/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true -i ../../../trunk/examples/svcomp/weaver/test-semi1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-a20a710-m [2023-12-09 15:36:43,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-09 15:36:43,993 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-12-09 15:36:44,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-09 15:36:44,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-09 15:36:44,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-09 15:36:44,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-09 15:36:44,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-09 15:36:44,018 INFO L153 SettingsManager]: * Use SBE=true [2023-12-09 15:36:44,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-09 15:36:44,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-09 15:36:44,022 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-09 15:36:44,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-09 15:36:44,023 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-09 15:36:44,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-09 15:36:44,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-09 15:36:44,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-09 15:36:44,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-09 15:36:44,023 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-09 15:36:44,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-09 15:36:44,023 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-09 15:36:44,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-09 15:36:44,024 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-09 15:36:44,024 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-12-09 15:36:44,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-09 15:36:44,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 15:36:44,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-09 15:36:44,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-09 15:36:44,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-09 15:36:44,025 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-09 15:36:44,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-09 15:36:44,026 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-09 15:36:44,026 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-09 15:36:44,026 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-12-09 15:36:44,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-09 15:36:44,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-09 15:36:44,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-09 15:36:44,205 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-09 15:36:44,207 INFO L274 PluginConnector]: CDTParser initialized [2023-12-09 15:36:44,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-semi1.wvr.c [2023-12-09 15:36:45,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-09 15:36:45,371 INFO L384 CDTParser]: Found 1 translation units. [2023-12-09 15:36:45,371 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-semi1.wvr.c [2023-12-09 15:36:45,378 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4ada72d9/7cd2a70b0f1f49ada34f13304a940d0f/FLAG941ceaac6 [2023-12-09 15:36:45,390 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4ada72d9/7cd2a70b0f1f49ada34f13304a940d0f [2023-12-09 15:36:45,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-09 15:36:45,407 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-09 15:36:45,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-09 15:36:45,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-09 15:36:45,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-09 15:36:45,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:36:45" (1/1) ... [2023-12-09 15:36:45,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f67e379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:45, skipping insertion in model container [2023-12-09 15:36:45,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:36:45" (1/1) ... [2023-12-09 15:36:45,430 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-09 15:36:45,532 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/test-semi1.wvr.c[2005,2018] [2023-12-09 15:36:45,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 15:36:45,542 INFO L202 MainTranslator]: Completed pre-run [2023-12-09 15:36:45,569 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/test-semi1.wvr.c[2005,2018] [2023-12-09 15:36:45,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 15:36:45,580 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 15:36:45,580 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 15:36:45,585 INFO L206 MainTranslator]: Completed translation [2023-12-09 15:36:45,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:45 WrapperNode [2023-12-09 15:36:45,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-09 15:36:45,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-09 15:36:45,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-09 15:36:45,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-09 15:36:45,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:45" (1/1) ... [2023-12-09 15:36:45,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:45" (1/1) ... [2023-12-09 15:36:45,614 INFO L138 Inliner]: procedures = 21, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 73 [2023-12-09 15:36:45,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-09 15:36:45,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-09 15:36:45,616 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-09 15:36:45,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-09 15:36:45,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:45" (1/1) ... [2023-12-09 15:36:45,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:45" (1/1) ... [2023-12-09 15:36:45,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:45" (1/1) ... [2023-12-09 15:36:45,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:45" (1/1) ... [2023-12-09 15:36:45,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:45" (1/1) ... [2023-12-09 15:36:45,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:45" (1/1) ... [2023-12-09 15:36:45,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:45" (1/1) ... [2023-12-09 15:36:45,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:45" (1/1) ... [2023-12-09 15:36:45,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-09 15:36:45,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-09 15:36:45,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-09 15:36:45,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-09 15:36:45,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:45" (1/1) ... [2023-12-09 15:36:45,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 15:36:45,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 15:36:45,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-09 15:36:45,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-09 15:36:45,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-09 15:36:45,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-09 15:36:45,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-09 15:36:45,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-09 15:36:45,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-09 15:36:45,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-09 15:36:45,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-09 15:36:45,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-09 15:36:45,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-09 15:36:45,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-09 15:36:45,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-09 15:36:45,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-09 15:36:45,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-09 15:36:45,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-09 15:36:45,709 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-09 