/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 -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 15:32:59,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 15:33:00,050 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-SemanticLbe.epf [2023-11-17 15:33:00,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 15:33:00,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 15:33:00,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 15:33:00,096 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 15:33:00,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 15:33:00,097 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 15:33:00,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 15:33:00,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 15:33:00,103 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 15:33:00,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 15:33:00,104 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 15:33:00,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 15:33:00,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 15:33:00,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 15:33:00,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 15:33:00,105 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 15:33:00,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 15:33:00,105 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 15:33:00,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 15:33:00,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 15:33:00,107 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 15:33:00,107 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 15:33:00,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:33:00,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 15:33:00,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 15:33:00,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 15:33:00,108 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 15:33:00,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 15:33:00,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 15:33:00,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-17 15:33:00,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 15:33:00,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 15:33:00,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 15:33:00,365 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 15:33:00,365 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 15:33:00,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i [2023-11-17 15:33:01,596 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 15:33:01,825 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 15:33:01,832 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i [2023-11-17 15:33:01,843 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77edd2086/5055cd4e8d0540789179a125d5f089cc/FLAGe966a8158 [2023-11-17 15:33:01,855 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77edd2086/5055cd4e8d0540789179a125d5f089cc [2023-11-17 15:33:01,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 15:33:01,859 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 15:33:01,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 15:33:01,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 15:33:01,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 15:33:01,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:33:01" (1/1) ... [2023-11-17 15:33:01,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f55ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:01, skipping insertion in model container [2023-11-17 15:33:01,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:33:01" (1/1) ... [2023-11-17 15:33:01,905 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 15:33:02,031 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i[1093,1106] [2023-11-17 15:33:02,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:33:02,206 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 15:33:02,218 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i[1093,1106] [2023-11-17 15:33:02,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:33:02,278 INFO L206 MainTranslator]: Completed translation [2023-11-17 15:33:02,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:02 WrapperNode [2023-11-17 15:33:02,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 15:33:02,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 15:33:02,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 15:33:02,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 15:33:02,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:02" (1/1) ... [2023-11-17 15:33:02,319 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:02" (1/1) ... [2023-11-17 15:33:02,345 INFO L138 Inliner]: procedures = 163, calls = 40, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2023-11-17 15:33:02,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 15:33:02,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 15:33:02,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 15:33:02,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 15:33:02,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:02" (1/1) ... [2023-11-17 15:33:02,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:02" (1/1) ... [2023-11-17 15:33:02,360 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:02" (1/1) ... [2023-11-17 15:33:02,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:02" (1/1) ... [2023-11-17 15:33:02,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:02" (1/1) ... [2023-11-17 15:33:02,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:02" (1/1) ... [2023-11-17 15:33:02,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:02" (1/1) ... [2023-11-17 15:33:02,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:02" (1/1) ... [2023-11-17 15:33:02,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 15:33:02,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 15:33:02,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 15:33:02,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 15:33:02,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:02" (1/1) ... [2023-11-17 15:33:02,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:33:02,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:33:02,421 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) [2023-11-17 15:33:02,433 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 [2023-11-17 15:33:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 15:33:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-17 15:33:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 15:33:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 15:33:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-17 15:33:02,455 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-17 15:33:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 15:33:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 15:33:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-17 15:33:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 15:33:02,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 15:33:02,457 