/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-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 06:34:59,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 06:34:59,981 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 06:34:59,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 06:34:59,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 06:35:00,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 06:35:00,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 06:35:00,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 06:35:00,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 06:35:00,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 06:35:00,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 06:35:00,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 06:35:00,013 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 06:35:00,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 06:35:00,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 06:35:00,015 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 06:35:00,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 06:35:00,015 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 06:35:00,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 06:35:00,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 06:35:00,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 06:35:00,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 06:35:00,016 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 06:35:00,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 06:35:00,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 06:35:00,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 06:35:00,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 06:35:00,016 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 06:35:00,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 06:35:00,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 06:35:00,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 06:35:00,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 06:35:00,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 06:35:00,018 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 06:35:00,018 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 06:35:00,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 06:35:00,018 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 06:35:00,018 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 06:35:00,018 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 06:35:00,019 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 06:35:00,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 06:35:00,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 06:35:00,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 06:35:00,237 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 06:35:00,237 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 06:35:00,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c [2024-05-07 06:35:01,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 06:35:01,410 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 06:35:01,410 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c [2024-05-07 06:35:01,415 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f86dce2ee/d2df238b0eb24400b4fa787a143bd204/FLAG6a31a25c6 [2024-05-07 06:35:01,425 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f86dce2ee/d2df238b0eb24400b4fa787a143bd204 [2024-05-07 06:35:01,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 06:35:01,429 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 06:35:01,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 06:35:01,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 06:35:01,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 06:35:01,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 06:35:01" (1/1) ... [2024-05-07 06:35:01,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b37e3e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:35:01, skipping insertion in model container [2024-05-07 06:35:01,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 06:35:01" (1/1) ... [2024-05-07 06:35:01,453 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 06:35:01,597 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-alt.wvr.c[2098,2111] [2024-05-07 06:35:01,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 06:35:01,607 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 06:35:01,627 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-alt.wvr.c[2098,2111] [2024-05-07 06:35:01,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 06:35:01,637 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 06:35:01,638 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 06:35:01,643 INFO L206 MainTranslator]: Completed translation [2024-05-07 06:35:01,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:35:01 WrapperNode [2024-05-07 06:35:01,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 06:35:01,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 06:35:01,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 06:35:01,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 06:35:01,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:35:01" (1/1) ... [2024-05-07 06:35:01,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:35:01" (1/1) ... [2024-05-07 06:35:01,676 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-05-07 06:35:01,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 06:35:01,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 06:35:01,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 06:35:01,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 06:35:01,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:35:01" (1/1) ... [2024-05-07 06:35:01,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:35:01" (1/1) ... [2024-05-07 06:35:01,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:35:01" (1/1) ... [2024-05-07 06:35:01,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:35:01" (1/1) ... [2024-05-07 06:35:01,704 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:35:01" (1/1) ... [2024-05-07 06:35:01,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:35:01" (1/1) ... [2024-05-07 06:35:01,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:35:01" (1/1) ... [2024-05-07 06:35:01,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:35:01" (1/1) ... [2024-05-07 06:35:01,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 06:35:01,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 06:35:01,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 06:35:01,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 06:35:01,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:35:01" (1/1) ... [2024-05-07 06:35:01,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 06:35:01,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:35:01,749 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 06:35:01,767 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 06:35:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 06:35:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-07 06:35:01,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-07 06:35:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-07 06:35:01,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-07 06:35:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 06:35:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 06:35:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 06:35:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 06:35:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 06:35:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 06:35:01,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 06:35:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 06:35:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 06:35:01,792 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 06:35:01,868 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 06:35:01,870 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 06:35:02,030 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 06:35:02,076 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 06:35:02,076 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-07 06:35:02,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 06:35:02 BoogieIcfgContainer [2024-05-07 06:35:02,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 06:35:02,079 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 06:35:02,080 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 06:35:02,087 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 06:35:02,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 06:35:01" (1/3) ... [2024-05-07 06:35:02,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0c9173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 06:35:02, skipping insertion in model container [2024-05-07 06:35:02,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:35:01" (2/3) ... [2024-05-07 