/usr/bin/java -Xmx16000000000 -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-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked INSUFFICIENT_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/security.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-24 10:21:48,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-24 10:21:48,291 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-VariableLbe.epf [2023-08-24 10:21:48,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-24 10:21:48,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-24 10:21:48,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-24 10:21:48,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-24 10:21:48,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-24 10:21:48,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-24 10:21:48,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-24 10:21:48,330 INFO L153 SettingsManager]: * Use SBE=true [2023-08-24 10:21:48,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-24 10:21:48,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-24 10:21:48,332 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-24 10:21:48,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-24 10:21:48,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-24 10:21:48,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-24 10:21:48,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-24 10:21:48,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-24 10:21:48,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-24 10:21:48,334 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-24 10:21:48,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-24 10:21:48,334 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-24 10:21:48,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-24 10:21:48,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-24 10:21:48,335 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-24 10:21:48,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-24 10:21:48,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-24 10:21:48,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-24 10:21:48,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-24 10:21:48,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-24 10:21:48,337 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-24 10:21:48,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-24 10:21:48,337 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-24 10:21:48,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-24 10:21:48,338 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST [2023-08-24 10:21:48,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-24 10:21:48,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-24 10:21:48,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-24 10:21:48,666 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-24 10:21:48,669 INFO L274 PluginConnector]: CDTParser initialized [2023-08-24 10:21:48,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/security.wvr.c [2023-08-24 10:21:49,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-24 10:21:50,074 INFO L384 CDTParser]: Found 1 translation units. [2023-08-24 10:21:50,074 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/security.wvr.c [2023-08-24 10:21:50,080 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8c2045f/4cecbaf0064141599317039a90422f2d/FLAGfb8dd49de [2023-08-24 10:21:50,091 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8c2045f/4cecbaf0064141599317039a90422f2d [2023-08-24 10:21:50,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-24 10:21:50,094 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-24 10:21:50,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-24 10:21:50,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-24 10:21:50,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-24 10:21:50,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.08 10:21:50" (1/1) ... [2023-08-24 10:21:50,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280a51f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 10:21:50, skipping insertion in model container [2023-08-24 10:21:50,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.08 10:21:50" (1/1) ... [2023-08-24 10:21:50,117 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-24 10:21:50,271 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/security.wvr.c[1931,1944] [2023-08-24 10:21:50,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-24 10:21:50,283 INFO L201 MainTranslator]: Completed pre-run [2023-08-24 10:21:50,308 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/security.wvr.c[1931,1944] [2023-08-24 10:21:50,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-24 10:21:50,328 INFO L206 MainTranslator]: Completed translation [2023-08-24 10:21:50,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 10:21:50 WrapperNode [2023-08-24 10:21:50,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-24 10:21:50,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-24 10:21:50,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-24 10:21:50,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-24 10:21:50,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 10:21:50" (1/1) ... [2023-08-24 10:21:50,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 10:21:50" (1/1) ... [2023-08-24 10:21:50,364 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2023-08-24 10:21:50,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-24 10:21:50,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-24 10:21:50,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-24 10:21:50,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-24 10:21:50,374 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 10:21:50" (1/1) ... [2023-08-24 10:21:50,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 10:21:50" (1/1) ... [2023-08-24 10:21:50,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 10:21:50" (1/1) ... [2023-08-24 10:21:50,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 10:21:50" (1/1) ... [2023-08-24 10:21:50,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 10:21:50" (1/1) ... [2023-08-24 10:21:50,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 10:21:50" (1/1) ... [2023-08-24 10:21:50,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 10:21:50" (1/1) ... [2023-08-24 10:21:50,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 10:21:50" (1/1) ... [2023-08-24 10:21:50,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-24 10:21:50,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-24 10:21:50,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-24 10:21:50,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-24 