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 15:33:02,603 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 15:33:02,605 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 15:33:02,756 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 15:33:02,788 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 15:33:02,789 INFO L307 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-17 15:33:02,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:33:02 BoogieIcfgContainer [2023-11-17 15:33:02,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 15:33:02,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 15:33:02,793 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 15:33:02,796 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 15:33:02,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:33:01" (1/3) ... [2023-11-17 15:33:02,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725c3e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:33:02, skipping insertion in model container [2023-11-17 15:33:02,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:33:02" (2/3) ... [2023-11-17 15:33:02,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725c3e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:33:02, skipping insertion in model container [2023-11-17 15:33:02,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:33:02" (3/3) ... [2023-11-17 15:33:02,798 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_33-traces-v-matters_true.i [2023-11-17 15:33:02,815 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 15:33:02,815 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 15:33:02,815 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 15:33:02,864 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-17 15:33:02,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 79 transitions, 162 flow [2023-11-17 15:33:02,936 INFO L124 PetriNetUnfolderBase]: 1/78 cut-off events. [2023-11-17 15:33:02,936 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 15:33:02,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 78 events. 1/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2023-11-17 15:33:02,941 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 79 transitions, 162 flow [2023-11-17 15:33:02,944 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 71 places, 67 transitions, 137 flow [2023-11-17 15:33:02,947 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 15:33:02,958 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 67 transitions, 137 flow [2023-11-17 15:33:02,961 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 67 transitions, 137 flow [2023-11-17 15:33:02,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 67 transitions, 137 flow [2023-11-17 15:33:03,007 INFO L124 PetriNetUnfolderBase]: 0/67 cut-off events. [2023-11-17 15:33:03,007 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 15:33:03,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 67 events. 0/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 31 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-17 15:33:03,008 INFO L119 LiptonReduction]: Number of co-enabled transitions 512 [2023-11-17 15:33:05,817 INFO L134 LiptonReduction]: Checked pairs total: 1299 [2023-11-17 15:33:05,818 INFO L136 LiptonReduction]: Total number of compositions: 52 [2023-11-17 15:33:05,832 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-17 15:33:05,839 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, 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;@2098f599, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 15:33:05,839 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-17 15:33:05,844 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-17 15:33:05,844 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2023-11-17 15:33:05,844 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 15:33:05,845 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:33:05,845 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 15:33:05,846 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 15:33:05,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:33:05,850 INFO L85 PathProgramCache]: Analyzing trace with hash 704366374, now seen corresponding path program 1 times [2023-11-17 15:33:05,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:33:05,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201009483] [2023-11-17 15:33:05,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:33:05,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:33:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:33:06,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 15:33:06,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 15:33:06,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201009483] [2023-11-17 15:33:06,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201009483] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 15:33:06,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 15:33:06,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 15:33:06,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278791715] [2023-11-17 15:33:06,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 15:33:06,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 15:33:06,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 15:33:06,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 15:33:06,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 15:33:06,227 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 131 [2023-11-17 15:33:06,229 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 15 transitions, 33 flow. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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) [2023-11-17 15:33:06,229 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 15:33:06,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 131 [2023-11-17 15:33:06,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 15:33:06,320 INFO L124 PetriNetUnfolderBase]: 46/115 cut-off events. [2023-11-17 15:33:06,320 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 15:33:06,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 115 events. 