/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/chl-time-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-a20a710-m [2023-12-09 15:13:53,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-09 15:13:53,869 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 15:13:53,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-09 15:13:53,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-09 15:13:53,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-09 15:13:53,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-09 15:13:53,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-09 15:13:53,895 INFO L153 SettingsManager]: * Use SBE=true [2023-12-09 15:13:53,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-09 15:13:53,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-09 15:13:53,902 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-09 15:13:53,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-09 15:13:53,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-09 15:13:53,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-09 15:13:53,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-09 15:13:53,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-09 15:13:53,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-09 15:13:53,904 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-09 15:13:53,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-09 15:13:53,904 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-09 15:13:53,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-09 15:13:53,905 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-09 15:13:53,905 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-12-09 15:13:53,905 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-09 15:13:53,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 15:13:53,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-09 15:13:53,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-09 15:13:53,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-09 15:13:53,906 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-09 15:13:53,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-09 15:13:53,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-09 15:13:53,907 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-09 15:13:53,907 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-12-09 15:13:54,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-09 15:13:54,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-09 15:13:54,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-09 15:13:54,087 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-09 15:13:54,088 INFO L274 PluginConnector]: CDTParser initialized [2023-12-09 15:13:54,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2023-12-09 15:13:55,031 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-09 15:13:55,183 INFO L384 CDTParser]: Found 1 translation units. [2023-12-09 15:13:55,184 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2023-12-09 15:13:55,190 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdbec9449/8c1fbef25fd74d098ecea31e2b550502/FLAGf0408edc4 [2023-12-09 15:13:55,201 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdbec9449/8c1fbef25fd74d098ecea31e2b550502 [2023-12-09 15:13:55,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-09 15:13:55,204 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-09 15:13:55,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-09 15:13:55,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-09 15:13:55,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-09 15:13:55,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:13:55" (1/1) ... [2023-12-09 15:13:55,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be57702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:13:55, skipping insertion in model container [2023-12-09 15:13:55,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:13:55" (1/1) ... [2023-12-09 15:13:55,231 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-09 15:13:55,330 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/chl-time-symm.wvr.c[2520,2533] [2023-12-09 15:13:55,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 15:13:55,343 INFO L202 MainTranslator]: Completed pre-run [2023-12-09 15:13:55,359 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/chl-time-symm.wvr.c[2520,2533] [2023-12-09 15:13:55,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 15:13:55,367 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 15:13:55,367 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 15:13:55,371 INFO L206 MainTranslator]: Completed translation [2023-12-09 15:13:55,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:13:55 WrapperNode [2023-12-09 15:13:55,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-09 15:13:55,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-09 15:13:55,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-09 15:13:55,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-09 15:13:55,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:13:55" (1/1) ... [2023-12-09 15:13:55,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:13:55" (1/1) ... [2023-12-09 15:13:55,400 INFO L138 Inliner]: procedures = 22, calls = 29, calls flagged for inlining = 9, calls inlined = 15, statements flattened = 155 [2023-12-09 15:13:55,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-09 15:13:55,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-09 15:13:55,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-09 15:13:55,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-09 15:13:55,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:13:55" (1/1) ... [2023-12-09 15:13:55,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:13:55" (1/1) ... [2023-12-09 15:13:55,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:13:55" (1/1) ... [2023-12-09 15:13:55,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:13:55" (1/1) ... [2023-12-09 15:13:55,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:13:55" (1/1) ... [2023-12-09 15:13:55,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:13:55" (1/1) ... [2023-12-09 15:13:55,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:13:55" (1/1) ... [2023-12-09 15:13:55,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:13:55" (1/1) ... [2023-12-09 15:13:55,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-09 15:13:55,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-09 15:13:55,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-09 15:13:55,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-09 15:13:55,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:13:55" (1/1) ... [2023-12-09 15:13:55,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 15:13:55,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 15:13:55,450 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 15:13:55,467 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 15:13:55,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-09 15:13:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-09 15:13:55,472 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-09 15:13:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-09 15:13:55,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-09 15:13:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-09 15:13:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-09 15:13:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-09 15:13:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-09 15:13:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-09 15:13:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-09 15:13:55,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-09 15:13:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-09 15:13:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-09 15:13:55,474 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 15:13:55,570 INFO L241 CfgBuilder]: Building ICFG [2023-12-09 15:13:55,572 