06:35:02,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0c9173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 06:35:02, skipping insertion in model container [2024-05-07 06:35:02,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 06:35:02" (3/3) ... [2024-05-07 06:35:02,090 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr-alt.wvr.c [2024-05-07 06:35:02,096 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 06:35:02,104 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 06:35:02,104 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 06:35:02,104 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 06:35:02,160 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-07 06:35:02,187 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 06:35:02,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 06:35:02,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:35:02,190 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 06:35:02,210 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 06:35:02,225 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 06:35:02,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:35:02,235 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 06:35:02,240 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;@7c63fa6, 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 06:35:02,241 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-07 06:35:02,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1786740663, now seen corresponding path program 1 times [2024-05-07 06:35:02,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:02,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:02,681 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 06:35:02,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:02,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:02,783 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 06:35:02,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 06:35:02,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-07 06:35:02,925 INFO L85 PathProgramCache]: Analyzing trace with hash -795376393, now seen corresponding path program 1 times [2024-05-07 06:35:02,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:02,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:03,018 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 06:35:03,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:03,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:03,080 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 06:35:03,101 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 06:35:03,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:35:03,102 INFO L85 PathProgramCache]: Analyzing trace with hash -918790425, now seen corresponding path program 1 times [2024-05-07 06:35:03,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:35:03,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091320581] [2024-05-07 06:35:03,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:03,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:03,368 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 06:35:03,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:35:03,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091320581] [2024-05-07 06:35:03,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091320581] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 06:35:03,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 06:35:03,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 06:35:03,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140096901] [2024-05-07 06:35:03,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 06:35:03,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 06:35:03,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:35:03,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 06:35:03,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-05-07 06:35:03,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:35:03,377 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:35:03,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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 06:35:03,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:35:03,626 INFO L85 PathProgramCache]: Analyzing trace with hash -518435215, now seen corresponding path program 1 times [2024-05-07 06:35:03,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:03,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:03,724 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 06:35:03,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:03,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:03,800 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 06:35:03,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:35:03,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-05-07 06:35:03,819 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 06:35:03,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:35:03,819 INFO L85 PathProgramCache]: Analyzing trace with hash -487884627, now seen corresponding path program 1 times [2024-05-07 06:35:03,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:35:03,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379982736] [2024-05-07 06:35:03,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:03,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:04,244 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:35:04,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:35:04,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379982736] [2024-05-07 06:35:04,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379982736] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:35:04,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392668697] [2024-05-07 06:35:04,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:04,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:35:04,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:35:04,282 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 06:35:04,300 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 06:35:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:04,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-07 06:35:04,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:35:04,713 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:35:04,714 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 06:35:05,163 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:35:05,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392668697] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 06:35:05,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 06:35:05,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 40 [2024-05-07 06:35:05,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874316622] [2024-05-07 06:35:05,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 06:35:05,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-05-07 06:35:05,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:35:05,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-05-07 06:35:05,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1361, Unknown=0, NotChecked=0, Total=1560 [2024-05-07 06:35:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:35:05,171 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:35:05,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.625) internal successors, (145), 40 states have internal predecessors, (145), 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 06:35:05,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:35:05,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:35:07,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:35:07,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-07 06:35:07,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-07 06:35:07,619 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,SelfDestructingSolverStorable7 [2024-05-07 06:35:07,619 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 06:35:07,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:35:07,620 INFO L85 PathProgramCache]: Analyzing trace with hash -926721689, now seen corresponding path program 2 times [2024-05-07 06:35:07,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:35:07,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162114970] [2024-05-07 06:35:07,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:07,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:08,260 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-07 06:35:08,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:35:08,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162114970] [2024-05-07 06:35:08,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162114970] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:35:08,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885531107] [2024-05-07 06:35:08,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 06:35:08,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:35:08,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:35:08,262 