10:21:50,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 10:21:50" (1/1) ... [2023-08-24 10:21:50,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-24 10:21:50,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-24 10:21:50,425 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) [2023-08-24 10:21:50,465 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 [2023-08-24 10:21:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-24 10:21:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-24 10:21:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-24 10:21:50,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-24 10:21:50,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-24 10:21:50,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-24 10:21:50,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-24 10:21:50,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-24 10:21:50,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-24 10:21:50,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-24 10:21:50,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-24 10:21:50,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-24 10:21:50,472 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-24 10:21:50,575 INFO L236 CfgBuilder]: Building ICFG [2023-08-24 10:21:50,577 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-24 10:21:50,704 INFO L277 CfgBuilder]: Performing block encoding [2023-08-24 10:21:50,710 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-24 10:21:50,711 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-24 10:21:50,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.08 10:21:50 BoogieIcfgContainer [2023-08-24 10:21:50,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-24 10:21:50,714 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-24 10:21:50,714 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-24 10:21:50,717 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-24 10:21:50,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.08 10:21:50" (1/3) ... [2023-08-24 10:21:50,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b205a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.08 10:21:50, skipping insertion in model container [2023-08-24 10:21:50,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 10:21:50" (2/3) ... [2023-08-24 10:21:50,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b205a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.08 10:21:50, skipping insertion in model container [2023-08-24 10:21:50,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.08 10:21:50" (3/3) ... [2023-08-24 10:21:50,720 INFO L112 eAbstractionObserver]: Analyzing ICFG security.wvr.c [2023-08-24 10:21:50,735 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-24 10:21:50,735 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-24 10:21:50,735 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-24 10:21:50,782 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-24 10:21:50,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 79 transitions, 174 flow [2023-08-24 10:21:50,851 INFO L124 PetriNetUnfolderBase]: 3/77 cut-off events. [2023-08-24 10:21:50,851 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-24 10:21:50,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 77 events. 3/77 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2023-08-24 10:21:50,856 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 79 transitions, 174 flow [2023-08-24 10:21:50,859 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 69 transitions, 150 flow [2023-08-24 10:21:50,863 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-24 10:21:50,872 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 69 transitions, 150 flow [2023-08-24 10:21:50,874 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 69 transitions, 150 flow [2023-08-24 10:21:50,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 69 transitions, 150 flow [2023-08-24 10:21:50,900 INFO L124 PetriNetUnfolderBase]: 3/69 cut-off events. [2023-08-24 10:21:50,900 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-24 10:21:50,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 69 events. 3/69 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2023-08-24 10:21:50,903 INFO L119 LiptonReduction]: Number of co-enabled transitions 572 [2023-08-24 10:21:52,955 INFO L134 LiptonReduction]: Checked pairs total: 558 [2023-08-24 10:21:52,955 INFO L136 LiptonReduction]: Total number of compositions: 70 [2023-08-24 10:21:52,970 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-24 10:21:52,977 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=LoopsAndPotentialCycles, 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;@4623be8d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-24 10:21:52,977 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-08-24 10:21:52,989 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-24 10:21:52,989 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2023-08-24 10:21:52,990 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-24 10:21:52,990 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-24 10:21:52,990 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-24 10:21:52,991 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-24 10:21:52,996 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-24 10:21:52,997 INFO L85 PathProgramCache]: Analyzing trace with hash -2050265939, now seen corresponding path program 1 times [2023-08-24 10:21:53,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-24 10:21:53,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235468488] [2023-08-24 10:21:53,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-24 10:21:53,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-24 10:21:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-24 10:21:53,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-24 10:21:53,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-24 10:21:53,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235468488] [2023-08-24 10:21:53,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235468488] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-24 10:21:53,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-24 10:21:53,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-24 10:21:53,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694738188] [2023-08-24 10:21:53,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-24 10:21:53,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-24 10:21:53,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-24 10:21:53,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-24 10:21:53,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-24 10:21:53,737 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 149 [2023-08-24 10:21:53,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 11 transitions, 34 flow. Second operand has 4 states, 4 states have (on average 68.75) internal successors, (275), 4 states have internal predecessors, (275), 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) [2023-08-24 10:21:53,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-24 10:21:53,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 149 [2023-08-24 10:21:53,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-24 10:21:53,809 INFO L124 PetriNetUnfolderBase]: 8/32 cut-off events. [2023-08-24 10:21:53,809 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-08-24 10:21:53,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 32 events. 