/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-easy8.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-a20a710-m [2023-12-09 15:36:32,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-09 15:36:32,820 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 15:36:32,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-09 15:36:32,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-09 15:36:32,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-09 15:36:32,845 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-09 15:36:32,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-09 15:36:32,845 INFO L153 SettingsManager]: * Use SBE=true [2023-12-09 15:36:32,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-09 15:36:32,846 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-09 15:36:32,846 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-09 15:36:32,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-09 15:36:32,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-09 15:36:32,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-09 15:36:32,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-09 15:36:32,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-09 15:36:32,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-09 15:36:32,847 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-09 15:36:32,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-09 15:36:32,848 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-09 15:36:32,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-09 15:36:32,848 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-09 15:36:32,849 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-12-09 15:36:32,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-09 15:36:32,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 15:36:32,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-09 15:36:32,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-09 15:36:32,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-09 15:36:32,850 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-09 15:36:32,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-09 15:36:32,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-09 15:36:32,851 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-09 15:36:32,851 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-12-09 15:36:33,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-09 15:36:33,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-09 15:36:33,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-09 15:36:33,044 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-09 15:36:33,046 INFO L274 PluginConnector]: CDTParser initialized [2023-12-09 15:36:33,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy8.wvr.c [2023-12-09 15:36:33,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-09 15:36:34,107 INFO L384 CDTParser]: Found 1 translation units. [2023-12-09 15:36:34,108 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy8.wvr.c [2023-12-09 15:36:34,112 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3a1dd325/70d61bf15837409b9db3f01931f4edfa/FLAGd314ccb90 [2023-12-09 15:36:34,121 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3a1dd325/70d61bf15837409b9db3f01931f4edfa [2023-12-09 15:36:34,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-09 15:36:34,123 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-09 15:36:34,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-09 15:36:34,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-09 15:36:34,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-09 15:36:34,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:36:34" (1/1) ... [2023-12-09 15:36:34,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311611d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:34, skipping insertion in model container [2023-12-09 15:36:34,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:36:34" (1/1) ... [2023-12-09 15:36:34,149 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-09 15:36:34,262 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-easy8.wvr.c[2007,2020] [2023-12-09 15:36:34,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 15:36:34,275 INFO L202 MainTranslator]: Completed pre-run [2023-12-09 15:36:34,291 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-easy8.wvr.c[2007,2020] [2023-12-09 15:36:34,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 15:36:34,296 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 15:36:34,296 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 15:36:34,301 INFO L206 MainTranslator]: Completed translation [2023-12-09 15:36:34,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:34 WrapperNode [2023-12-09 15:36:34,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-09 15:36:34,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-09 15:36:34,303 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-09 15:36:34,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-09 15:36:34,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:34" (1/1) ... [2023-12-09 15:36:34,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:34" (1/1) ... [2023-12-09 15:36:34,323 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2023-12-09 15:36:34,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-09 15:36:34,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-09 15:36:34,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-09 15:36:34,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-09 15:36:34,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:34" (1/1) ... [2023-12-09 15:36:34,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:34" (1/1) ... [2023-12-09 15:36:34,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:34" (1/1) ... [2023-12-09 15:36:34,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:34" (1/1) ... [2023-12-09 15:36:34,334 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:34" (1/1) ... [2023-12-09 15:36:34,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:34" (1/1) ... [2023-12-09 15:36:34,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:34" (1/1) ... [2023-12-09 15:36:34,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:34" (1/1) ... [2023-12-09 15:36:34,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-09 15:36:34,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-09 15:36:34,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-09 15:36:34,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-09 15:36:34,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:34" (1/1) ... [2023-12-09 15:36:34,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 15:36:34,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 15:36:34,361 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 15:36:34,379 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 15:36:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-09 15:36:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-09 15:36:34,384 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-09 15:36:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-09 15:36:34,384 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-09 15:36:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-09 15:36:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-09 15:36:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-09 15:36:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-09 15:36:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-09 15:36:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-09 15:36:34,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-09 15:36:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-09 15:36:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-09 15:36:34,386 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 15:36:34,443 