46/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 361 event pairs, 18 based on Foata normal form. 8/123 useless extension candidates. Maximal degree in co-relation 226. Up to 74 conditions per place. [2023-11-17 15:33:06,323 INFO L140 encePairwiseOnDemand]: 128/131 looper letters, 17 selfloop transitions, 2 changer transitions 5/24 dead transitions. [2023-11-17 15:33:06,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 24 transitions, 99 flow [2023-11-17 15:33:06,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 15:33:06,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-17 15:33:06,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2023-11-17 15:33:06,339 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5368956743002544 [2023-11-17 15:33:06,340 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 211 transitions. [2023-11-17 15:33:06,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 211 transitions. [2023-11-17 15:33:06,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 15:33:06,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 211 transitions. [2023-11-17 15:33:06,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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) [2023-11-17 15:33:06,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 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) [2023-11-17 15:33:06,355 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 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) [2023-11-17 15:33:06,357 INFO L175 Difference]: Start difference. First operand has 19 places, 15 transitions, 33 flow. Second operand 3 states and 211 transitions. [2023-11-17 15:33:06,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 24 transitions, 99 flow [2023-11-17 15:33:06,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 24 transitions, 98 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-17 15:33:06,361 INFO L231 Difference]: Finished difference. Result has 21 places, 15 transitions, 40 flow [2023-11-17 15:33:06,363 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=40, PETRI_PLACES=21, PETRI_TRANSITIONS=15} [2023-11-17 15:33:06,369 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 2 predicate places. [2023-11-17 15:33:06,369 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 15 transitions, 40 flow [2023-11-17 15:33:06,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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) [2023-11-17 15:33:06,370 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:33:06,370 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 15:33:06,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 15:33:06,371 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 15:33:06,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:33:06,372 INFO L85 PathProgramCache]: Analyzing trace with hash 430120393, now seen corresponding path program 1 times [2023-11-17 15:33:06,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:33:06,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494405278] [2023-11-17 15:33:06,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:33:06,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:33:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:33:06,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 15:33:06,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 15:33:06,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494405278] [2023-11-17 15:33:06,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494405278] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 15:33:06,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 15:33:06,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 15:33:06,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73992652] [2023-11-17 15:33:06,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 15:33:06,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 15:33:06,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 15:33:06,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 15:33:06,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 15:33:06,492 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 131 [2023-11-17 15:33:06,492 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 15 transitions, 40 flow. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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) [2023-11-17 15:33:06,492 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 15:33:06,492 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 131 [2023-11-17 15:33:06,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 15:33:06,537 INFO L124 PetriNetUnfolderBase]: 11/39 cut-off events. [2023-11-17 15:33:06,537 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-17 15:33:06,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 39 events. 11/39 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 4 based on Foata normal form. 5/44 useless extension candidates. Maximal degree in co-relation 84. Up to 20 conditions per place. [2023-11-17 15:33:06,538 INFO L140 encePairwiseOnDemand]: 127/131 looper letters, 13 selfloop transitions, 4 changer transitions 0/17 dead transitions. [2023-11-17 15:33:06,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 17 transitions, 80 flow [2023-11-17 15:33:06,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 15:33:06,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-17 15:33:06,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 199 transitions. [2023-11-17 15:33:06,546 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5063613231552163 [2023-11-17 15:33:06,547 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 199 transitions. [2023-11-17 15:33:06,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 199 transitions. [2023-11-17 15:33:06,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 15:33:06,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 199 transitions. [2023-11-17 15:33:06,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) [2023-11-17 15:33:06,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 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) [2023-11-17 15:33:06,561 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 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) [2023-11-17 15:33:06,561 INFO L175 Difference]: Start difference. First operand has 21 places, 15 transitions, 40 flow. Second operand 3 states and 199 transitions. [2023-11-17 15:33:06,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 17 transitions, 80 flow [2023-11-17 15:33:06,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 17 transitions, 78 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-17 15:33:06,562 INFO L231 Difference]: Finished difference. Result has 22 places, 15 transitions, 46 flow [2023-11-17 15:33:06,562 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=22, PETRI_TRANSITIONS=15} [2023-11-17 15:33:06,563 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 3 predicate places. [2023-11-17 15:33:06,563 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 15 transitions, 46 flow [2023-11-17 15:33:06,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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) [2023-11-17 15:33:06,564 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:33:06,564 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 15:33:06,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 15:33:06,564 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 15:33:06,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:33:06,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1431682517, now seen corresponding path program 2 times [2023-11-17 15:33:06,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:33:06,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042182254] [2023-11-17 15:33:06,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:33:06,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:33:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:33:06,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 15:33:06,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 