8/32 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 56 event pairs, 0 based on Foata normal form. 1/33 useless extension candidates. Maximal degree in co-relation 45. Up to 16 conditions per place. [2023-08-24 10:21:53,811 INFO L140 encePairwiseOnDemand]: 145/149 looper letters, 10 selfloop transitions, 3 changer transitions 8/21 dead transitions. [2023-08-24 10:21:53,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 21 transitions, 105 flow [2023-08-24 10:21:53,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-24 10:21:53,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-24 10:21:53,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 352 transitions. [2023-08-24 10:21:53,825 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47248322147651006 [2023-08-24 10:21:53,826 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 352 transitions. [2023-08-24 10:21:53,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 352 transitions. [2023-08-24 10:21:53,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-24 10:21:53,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 352 transitions. [2023-08-24 10:21:53,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 70.4) internal successors, (352), 5 states have internal predecessors, (352), 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) [2023-08-24 10:21:53,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 149.0) internal successors, (894), 6 states have internal predecessors, (894), 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) [2023-08-24 10:21:53,844 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 149.0) internal successors, (894), 6 states have internal predecessors, (894), 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) [2023-08-24 10:21:53,845 INFO L175 Difference]: Start difference. First operand has 18 places, 11 transitions, 34 flow. Second operand 5 states and 352 transitions. [2023-08-24 10:21:53,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 21 transitions, 105 flow [2023-08-24 10:21:53,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 21 transitions, 91 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-24 10:21:53,850 INFO L231 Difference]: Finished difference. Result has 19 places, 11 transitions, 34 flow [2023-08-24 10:21:53,852 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=34, PETRI_PLACES=19, PETRI_TRANSITIONS=11} [2023-08-24 10:21:53,856 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 1 predicate places. [2023-08-24 10:21:53,856 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 11 transitions, 34 flow [2023-08-24 10:21:53,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.75) internal successors, (275), 4 states have internal predecessors, (275), 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) [2023-08-24 10:21:53,857 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-24 10:21:53,857 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-24 10:21:53,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-24 10:21:53,857 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-24 10:21:53,859 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-24 10:21:53,859 INFO L85 PathProgramCache]: Analyzing trace with hash 414361243, now seen corresponding path program 2 times [2023-08-24 10:21:53,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-24 10:21:53,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167288924] [2023-08-24 10:21:53,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-24 10:21:53,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-24 10:21:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-24 10:21:54,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-24 10:21:54,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-24 10:21:54,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167288924] [2023-08-24 10:21:54,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167288924] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-24 10:21:54,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-24 10:21:54,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-24 10:21:54,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715666669] [2023-08-24 10:21:54,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-24 10:21:54,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-24 10:21:54,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-24 10:21:54,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-24 10:21:54,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-24 10:21:54,163 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 149 [2023-08-24 10:21:54,163 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 11 transitions, 34 flow. Second operand has 4 states, 4 states have (on average 68.75) internal successors, (275), 4 states have internal predecessors, (275), 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) [2023-08-24 10:21:54,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-24 10:21:54,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 149 [2023-08-24 10:21:54,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-24 10:21:54,210 INFO L124 PetriNetUnfolderBase]: 2/14 cut-off events. [2023-08-24 10:21:54,210 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-24 10:21:54,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 14 events. 