15:36:45,792 INFO L241 CfgBuilder]: Building ICFG [2023-12-09 15:36:45,794 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-09 15:36:45,933 INFO L282 CfgBuilder]: Performing block encoding [2023-12-09 15:36:45,969 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-09 15:36:45,969 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-09 15:36:45,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:36:45 BoogieIcfgContainer [2023-12-09 15:36:45,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-09 15:36:45,972 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-09 15:36:45,972 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-09 15:36:45,974 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-09 15:36:45,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:36:45" (1/3) ... [2023-12-09 15:36:45,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28cf03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:36:45, skipping insertion in model container [2023-12-09 15:36:45,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:45" (2/3) ... [2023-12-09 15:36:45,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28cf03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:36:45, skipping insertion in model container [2023-12-09 15:36:45,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:36:45" (3/3) ... [2023-12-09 15:36:45,975 INFO L112 eAbstractionObserver]: Analyzing ICFG test-semi1.wvr.c [2023-12-09 15:36:45,986 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-09 15:36:45,986 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-09 15:36:45,986 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-09 15:36:46,022 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-12-09 15:36:46,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 82 transitions, 178 flow [2023-12-09 15:36:46,080 INFO L124 PetriNetUnfolderBase]: 3/80 cut-off events. [2023-12-09 15:36:46,081 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-12-09 15:36:46,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 80 events. 3/80 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2023-12-09 15:36:46,084 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 82 transitions, 178 flow [2023-12-09 15:36:46,092 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 75 places, 71 transitions, 154 flow [2023-12-09 15:36:46,098 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-09 15:36:46,103 INFO L362 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=PETRI_NET, 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;@6fc56b7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-09 15:36:46,103 INFO L363 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-12-09 15:36:46,119 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-12-09 15:36:46,120 INFO L124 PetriNetUnfolderBase]: 3/70 cut-off events. [2023-12-09 15:36:46,120 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-12-09 15:36:46,120 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:36:46,120 INFO L233 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 15:36:46,121 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-09 15:36:46,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:36:46,124 INFO L85 PathProgramCache]: Analyzing trace with hash 911143764, now seen corresponding path program 1 times [2023-12-09 15:36:46,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:36:46,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491328789] [2023-12-09 15:36:46,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:36:46,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:36:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:36:46,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 15:36:46,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:36:46,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491328789] [2023-12-09 15:36:46,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491328789] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:36:46,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:36:46,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-09 15:36:46,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530312521] [2023-12-09 15:36:46,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:36:46,728 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-09 15:36:46,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:36:46,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-09 15:36:46,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-09 15:36:46,759 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 82 [2023-12-09 15:36:46,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 71 transitions, 154 flow. Second operand has 8 states, 8 states have (on average 50.5) internal successors, (404), 8 states have internal predecessors, (404), 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) [2023-12-09 15:36:46,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:36:46,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 82 [2023-12-09 15:36:46,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:36:46,909 INFO L124 PetriNetUnfolderBase]: 2/91 cut-off events. [2023-12-09 15:36:46,909 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2023-12-09 15:36:46,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 91 events. 2/91 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 95 event pairs, 1 based on Foata normal form. 4/92 useless extension candidates. Maximal degree in co-relation 38. Up to 25 conditions per place. [2023-12-09 15:36:46,912 INFO L140 encePairwiseOnDemand]: 68/82 looper letters, 25 selfloop transitions, 4 changer transitions 11/77 dead transitions. [2023-12-09 15:36:46,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 77 transitions, 255 flow [2023-12-09 15:36:46,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-09 15:36:46,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-12-09 15:36:46,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 515 transitions. [2023-12-09 15:36:46,930 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.6280487804878049 [2023-12-09 15:36:46,930 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 515 transitions. [2023-12-09 15:36:46,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 515 transitions. [2023-12-09 15:36:46,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:36:46,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 515 transitions. [2023-12-09 15:36:46,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 51.5) internal successors, (515), 10 states have internal predecessors, (515), 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) [2023-12-09 15:36:46,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 82.0) internal successors, (902), 11 states have internal predecessors, (902), 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) [2023-12-09 15:36:46,946 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 82.0) internal successors, (902), 11 states have internal predecessors, (902), 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) [2023-12-09 15:36:46,949 INFO L308 CegarLoopForPetriNet]: 75 programPoint places, 9 predicate places. [2023-12-09 15:36:46,949 INFO L500 AbstractCegarLoop]: Abstraction has has 84 places, 77 transitions, 255 flow [2023-12-09 15:36:46,949 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 50.5) internal successors, (404), 8 states have internal predecessors, (404), 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) [2023-12-09 15:36:46,949 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:36:46,950 INFO L233 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 15:36:46,950 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-09 15:36:46,951 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-12-09 15:36:46,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:36:46,951 INFO L85 PathProgramCache]: Analyzing