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-09 15:13:55,845 INFO L282 CfgBuilder]: Performing block encoding [2023-12-09 15:13:56,021 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-09 15:13:56,021 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-09 15:13:56,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:13:56 BoogieIcfgContainer [2023-12-09 15:13:56,022 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-09 15:13:56,024 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-09 15:13:56,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-09 15:13:56,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-09 15:13:56,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:13:55" (1/3) ... [2023-12-09 15:13:56,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0bf00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:13:56, skipping insertion in model container [2023-12-09 15:13:56,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:13:55" (2/3) ... [2023-12-09 15:13:56,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0bf00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:13:56, skipping insertion in model container [2023-12-09 15:13:56,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:13:56" (3/3) ... [2023-12-09 15:13:56,029 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2023-12-09 15:13:56,040 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-09 15:13:56,040 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-09 15:13:56,041 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-09 15:13:56,078 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-12-09 15:13:56,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 86 transitions, 186 flow [2023-12-09 15:13:56,132 INFO L124 PetriNetUnfolderBase]: 1/84 cut-off events. [2023-12-09 15:13:56,132 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-12-09 15:13:56,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 84 events. 1/84 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 17 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 27. Up to 2 conditions per place. [2023-12-09 15:13:56,135 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 86 transitions, 186 flow [2023-12-09 15:13:56,137 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 75 transitions, 162 flow [2023-12-09 15:13:56,143 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-09 15:13:56,147 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;@35e9cd08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-09 15:13:56,147 INFO L363 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-12-09 15:13:56,160 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-12-09 15:13:56,160 INFO L124 PetriNetUnfolderBase]: 1/74 cut-off events. [2023-12-09 15:13:56,160 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-12-09 15:13:56,160 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:13:56,161 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 15:13:56,161 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 15:13:56,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:13:56,165 INFO L85 PathProgramCache]: Analyzing trace with hash -281441697, now seen corresponding path program 1 times [2023-12-09 15:13:56,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:13:56,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365910874] [2023-12-09 15:13:56,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:13:56,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:13:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:13:57,206 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 15:13:57,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:13:57,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365910874] [2023-12-09 15:13:57,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365910874] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:13:57,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:13:57,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-09 15:13:57,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015002900] [2023-12-09 15:13:57,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:13:57,214 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-09 15:13:57,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:13:57,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-09 15:13:57,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-09 15:13:57,240 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 86 [2023-12-09 15:13:57,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 75 transitions, 162 flow. Second operand has 6 states, 6 states have (on average 63.0) internal successors, (378), 6 states have internal predecessors, (378), 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 15:13:57,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:13:57,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 86 [2023-12-09 15:13:57,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:13:57,431 INFO L124 PetriNetUnfolderBase]: 2/99 cut-off events. [2023-12-09 15:13:57,431 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2023-12-09 15:13:57,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 99 events. 2/99 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 89 event pairs, 0 based on Foata normal form. 2/100 useless extension candidates. Maximal degree in co-relation 40. Up to 16 conditions per place. [2023-12-09 15:13:57,433 INFO L140 encePairwiseOnDemand]: 79/86 looper letters, 23 selfloop transitions, 1 changer transitions 9/82 dead transitions. [2023-12-09 15:13:57,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 82 transitions, 251 flow [2023-12-09 15:13:57,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-09 15:13:57,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-12-09 15:13:57,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 449 transitions. [2023-12-09 15:13:57,447 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7458471760797342 [2023-12-09 15:13:57,447 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 449 transitions. [2023-12-09 15:13:57,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 449 transitions. [2023-12-09 15:13:57,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:13:57,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 449 transitions. [2023-12-09 15:13:57,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 64.14285714285714) internal successors, (449), 7 states have internal predecessors, (449), 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 15:13:57,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 86.0) internal successors, (688), 8 states have internal predecessors, (688), 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 15:13:57,459 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 86.0) internal successors, (688), 8 states have internal predecessors, (688), 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 15:13:57,465 INFO L308 CegarLoopForPetriNet]: 81 programPoint places, 6 predicate places. [2023-12-09 15:13:57,465 INFO L500 AbstractCegarLoop]: Abstraction has has 87 places, 82 transitions, 251 flow [2023-12-09 15:13:57,466 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 63.0) internal successors, (378), 6 states have internal predecessors, (378), 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 15:13:57,466 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:13:57,466 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 15:13:57,466 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-09 15:13:57,466 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 15:13:57,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:13:57,468 INFO L85 PathProgramCache]: Analyzing trace with hash 2024559569, now seen corresponding path program 2 times [2023-12-09 15:13:57,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:13:57,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313349424] [2023-12-09 