INFO L241 CfgBuilder]: Building ICFG [2023-12-09 15:36:34,445 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-09 15:36:34,572 INFO L282 CfgBuilder]: Performing block encoding [2023-12-09 15:36:34,595 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-09 15:36:34,595 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-09 15:36:34,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:36:34 BoogieIcfgContainer [2023-12-09 15:36:34,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-09 15:36:34,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-09 15:36:34,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-09 15:36:34,600 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-09 15:36:34,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:36:34" (1/3) ... [2023-12-09 15:36:34,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c239ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:36:34, skipping insertion in model container [2023-12-09 15:36:34,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:34" (2/3) ... [2023-12-09 15:36:34,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c239ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:36:34, skipping insertion in model container [2023-12-09 15:36:34,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:36:34" (3/3) ... [2023-12-09 15:36:34,602 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy8.wvr.c [2023-12-09 15:36:34,618 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-09 15:36:34,619 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-09 15:36:34,619 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-09 15:36:34,666 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-12-09 15:36:34,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 72 transitions, 158 flow [2023-12-09 15:36:34,721 INFO L124 PetriNetUnfolderBase]: 2/70 cut-off events. [2023-12-09 15:36:34,722 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-12-09 15:36:34,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 70 events. 2/70 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 38 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2023-12-09 15:36:34,725 INFO L82 GeneralOperation]: Start removeDead. Operand has 77 places, 72 transitions, 158 flow [2023-12-09 15:36:34,727 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 66 places, 61 transitions, 134 flow [2023-12-09 15:36:34,735 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-09 15:36:34,744 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;@3bd4516b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-09 15:36:34,744 INFO L363 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-12-09 15:36:34,757 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-12-09 15:36:34,758 INFO L124 PetriNetUnfolderBase]: 2/60 cut-off events. [2023-12-09 15:36:34,758 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-12-09 15:36:34,758 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:36:34,759 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] [2023-12-09 15:36:34,759 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 15:36:34,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:36:34,763 INFO L85 PathProgramCache]: Analyzing trace with hash -2119616225, now seen corresponding path program 1 times [2023-12-09 15:36:34,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:36:34,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802214552] [2023-12-09 15:36:34,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:36:34,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:36:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:36:35,251 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 15:36:35,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:36:35,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802214552] [2023-12-09 15:36:35,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802214552] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:36:35,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:36:35,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-09 15:36:35,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411923964] [2023-12-09 15:36:35,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:36:35,261 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-09 15:36:35,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:36:35,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-09 15:36:35,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-09 15:36:35,292 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 72 [2023-12-09 15:36:35,296 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 61 transitions, 134 flow. Second operand has 6 states, 6 states have (on average 56.333333333333336) internal successors, (338), 6 states have internal predecessors, (338), 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 15:36:35,296 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:36:35,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 72 [2023-12-09 15:36:35,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:36:35,446 INFO L124 PetriNetUnfolderBase]: 16/117 cut-off events. [2023-12-09 15:36:35,446 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2023-12-09 15:36:35,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 117 events. 16/117 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 325 event pairs, 7 based on Foata normal form. 5/115 useless extension candidates. Maximal degree in co-relation 142. Up to 27 conditions per place. [2023-12-09 15:36:35,449 INFO L140 encePairwiseOnDemand]: 64/72 looper letters, 20 selfloop transitions, 1 changer transitions 10/74 dead transitions. [2023-12-09 15:36:35,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 74 transitions, 226 flow [2023-12-09 15:36:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-09 15:36:35,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-12-09 15:36:35,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2023-12-09 15:36:35,465 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8107638888888888 [2023-12-09 15:36:35,466 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2023-12-09 15:36:35,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2023-12-09 15:36:35,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:36:35,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2023-12-09 15:36:35,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 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 15:36:35,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 72.0) internal successors, (648), 9 states have internal predecessors, (648), 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 15:36:35,485 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 72.0) internal successors, (648), 9 states have internal predecessors, (648), 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 15:36:35,487 INFO L308 CegarLoopForPetriNet]: 66 programPoint places, 7 predicate places. [2023-12-09 15:36:35,487 INFO L500 AbstractCegarLoop]: Abstraction has has 73 places, 74 transitions, 226 flow [2023-12-09 15:36:35,488 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 56.333333333333336) internal successors, (338), 6 states have internal predecessors, (338), 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 15:36:35,488 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:36:35,488 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] [2023-12-09 15:36:35,488 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-09 15:36:35,488 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 15:36:35,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:36:35,489 INFO L85 PathProgramCache]: Analyzing trace with hash -485003351, now seen corresponding path program 2 times [2023-12-09 