trace with hash -115723442, now seen corresponding path program 2 times [2023-12-09 15:36:46,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:36:46,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361239640] [2023-12-09 15:36:46,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:36:46,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:36:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:36:47,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 15:36:47,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:36:47,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361239640] [2023-12-09 15:36:47,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361239640] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:36:47,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:36:47,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-09 15:36:47,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806952735] [2023-12-09 15:36:47,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:36:47,170 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-09 15:36:47,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:36:47,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-09 15:36:47,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-09 15:36:47,172 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 82 [2023-12-09 15:36:47,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 77 transitions, 255 flow. Second operand has 8 states, 8 states have (on average 50.5) internal successors, (404), 8 states have internal predecessors, (404), 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) [2023-12-09 15:36:47,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:36:47,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 82 [2023-12-09 15:36:47,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:36:47,301 INFO L124 PetriNetUnfolderBase]: 2/87 cut-off events. [2023-12-09 15:36:47,301 INFO L125 PetriNetUnfolderBase]: For 44/46 co-relation queries the response was YES. [2023-12-09 15:36:47,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 87 events. 2/87 cut-off events. For 44/46 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 91 event pairs, 0 based on Foata normal form. 2/87 useless extension candidates. Maximal degree in co-relation 46. Up to 22 conditions per place. [2023-12-09 15:36:47,302 INFO L140 encePairwiseOnDemand]: 71/82 looper letters, 0 selfloop transitions, 0 changer transitions 74/74 dead transitions. [2023-12-09 15:36:47,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 74 transitions, 324 flow [2023-12-09 15:36:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-09 15:36:47,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-12-09 15:36:47,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 509 transitions. [2023-12-09 15:36:47,305 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.6207317073170732 [2023-12-09 15:36:47,305 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 509 transitions. [2023-12-09 15:36:47,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 509 transitions. [2023-12-09 15:36:47,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:36:47,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 509 transitions. [2023-12-09 15:36:47,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 50.9) internal successors, (509), 10 states have internal predecessors, (509), 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) [2023-12-09 15:36:47,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 82.0) internal successors, (902), 11 states have internal predecessors, (902), 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) [2023-12-09 15:36:47,308 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 82.0) internal successors, (902), 11 states have internal predecessors, (902), 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) [2023-12-09 15:36:47,309 INFO L308 CegarLoopForPetriNet]: 75 programPoint places, 14 predicate places. [2023-12-09 15:36:47,309 INFO L500 AbstractCegarLoop]: Abstraction has has 89 places, 74 transitions, 324 flow [2023-12-09 15:36:47,309 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 50.5) internal successors, (404), 8 states have internal predecessors, (404), 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) [2023-12-09 15:36:47,315 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/test-semi1.wvr.c_BEv2_AllErrorsAtOnce [2023-12-09 15:36:47,364 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-12-09 15:36:47,364 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-12-09 15:36:47,364 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-12-09 15:36:47,364 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-09 15:36:47,365 INFO L457 BasicCegarLoop]: Path program histogram: [2] [2023-12-09 15:36:47,367 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-09 15:36:47,367 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-12-09 15:36:47,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:36:47 BasicIcfg [2023-12-09 15:36:47,371 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-09 15:36:47,374 INFO L158 Benchmark]: Toolchain (without parser) took 1964.82ms. Allocated memory is still 244.3MB. Free memory was 199.7MB in the beginning and 206.5MB in the end (delta: -6.8MB). Peak memory consumption was 90.3MB. Max. memory is 8.0GB. [2023-12-09 15:36:47,376 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-09 15:36:47,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.71ms. Allocated memory is still 244.3MB. Free memory was 199.2MB in the beginning and 188.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-12-09 15:36:47,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.31ms. Allocated memory is still 244.3MB. Free memory was 188.2MB in the beginning and 186.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-09 15:36:47,380 INFO L158 Benchmark]: Boogie Preprocessor took 21.68ms. Allocated memory is still 244.3MB. Free memory was 186.6MB in the beginning and 185.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-09 15:36:47,381 INFO L158 Benchmark]: RCFGBuilder took 332.41ms. Allocated memory is still 244.3MB. Free memory was 185.6MB in the beginning and 170.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-09 15:36:47,381 INFO L158 Benchmark]: TraceAbstraction took 1399.82ms. Allocated memory is still 244.3MB. Free memory was 170.3MB in the beginning and 206.5MB in the end (delta: -36.2MB). Peak memory consumption was 60.9MB. Max. memory is 8.0GB. [2023-12-09 15:36:47,390 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 177.71ms. Allocated memory is still 244.3MB. Free memory was 199.2MB in the beginning and 188.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.31ms. Allocated memory is still 244.3MB. Free memory was 188.2MB in the beginning and 186.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.68ms. Allocated memory is still 244.3MB. Free memory was 186.6MB in the beginning and 185.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 332.41ms. Allocated memory is still 244.3MB. Free memory was 185.6MB in the beginning and 170.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1399.82ms. Allocated memory is still 244.3MB. Free memory was 170.3MB in the beginning and 206.5MB in the end (delta: -36.2MB). Peak memory consumption was 60.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 72]: 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, 92 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 125 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 229 IncrementalHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 39 mSDtfsCounter, 229 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=324occurred in iteration=2, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 326 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-09 15:36:47,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...