15:33:06,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042182254] [2023-11-17 15:33:06,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042182254] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 15:33:06,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 15:33:06,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-17 15:33:06,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87979724] [2023-11-17 15:33:06,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 15:33:06,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-17 15:33:06,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 15:33:06,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-17 15:33:06,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-17 15:33:06,810 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 131 [2023-11-17 15:33:06,810 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 15 transitions, 46 flow. Second operand has 5 states, 5 states have (on average 56.2) internal successors, (281), 5 states have internal predecessors, (281), 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) [2023-11-17 15:33:06,810 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 15:33:06,810 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 131 [2023-11-17 15:33:06,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 15:33:06,861 INFO L124 PetriNetUnfolderBase]: 4/29 cut-off events. [2023-11-17 15:33:06,861 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 15:33:06,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 29 events. 4/29 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 4/33 useless extension candidates. Maximal degree in co-relation 66. Up to 15 conditions per place. [2023-11-17 15:33:06,862 INFO L140 encePairwiseOnDemand]: 126/131 looper letters, 13 selfloop transitions, 5 changer transitions 1/19 dead transitions. [2023-11-17 15:33:06,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 19 transitions, 96 flow [2023-11-17 15:33:06,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 15:33:06,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-17 15:33:06,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 237 transitions. [2023-11-17 15:33:06,864 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45229007633587787 [2023-11-17 15:33:06,864 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 237 transitions. [2023-11-17 15:33:06,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 237 transitions. [2023-11-17 15:33:06,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 15:33:06,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 237 transitions. [2023-11-17 15:33:06,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 59.25) internal successors, (237), 4 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 15:33:06,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 131.0) internal successors, (655), 5 states have internal predecessors, (655), 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) [2023-11-17 15:33:06,867 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 131.0) internal successors, (655), 5 states have internal predecessors, (655), 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) [2023-11-17 15:33:06,868 INFO L175 Difference]: Start difference. First operand has 22 places, 15 transitions, 46 flow. Second operand 4 states and 237 transitions. [2023-11-17 15:33:06,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 19 transitions, 96 flow [2023-11-17 15:33:06,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 19 transitions, 91 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-17 15:33:06,869 INFO L231 Difference]: Finished difference. Result has 25 places, 16 transitions, 60 flow [2023-11-17 15:33:06,869 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=60, PETRI_PLACES=25, PETRI_TRANSITIONS=16} [2023-11-17 15:33:06,870 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 6 predicate places. [2023-11-17 15:33:06,871 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 16 transitions, 60 flow [2023-11-17 15:33:06,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 56.2) internal successors, (281), 5 states have internal predecessors, (281), 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) [2023-11-17 15:33:06,871 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:33:06,871 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 15:33:06,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-17 15:33:06,872 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 15:33:06,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:33:06,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1400902947, now seen corresponding path program 1 times [2023-11-17 15:33:06,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:33:06,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078203207] [2023-11-17 15:33:06,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:33:06,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:33:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:33:07,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 15:33:07,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 15:33:07,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078203207] [2023-11-17 15:33:07,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078203207] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 15:33:07,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 15:33:07,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-17 15:33:07,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291552024] [2023-11-17 15:33:07,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 15:33:07,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-17 15:33:07,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 15:33:07,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-17 15:33:07,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-17 15:33:07,080 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2023-11-17 15:33:07,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 16 transitions, 60 flow. Second operand has 6 states, 6 states have (on average 50.166666666666664) internal successors, (301), 6 states have internal predecessors, (301), 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) [2023-11-17 15:33:07,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 15:33:07,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2023-11-17 15:33:07,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 15:33:07,106 INFO L124 PetriNetUnfolderBase]: 1/14 cut-off events. [2023-11-17 15:33:07,106 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-17 15:33:07,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 14 events. 