15:13:57,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:13:57,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:13:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:13:57,948 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 15:13:57,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:13:57,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313349424] [2023-12-09 15:13:57,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313349424] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:13:57,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:13:57,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-09 15:13:57,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381435086] [2023-12-09 15:13:57,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:13:57,951 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-09 15:13:57,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:13:57,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-09 15:13:57,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-09 15:13:57,953 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 86 [2023-12-09 15:13:57,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 82 transitions, 251 flow. Second operand has 6 states, 6 states have (on average 63.0) internal successors, (378), 6 states have internal predecessors, (378), 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 15:13:57,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:13:57,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 86 [2023-12-09 15:13:57,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:13:58,104 INFO L124 PetriNetUnfolderBase]: 2/95 cut-off events. [2023-12-09 15:13:58,105 INFO L125 PetriNetUnfolderBase]: For 51/55 co-relation queries the response was YES. [2023-12-09 15:13:58,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 95 events. 2/95 cut-off events. For 51/55 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 88 event pairs, 0 based on Foata normal form. 2/97 useless extension candidates. Maximal degree in co-relation 47. Up to 19 conditions per place. [2023-12-09 15:13:58,107 INFO L140 encePairwiseOnDemand]: 80/86 looper letters, 0 selfloop transitions, 0 changer transitions 80/80 dead transitions. [2023-12-09 15:13:58,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 80 transitions, 312 flow [2023-12-09 15:13:58,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-09 15:13:58,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-12-09 15:13:58,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 444 transitions. [2023-12-09 15:13:58,109 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7375415282392026 [2023-12-09 15:13:58,109 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 444 transitions. [2023-12-09 15:13:58,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 444 transitions. [2023-12-09 15:13:58,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:13:58,109 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 444 transitions. [2023-12-09 15:13:58,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 63.42857142857143) internal successors, (444), 7 states have internal predecessors, (444), 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 15:13:58,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 86.0) internal successors, (688), 8 states have internal predecessors, (688), 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 15:13:58,111 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 86.0) internal successors, (688), 8 states have internal predecessors, (688), 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 15:13:58,112 INFO L308 CegarLoopForPetriNet]: 81 programPoint places, 8 predicate places. [2023-12-09 15:13:58,112 INFO L500 AbstractCegarLoop]: Abstraction has has 89 places, 80 transitions, 312 flow [2023-12-09 15:13:58,112 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 63.0) internal successors, (378), 6 states have internal predecessors, (378), 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 15:13:58,119 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/chl-time-symm.wvr.c_BEv2_AllErrorsAtOnce [2023-12-09 15:13:58,148 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-12-09 15:13:58,150 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-12-09 15:13:58,150 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-12-09 15:13:58,150 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-09 15:13:58,151 INFO L457 BasicCegarLoop]: Path program histogram: [2] [2023-12-09 15:13:58,157 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-09 15:13:58,157 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-12-09 15:13:58,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:13:58 BasicIcfg [2023-12-09 15:13:58,165 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-09 15:13:58,166 INFO L158 Benchmark]: Toolchain (without parser) took 2961.63ms. Allocated memory was 284.2MB in the beginning and 341.8MB in the end (delta: 57.7MB). Free memory was 236.1MB in the beginning and 241.4MB in the end (delta: -5.2MB). Peak memory consumption was 54.0MB. Max. memory is 8.0GB. [2023-12-09 15:13:58,166 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 195.0MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-09 15:13:58,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.73ms. Allocated memory is still 284.2MB. Free memory was 235.6MB in the beginning and 224.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-12-09 15:13:58,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.78ms. Allocated memory is still 284.2MB. Free memory was 224.6MB in the beginning and 222.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-09 15:13:58,170 INFO L158 Benchmark]: Boogie Preprocessor took 19.54ms. Allocated memory is still 284.2MB. Free memory was 222.5MB in the beginning and 220.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-09 15:13:58,170 INFO L158 Benchmark]: RCFGBuilder took 601.92ms. Allocated memory is still 284.2MB. Free memory was 220.9MB in the beginning and 174.3MB in the end (delta: 46.7MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2023-12-09 15:13:58,172 INFO L158 Benchmark]: TraceAbstraction took 2140.95ms. Allocated memory was 284.2MB in the beginning and 341.8MB in the end (delta: 57.7MB). Free memory was 173.8MB in the beginning and 241.4MB in the end (delta: -67.6MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-09 15:13:58,176 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 195.0MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 165.73ms. Allocated memory is still 284.2MB. Free memory was 235.6MB in the beginning and 224.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.78ms. Allocated memory is still 284.2MB. Free memory was 224.6MB in the beginning and 222.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.54ms. Allocated memory is still 284.2MB. Free memory was 222.5MB in the beginning and 220.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 601.92ms. Allocated memory is still 284.2MB. Free memory was 220.9MB in the beginning and 174.3MB in the end (delta: 46.7MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. * TraceAbstraction took 2140.95ms. Allocated memory was 284.2MB in the beginning and 341.8MB in the end (delta: 57.7MB). Free memory was 173.8MB in the beginning and 241.4MB in the end (delta: -67.6MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 80]: 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. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 116 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 123 IncrementalHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 32 mSDtfsCounter, 123 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=312occurred in iteration=2, InterpolantAutomatonStates: 14, 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, 1.3s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 994 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 15:13:58,191 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...