 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, 0.2s SatisfiabilityAnalysisTime, 13.7s InterpolantComputationTime, 1273 NumberOfCodeBlocks, 1268 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 1860 ConstructedInterpolants, 0 QuantifiedInterpolants, 15588 SizeOfPredicates, 100 NumberOfNonLiveVariables, 1170 ConjunctsInSsa, 163 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 1144/3205 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: 2.7s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 10, ConditionalCommutativityTraceChecks: 7, ConditionalCommutativityImperfectProofs: 5 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-07 06:37:10,506 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 [2024-05-07 06:37:10,711 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...