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 06:35:08,276 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 06:35:08,329 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 06:35:08,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 06:35:08,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 47 conjunts are in the unsatisfiable core [2024-05-07 06:35:08,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:35:08,976 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:35:08,977 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 06:35:09,885 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:35:09,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885531107] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 06:35:09,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 06:35:09,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 30, 27] total 65 [2024-05-07 06:35:09,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503879704] [2024-05-07 06:35:09,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 06:35:09,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-05-07 06:35:09,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:35:09,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-05-07 06:35:09,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=3753, Unknown=0, NotChecked=0, Total=4160 [2024-05-07 06:35:09,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:35:09,888 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:35:09,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 3.0153846153846153) internal successors, (196), 65 states have internal predecessors, (196), 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 06:35:09,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:35:09,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-07 06:35:09,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:35:14,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1184284438, now seen corresponding path program 2 times [2024-05-07 06:35:14,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:14,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:35:14,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 06:35:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:35:14,643 INFO L85 PathProgramCache]: Analyzing trace with hash 68996039, now seen corresponding path program 3 times [2024-05-07 06:35:14,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:14,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:35:14,685 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 06:35:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 06:35:14,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:35:14,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-07 06:35:14,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-05-07 06:35:14,999 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 06:35:15,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-07 06:35:15,199 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 06:35:15,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:35:15,199 INFO L85 PathProgramCache]: Analyzing trace with hash -533131963, now seen corresponding path program 3 times [2024-05-07 06:35:15,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:35:15,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924968075] [2024-05-07 06:35:15,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:15,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:15,429 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-05-07 06:35:15,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:35:15,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924968075] [2024-05-07 06:35:15,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924968075] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:35:15,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739989392] [2024-05-07 06:35:15,430 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 06:35:15,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:35:15,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:35:15,431 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 06:35:15,456 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 06:35:15,495 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-07 06:35:15,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 06:35:15,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 23 conjunts are in the unsatisfiable core [2024-05-07 06:35:15,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:35:15,578 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-05-07 06:35:15,579 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 06:35:15,786 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-05-07 06:35:15,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739989392] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 06:35:15,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 06:35:15,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 10 [2024-05-07 06:35:15,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292870111] [2024-05-07 06:35:15,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 06:35:15,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-07 06:35:15,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:35:15,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-07 06:35:15,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-05-07 06:35:15,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:35:15,789 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:35:15,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.3) internal successors, (123), 10 states have internal predecessors, (123), 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 06:35:15,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:35:15,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-07 06:35:15,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2024-05-07 06:35:15,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:35:16,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:35:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-07 06:35:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-05-07 06:35:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 06:35:16,696 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 06:35:16,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:35:16,893 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 06:35:16,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:35:16,894 INFO L85 PathProgramCache]: Analyzing trace with hash -648729982, now seen corresponding path program 4 times [2024-05-07 06:35:16,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:35:16,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001366435] [2024-05-07 06:35:16,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:16,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:17,479 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-05-07 06:35:17,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:35:17,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001366435] [2024-05-07 06:35:17,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001366435] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:35:17,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934857553] [2024-05-07 06:35:17,480 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 06:35:17,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:35:17,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:35:17,481 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 06:35:17,483 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 06:35:17,540 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 06:35:17,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 06:35:17,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 54 conjunts are in the unsatisfiable core [2024-05-07 06:35:17,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:35:18,356 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:35:18,356 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 06:35:23,179 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:35:23,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934857553] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 06:35:23,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 06:35:23,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 35, 35] total 78 [2024-05-07 06:35:23,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637459315] [2024-05-07 06:35:23,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 06:35:23,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-05-07 06:35:23,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:35:23,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-05-07 06:35:23,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=538, Invalid=5468, Unknown=0, NotChecked=0, Total=6006 [2024-05-07 06:35:23,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:35:23,184 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:35:23,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 