2/14 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 8 event pairs, 0 based on Foata normal form. 1/15 useless extension candidates. Maximal degree in co-relation 35. Up to 6 conditions per place. [2023-08-24 10:21:54,211 INFO L140 encePairwiseOnDemand]: 145/149 looper letters, 0 selfloop transitions, 0 changer transitions 12/12 dead transitions. [2023-08-24 10:21:54,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 12 transitions, 58 flow [2023-08-24 10:21:54,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-24 10:21:54,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-24 10:21:54,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 343 transitions. [2023-08-24 10:21:54,216 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4604026845637584 [2023-08-24 10:21:54,216 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 343 transitions. [2023-08-24 10:21:54,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 343 transitions. [2023-08-24 10:21:54,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-24 10:21:54,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 343 transitions. [2023-08-24 10:21:54,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 68.6) internal successors, (343), 5 states have internal predecessors, (343), 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) [2023-08-24 10:21:54,220 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 149.0) internal successors, (894), 6 states have internal predecessors, (894), 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) [2023-08-24 10:21:54,220 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 149.0) internal successors, (894), 6 states have internal predecessors, (894), 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) [2023-08-24 10:21:54,220 INFO L175 Difference]: Start difference. First operand has 19 places, 11 transitions, 34 flow. Second operand 5 states and 343 transitions. [2023-08-24 10:21:54,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 12 transitions, 58 flow [2023-08-24 10:21:54,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 12 transitions, 54 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-24 10:21:54,221 INFO L231 Difference]: Finished difference. Result has 19 places, 0 transitions, 0 flow [2023-08-24 10:21:54,221 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=15, 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=5, PETRI_FLOW=0, PETRI_PLACES=19, PETRI_TRANSITIONS=0} [2023-08-24 10:21:54,222 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 1 predicate places. [2023-08-24 10:21:54,222 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 0 transitions, 0 flow [2023-08-24 10:21:54,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.75) internal successors, (275), 4 states have internal predecessors, (275), 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) [2023-08-24 10:21:54,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-08-24 10:21:54,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-08-24 10:21:54,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-08-24 10:21:54,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-24 10:21:54,227 INFO L445 BasicCegarLoop]: Path program histogram: [2] [2023-08-24 10:21:54,230 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-24 10:21:54,230 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-24 10:21:54,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.08 10:21:54 BasicIcfg [2023-08-24 10:21:54,233 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-24 10:21:54,234 INFO L158 Benchmark]: Toolchain (without parser) took 4139.46ms. Allocated memory was 358.6MB in the beginning and 432.0MB in the end (delta: 73.4MB). Free memory was 335.1MB in the beginning and 397.3MB in the end (delta: -62.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-24 10:21:54,234 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 358.6MB. Free memory is still 335.0MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-24 10:21:54,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.66ms. Allocated memory is still 358.6MB. Free memory was 335.1MB in the beginning and 324.5MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-08-24 10:21:54,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.15ms. Allocated memory is still 358.6MB. Free memory was 324.5MB in the beginning and 322.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-24 10:21:54,236 INFO L158 Benchmark]: Boogie Preprocessor took 27.95ms. Allocated memory is still 358.6MB. Free memory was 322.9MB in the beginning and 321.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-24 10:21:54,236 INFO L158 Benchmark]: RCFGBuilder took 317.99ms. Allocated memory is still 358.6MB. Free memory was 321.3MB in the beginning and 309.3MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-08-24 10:21:54,237 INFO L158 Benchmark]: TraceAbstraction took 3519.10ms. Allocated memory was 358.6MB in the beginning and 432.0MB in the end (delta: 73.4MB). Free memory was 308.7MB in the beginning and 397.3MB in the end (delta: -88.5MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-24 10:21:54,239 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 358.6MB. Free memory is still 335.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 233.66ms. Allocated memory is still 358.6MB. Free memory was 335.1MB in the beginning and 324.5MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 35.15ms. Allocated memory is still 358.6MB. Free memory was 324.5MB in the beginning and 322.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 27.95ms. Allocated memory is still 358.6MB. Free memory was 322.9MB in the beginning and 321.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 317.99ms. Allocated memory is still 358.6MB. Free memory was 321.3MB in the beginning and 309.3MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * TraceAbstraction took 3519.10ms. Allocated memory was 358.6MB in the beginning and 432.0MB in the end (delta: 73.4MB). Free memory was 308.7MB in the beginning and 397.3MB in the end (delta: -88.5MB). There was no memory consumed. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1s, 73 PlacesBefore, 18 PlacesAfterwards, 69 TransitionsBefore, 11 TransitionsAfterwards, 572 CoEnabledTransitionPairs, 5 FixpointIterations, 32 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 6 ConcurrentYvCompositions, 3 ChoiceCompositions, 70 TotalNumberOfCompositions, 558 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 558, independent: 558, independent conditional: 0, independent unconditional: 558, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 351, independent: 351, independent conditional: 0, independent unconditional: 351, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 558, independent: 207, independent conditional: 0, independent unconditional: 207, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 351, unknown conditional: 0, unknown unconditional: 351] , Statistics on independence cache: Total cache size (in pairs): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 76]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 101 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: 3.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 0.8s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 306 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! [2023-08-24 10:21:54,258 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...