1/14 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 8 event pairs, 1 based on Foata normal form. 1/15 useless extension candidates. Maximal degree in co-relation 31. Up to 9 conditions per place. [2023-11-17 15:33:07,107 INFO L140 encePairwiseOnDemand]: 128/131 looper letters, 0 selfloop transitions, 0 changer transitions 12/12 dead transitions. [2023-11-17 15:33:07,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 12 transitions, 69 flow [2023-11-17 15:33:07,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 15:33:07,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-17 15:33:07,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 205 transitions. [2023-11-17 15:33:07,108 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39122137404580154 [2023-11-17 15:33:07,108 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 205 transitions. [2023-11-17 15:33:07,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 205 transitions. [2023-11-17 15:33:07,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 15:33:07,109 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 205 transitions. [2023-11-17 15:33:07,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 51.25) internal successors, (205), 4 states have internal predecessors, (205), 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) [2023-11-17 15:33:07,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 131.0) internal successors, (655), 5 states have internal predecessors, (655), 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) [2023-11-17 15:33:07,111 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 131.0) internal successors, (655), 5 states have internal predecessors, (655), 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) [2023-11-17 15:33:07,111 INFO L175 Difference]: Start difference. First operand has 25 places, 16 transitions, 60 flow. Second operand 4 states and 205 transitions. [2023-11-17 15:33:07,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 12 transitions, 69 flow [2023-11-17 15:33:07,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 12 transitions, 63 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-17 15:33:07,112 INFO L231 Difference]: Finished difference. Result has 20 places, 0 transitions, 0 flow [2023-11-17 15:33:07,112 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=20, PETRI_TRANSITIONS=0} [2023-11-17 15:33:07,113 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 1 predicate places. [2023-11-17 15:33:07,114 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 0 transitions, 0 flow [2023-11-17 15:33:07,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 50.166666666666664) internal successors, (301), 6 states have internal predecessors, (301), 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) [2023-11-17 15:33:07,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-17 15:33:07,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-11-17 15:33:07,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-17 15:33:07,118 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2023-11-17 15:33:07,122 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 15:33:07,123 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 15:33:07,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:33:07 BasicIcfg [2023-11-17 15:33:07,130 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 15:33:07,131 INFO L158 Benchmark]: Toolchain (without parser) took 5272.04ms. Allocated memory was 189.8MB in the beginning and 270.5MB in the end (delta: 80.7MB). Free memory was 142.1MB in the beginning and 166.8MB in the end (delta: -24.6MB). Peak memory consumption was 57.2MB. Max. memory is 8.0GB. [2023-11-17 15:33:07,131 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 189.8MB. Free memory is still 137.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 15:33:07,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.21ms. Allocated memory is still 189.8MB. Free memory was 142.1MB in the beginning and 122.8MB in the end (delta: 19.3MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-11-17 15:33:07,131 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.89ms. Allocated memory is still 189.8MB. Free memory was 122.8MB in the beginning and 120.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 15:33:07,132 INFO L158 Benchmark]: Boogie Preprocessor took 33.69ms. Allocated memory is still 189.8MB. Free memory was 120.8MB in the beginning and 119.4MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-11-17 15:33:07,136 INFO L158 Benchmark]: RCFGBuilder took 409.91ms. Allocated memory is still 189.8MB. Free memory was 119.4MB in the beginning and 103.7MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-11-17 15:33:07,136 INFO L158 Benchmark]: TraceAbstraction took 4337.56ms. Allocated memory was 189.8MB in the beginning and 270.5MB in the end (delta: 80.7MB). Free memory was 103.0MB in the beginning and 166.8MB in the end (delta: -63.8MB). Peak memory consumption was 17.3MB. Max. memory is 8.0GB. [2023-11-17 15:33:07,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 189.8MB. Free memory is still 137.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 419.21ms. Allocated memory is still 189.8MB. Free memory was 142.1MB in the beginning and 122.8MB in the end (delta: 19.3MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.89ms. Allocated memory is still 189.8MB. Free memory was 122.8MB in the beginning and 120.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.69ms. Allocated memory is still 189.8MB. Free memory was 120.8MB in the beginning and 119.4MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 409.91ms. Allocated memory is still 189.8MB. Free memory was 119.4MB in the beginning and 103.7MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 4337.56ms. Allocated memory was 189.8MB in the beginning and 270.5MB in the end (delta: 80.7MB). Free memory was 103.0MB in the beginning and 166.8MB in the end (delta: -63.8MB). Peak memory consumption was 17.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.9s, 71 PlacesBefore, 19 PlacesAfterwards, 67 TransitionsBefore, 15 TransitionsAfterwards, 512 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 52 TotalNumberOfCompositions, 1299 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 745, independent: 607, independent conditional: 0, independent unconditional: 607, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 356, independent: 322, independent conditional: 0, independent unconditional: 322, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 356, independent: 299, independent conditional: 0, independent unconditional: 299, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 57, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 102, dependent conditional: 0, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 745, independent: 285, independent conditional: 0, independent unconditional: 285, dependent: 104, dependent conditional: 0, dependent unconditional: 104, unknown: 356, unknown conditional: 0, unknown unconditional: 356] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 19]: 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 3 procedures, 97 locations, 2 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: 4.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108 IncrementalHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 0 mSDtfsCounter, 108 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, 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, 0.7s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2023-11-17 15:33:07,160 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...