2.7948717948717947) internal successors, (218), 78 states have internal predecessors, (218), 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 06:35:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:35:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-07 06:35:23,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-05-07 06:35:23,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 06:35:23,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:35:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:35:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-07 06:35:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2024-05-07 06:35:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 06:35:31,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2024-05-07 06:35:31,502 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 06:35:31,695 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,SelfDestructingSolverStorable12 [2024-05-07 06:35:31,695 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 06:35:31,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:35:31,696 INFO L85 PathProgramCache]: Analyzing trace with hash -678752328, now seen corresponding path program 5 times [2024-05-07 06:35:31,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:35:31,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456399267] [2024-05-07 06:35:31,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:31,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:32,371 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-05-07 06:35:32,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:35:32,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456399267] [2024-05-07 06:35:32,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456399267] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:35:32,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607430372] [2024-05-07 06:35:32,372 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 06:35:32,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:35:32,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:35:32,373 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 06:35:32,378 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 06:35:32,439 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-05-07 06:35:32,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 06:35:32,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 67 conjunts are in the unsatisfiable core [2024-05-07 06:35:32,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:35:33,369 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:35:33,369 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 06:35:34,660 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:35:34,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607430372] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 06:35:34,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 06:35:34,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 41, 35] total 85 [2024-05-07 06:35:34,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689151609] [2024-05-07 06:35:34,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 06:35:34,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-05-07 06:35:34,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:35:34,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-05-07 06:35:34,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=596, Invalid=6544, Unknown=0, NotChecked=0, Total=7140 [2024-05-07 06:35:34,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:35:34,683 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:35:34,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.788235294117647) internal successors, (237), 85 states have internal predecessors, (237), 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 06:35:34,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:35:34,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-07 06:35:34,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2024-05-07 06:35:34,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 06:35:34,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2024-05-07 06:35:34,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:35:40,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:35:40,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-07 06:35:40,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2024-05-07 06:35:40,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 06:35:40,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2024-05-07 06:35:40,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2024-05-07 06:35:40,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-07 06:35:40,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-05-07 06:35:40,853 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 06:35:40,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:35:40,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1868925939, now seen corresponding path program 6 times [2024-05-07 06:35:40,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:35:40,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738640240] [2024-05-07 06:35:40,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:35:40,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:35:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:35:41,720 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-05-07 06:35:41,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:35:41,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738640240] [2024-05-07 06:35:41,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738640240] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 06:35:41,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489080713] [2024-05-07 06:35:41,721 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 06:35:41,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 06:35:41,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:35:41,722 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 06:35:41,724 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 06:35:41,788 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-05-07 06:35:41,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 06:35:41,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 80 conjunts are in the unsatisfiable core [2024-05-07 06:35:41,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 06:35:42,965 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 06:35:42,965 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 06:35:44,562 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 6 proven. 277 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 06:35:44,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489080713] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 06:35:44,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 06:35:44,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 48, 40] total 97 [2024-05-07 06:35:44,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544472333] [2024-05-07 06:35:44,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 06:35:44,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-05-07 06:35:44,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:35:44,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-05-07 06:35:44,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=722, Invalid=8590, Unknown=0, NotChecked=0, Total=9312 [2024-05-07 06:35:44,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:35:44,566 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:35:44,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 2.6907216494845363) internal successors, (261), 97 states have internal predecessors, (261), 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 06:35:44,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:35:44,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-07 06:35:44,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2024-05-07 06:35:44,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 06:35:44,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2024-05-07 06:35:44,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2024-05-07 06:35:44,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:36:22,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 06:36:22,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2024-05-07 06:36:22,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2024-05-07 06:36:22,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 06:36:22,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 267 states. [2024-05-07 06:36:22,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2024-05-07 06:36:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-05-07 06:36:22,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-07 06:36:22,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-07 06:36:22,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-07 06:36:22,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-07 06:36:22,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-05-07 06:36:22,612 INFO L448 BasicCegarLoop]: Path program histogram: [6, 3, 1, 1, 1] [2024-05-07 06:36:22,614 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 06:36:22,614 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 06:36:22,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 06:36:22 BasicIcfg [2024-05-07 06:36:22,616 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 06:36:22,616 INFO L158 Benchmark]: Toolchain (without parser) took 81187.27ms. Allocated memory was 163.6MB in the beginning and 997.2MB in the end (delta: 833.6MB). Free memory was 93.0MB in the beginning and 496.0MB in the end (delta: -402.9MB). Peak memory consumption was 431.5MB. Max. memory is 8.0GB. [2024-05-07 06:36:22,617 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 163.6MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 06:36:22,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.50ms. Allocated memory is still 163.6MB. Free memory was 92.8MB in the beginning and 81.7MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-07 06:36:22,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.62ms. Allocated memory is still 163.6MB. Free memory was 81.7MB in the beginning and 80.