15:36:35,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:36:35,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083230151] [2023-12-09 15:36:35,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:36:35,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:36:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:36:35,641 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 15:36:35,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:36:35,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083230151] [2023-12-09 15:36:35,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083230151] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:36:35,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:36:35,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-09 15:36:35,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755273594] [2023-12-09 15:36:35,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:36:35,643 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-09 15:36:35,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:36:35,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-09 15:36:35,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-09 15:36:35,645 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 72 [2023-12-09 15:36:35,646 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 74 transitions, 226 flow. Second operand has 5 states, 5 states have (on average 56.8) internal successors, (284), 5 states have internal predecessors, (284), 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 15:36:35,646 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:36:35,646 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 72 [2023-12-09 15:36:35,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:36:35,705 INFO L124 PetriNetUnfolderBase]: 16/113 cut-off events. [2023-12-09 15:36:35,706 INFO L125 PetriNetUnfolderBase]: For 57/63 co-relation queries the response was YES. [2023-12-09 15:36:35,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 113 events. 16/113 cut-off events. For 57/63 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 334 event pairs, 7 based on Foata normal form. 2/109 useless extension candidates. Maximal degree in co-relation 163. Up to 27 conditions per place. [2023-12-09 15:36:35,706 INFO L140 encePairwiseOnDemand]: 67/72 looper letters, 0 selfloop transitions, 0 changer transitions 70/70 dead transitions. [2023-12-09 15:36:35,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 70 transitions, 250 flow [2023-12-09 15:36:35,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-09 15:36:35,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-12-09 15:36:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 285 transitions. [2023-12-09 15:36:35,708 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7916666666666666 [2023-12-09 15:36:35,708 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 285 transitions. [2023-12-09 15:36:35,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 285 transitions. [2023-12-09 15:36:35,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:36:35,709 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 285 transitions. [2023-12-09 15:36:35,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 57.0) internal successors, (285), 5 states have internal predecessors, (285), 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 15:36:35,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 72.0) internal successors, (432), 6 states have internal predecessors, (432), 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 15:36:35,711 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 72.0) internal successors, (432), 6 states have internal predecessors, (432), 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 15:36:35,712 INFO L308 CegarLoopForPetriNet]: 66 programPoint places, 7 predicate places. [2023-12-09 15:36:35,712 INFO L500 AbstractCegarLoop]: Abstraction has has 73 places, 70 transitions, 250 flow [2023-12-09 15:36:35,712 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 56.8) internal successors, (284), 5 states have internal predecessors, (284), 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 15:36:35,718 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/test-easy8.wvr.c_BEv2_AllErrorsAtOnce [2023-12-09 15:36:35,743 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-12-09 15:36:35,744 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-12-09 15:36:35,745 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-12-09 15:36:35,745 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-09 15:36:35,746 INFO L457 BasicCegarLoop]: Path program histogram: [2] [2023-12-09 15:36:35,755 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-09 15:36:35,755 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-12-09 15:36:35,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:36:35 BasicIcfg [2023-12-09 15:36:35,760 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-09 15:36:35,760 INFO L158 Benchmark]: Toolchain (without parser) took 1637.19ms. Allocated memory is still 267.4MB. Free memory was 223.7MB in the beginning and 173.4MB in the end (delta: 50.3MB). Peak memory consumption was 50.8MB. Max. memory is 8.0GB. [2023-12-09 15:36:35,761 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 200.3MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-09 15:36:35,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.86ms. Allocated memory is still 267.4MB. Free memory was 223.2MB in the beginning and 212.2MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-09 15:36:35,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.16ms. Allocated memory is still 267.4MB. Free memory was 212.2MB in the beginning and 210.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-09 15:36:35,762 INFO L158 Benchmark]: Boogie Preprocessor took 13.96ms. Allocated memory is still 267.4MB. Free memory was 210.6MB in the beginning and 209.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-09 15:36:35,762 INFO L158 Benchmark]: RCFGBuilder took 257.97ms. Allocated memory is still 267.4MB. Free memory was 209.5MB in the beginning and 195.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-09 15:36:35,762 INFO L158 Benchmark]: TraceAbstraction took 1161.82ms. Allocated memory is still 267.4MB. Free memory was 194.9MB in the beginning and 173.4MB in the end (delta: 21.5MB). Peak memory consumption was 22.5MB. Max. memory is 8.0GB. [2023-12-09 15:36:35,764 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 200.3MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 177.86ms. Allocated memory is still 267.4MB. Free memory was 223.2MB in the beginning and 212.2MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.16ms. Allocated memory is still 267.4MB. Free memory was 212.2MB in the beginning and 210.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.96ms. Allocated memory is still 267.4MB. Free memory was 210.6MB in the beginning and 209.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 257.97ms. Allocated memory is still 267.4MB. Free memory was 209.5MB in the beginning and 195.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1161.82ms. Allocated memory is still 267.4MB. Free memory was 194.9MB in the beginning and 173.4MB in the end (delta: 21.5MB). Peak memory consumption was 22.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 75]: 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, 90 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: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 20 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=2, InterpolantAutomatonStates: 13, 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, 0.5s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 154 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 15:36:35,792 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...