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 06:36:22,617 INFO L158 Benchmark]: Boogie Preprocessor took 32.27ms. Allocated memory is still 163.6MB. Free memory was 80.1MB in the beginning and 78.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 06:36:22,617 INFO L158 Benchmark]: RCFGBuilder took 367.87ms. Allocated memory was 163.6MB in the beginning and 276.8MB in the end (delta: 113.2MB). Free memory was 78.8MB in the beginning and 242.6MB in the end (delta: -163.8MB). Peak memory consumption was 18.0MB. Max. memory is 8.0GB. [2024-05-07 06:36:22,618 INFO L158 Benchmark]: TraceAbstraction took 80536.70ms. Allocated memory was 276.8MB in the beginning and 997.2MB in the end (delta: 720.4MB). Free memory was 241.4MB in the beginning and 496.0MB in the end (delta: -254.6MB). Peak memory consumption was 464.9MB. Max. memory is 8.0GB. [2024-05-07 06:36:22,618 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 163.6MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 212.50ms. Allocated memory is still 163.6MB. Free memory was 92.8MB in the beginning and 81.7MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.62ms. Allocated memory is still 163.6MB. Free memory was 81.7MB in the beginning and 80.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.27ms. Allocated memory is still 163.6MB. Free memory was 80.1MB in the beginning and 78.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 367.87ms. Allocated memory was 163.6MB in the beginning and 276.8MB in the end (delta: 113.2MB). Free memory was 78.8MB in the beginning and 242.6MB in the end (delta: -163.8MB). Peak memory consumption was 18.0MB. Max. memory is 8.0GB. * TraceAbstraction took 80536.70ms. Allocated memory was 276.8MB in the beginning and 997.2MB in the end (delta: 720.4MB). Free memory was 241.4MB in the beginning and 496.0MB in the end (delta: -254.6MB). Peak memory consumption was 464.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27669, independent: 25972, independent conditional: 25793, independent unconditional: 179, dependent: 1697, dependent conditional: 1695, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26189, independent: 25972, independent conditional: 25793, independent unconditional: 179, dependent: 217, dependent conditional: 215, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26189, independent: 25972, independent conditional: 25793, independent unconditional: 179, dependent: 217, dependent conditional: 215, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26189, independent: 25972, independent conditional: 25793, independent unconditional: 179, dependent: 217, dependent conditional: 215, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26980, independent: 25972, independent conditional: 11859, independent unconditional: 14113, dependent: 1008, dependent conditional: 788, dependent unconditional: 220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26980, independent: 25972, independent conditional: 9142, independent unconditional: 16830, dependent: 1008, dependent conditional: 712, dependent unconditional: 296, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26980, independent: 25972, independent conditional: 9142, independent unconditional: 16830, dependent: 1008, dependent conditional: 712, dependent unconditional: 296, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 452, independent: 407, independent conditional: 51, independent unconditional: 356, dependent: 45, dependent conditional: 43, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 452, independent: 395, independent conditional: 0, independent unconditional: 395, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 57, independent: 12, independent conditional: 12, independent unconditional: 0, dependent: 45, dependent conditional: 43, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, independent: 12, independent conditional: 12, independent unconditional: 0, dependent: 45, dependent conditional: 43, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, independent: 24, independent conditional: 24, independent unconditional: 0, dependent: 116, dependent conditional: 84, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 26980, independent: 25565, independent conditional: 9091, independent unconditional: 16474, dependent: 963, dependent conditional: 669, dependent unconditional: 294, unknown: 452, unknown conditional: 94, unknown unconditional: 358] , Statistics on independence cache: Total cache size (in pairs): 452, Positive cache size: 407, Positive conditional cache size: 51, Positive unconditional cache size: 356, Negative cache size: 45, Negative conditional cache size: 43, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2793, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26980, independent: 25972, independent conditional: 11859, independent unconditional: 14113, dependent: 1008, dependent conditional: 788, dependent unconditional: 220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26980, independent: 25972, independent conditional: 9142, independent unconditional: 16830, dependent: 1008, dependent conditional: 712, dependent unconditional: 296, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26980, independent: 25972, independent conditional: 9142, independent unconditional: 16830, dependent: 1008, dependent conditional: 712, dependent unconditional: 296, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 452, independent: 407, independent conditional: 51, independent unconditional: 356, dependent: 45, dependent conditional: 43, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 452, independent: 395, independent conditional: 0, independent unconditional: 395, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 57, independent: 12, independent conditional: 12, independent unconditional: 0, dependent: 45, dependent conditional: 43, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, independent: 12, independent conditional: 12, independent unconditional: 0, dependent: 45, dependent conditional: 43, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, independent: 24, independent conditional: 24, independent unconditional: 0, dependent: 116, dependent conditional: 84, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 26980, independent: 25565, independent conditional: 9091, independent unconditional: 16474, dependent: 963, dependent conditional: 669, dependent unconditional: 294, unknown: 452, unknown conditional: 94, unknown unconditional: 358] , Statistics on independence cache: Total cache size (in pairs): 452, Positive cache size: 407, Positive conditional cache size: 51, Positive unconditional cache size: 356, Negative cache size: 45, Negative conditional cache size: 43, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2793 ], Independence queries for same thread: 1480 - PositiveResult [Line: 78]: 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, 98 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 80.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 61.7s, 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: 1375, 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, 16.8s InterpolantComputationTime, 1292 NumberOfCodeBlocks, 1286 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1886 ConstructedInterpolants, 0 QuantifiedInterpolants, 17330 SizeOfPredicates, 119 NumberOfNonLiveVariables, 1184 ConjunctsInSsa, 297 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 574/2383 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: 2.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 10, ConditionalCommutativityTraceChecks: 5, ConditionalCommutativityImperfectProofs: 2 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-07 06:36:22,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-07 06:36:22,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...