/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/weaver/spaghetti.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 07:15:23,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 07:15:23,918 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 [2023-08-25 07:15:23,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 07:15:23,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 07:15:23,945 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 07:15:23,946 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 07:15:23,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 07:15:23,947 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 07:15:23,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 07:15:23,950 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 07:15:23,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 07:15:23,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 07:15:23,951 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 07:15:23,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 07:15:23,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 07:15:23,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 07:15:23,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 07:15:23,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 07:15:23,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 07:15:23,952 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 07:15:23,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 07:15:23,953 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 07:15:23,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 07:15:23,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 07:15:23,954 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 07:15:23,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 07:15:23,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 07:15:23,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 07:15:23,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 07:15:23,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 07:15:23,955 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 07:15:23,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 07:15:23,956 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 07:15:23,956 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 07:15:23,956 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 07:15:24,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 07:15:24,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 07:15:24,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 07:15:24,234 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 07:15:24,236 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 07:15:24,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/spaghetti.wvr.c [2023-08-25 07:15:25,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 07:15:25,479 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 07:15:25,479 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/spaghetti.wvr.c [2023-08-25 07:15:25,486 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70f537e3f/b35972ec2504467680620c60e8a7936d/FLAG2a4b1dc9a [2023-08-25 07:15:25,496 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70f537e3f/b35972ec2504467680620c60e8a7936d [2023-08-25 07:15:25,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 07:15:25,498 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 07:15:25,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 07:15:25,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 07:15:25,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 07:15:25,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 07:15:25" (1/1) ... [2023-08-25 07:15:25,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed25d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:15:25, skipping insertion in model container [2023-08-25 07:15:25,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 07:15:25" (1/1) ... [2023-08-25 07:15:25,517 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 07:15:25,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 07:15:25,680 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 07:15:25,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 07:15:25,721 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 07:15:25,721 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 07:15:25,726 INFO L206 MainTranslator]: Completed translation [2023-08-25 07:15:25,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:15:25 WrapperNode [2023-08-25 07:15:25,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 07:15:25,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 07:15:25,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 07:15:25,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 07:15:25,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:15:25" (1/1) ... [2023-08-25 07:15:25,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:15:25" (1/1) ... [2023-08-25 07:15:25,770 INFO L138 Inliner]: procedures = 23, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2023-08-25 07:15:25,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 07:15:25,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 07:15:25,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 07:15:25,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 07:15:25,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:15:25" (1/1) ... [2023-08-25 07:15:25,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:15:25" (1/1) ... [2023-08-25 07:15:25,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:15:25" (1/1) ... [2023-08-25 07:15:25,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:15:25" (1/1) ... [2023-08-25 07:15:25,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:15:25" (1/1) ... [2023-08-25 07:15:25,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:15:25" (1/1) ... [2023-08-25 07:15:25,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:15:25" (1/1) ... [2023-08-25 07:15:25,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:15:25" (1/1) ... [2023-08-25 07:15:25,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 07:15:25,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 07:15:25,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 07:15:25,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 07:15:25,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:15:25" (1/1) ... [2023-08-25 07:15:25,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 07:15:25,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 07:15:25,867 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) [2023-08-25 07:15:25,916 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 [2023-08-25 07:15:25,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 07:15:25,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-25 07:15:25,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-25 07:15:25,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-25 07:15:25,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-25 07:15:25,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-25 07:15:25,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-25 07:15:25,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-25 07:15:25,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-25 07:15:25,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 07:15:25,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 07:15:25,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 07:15:25,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 07:15:25,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 07:15:25,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 07:15:25,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 07:15:25,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 07:15:25,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 07:15:25,938 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 07:15:26,012 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 07:15:26,014 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 07:15:26,293 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 07:15:26,345 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 07:15:26,345 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-25 07:15:26,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 07:15:26 BoogieIcfgContainer [2023-08-25 07:15:26,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 07:15:26,348 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 07:15:26,349 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 07:15:26,351 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 07:15:26,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 07:15:25" (1/3) ... [2023-08-25 07:15:26,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6539abb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 07:15:26, skipping insertion in model container [2023-08-25 07:15:26,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 07:15:25" (2/3) ... [2023-08-25 07:15:26,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6539abb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 07:15:26, skipping insertion in model container [2023-08-25 07:15:26,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 07:15:26" (3/3) ... [2023-08-25 07:15:26,353 INFO L112 eAbstractionObserver]: Analyzing ICFG spaghetti.wvr.c [2023-08-25 07:15:26,365 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 07:15:26,366 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2023-08-25 07:15:26,366 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 07:15:26,421 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-25 07:15:26,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 196 places, 192 transitions, 416 flow [2023-08-25 07:15:26,504 INFO L124 PetriNetUnfolderBase]: 9/188 cut-off events. [2023-08-25 07:15:26,504 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-25 07:15:26,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 188 events. 9/188 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 232 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 111. Up to 2 conditions per place. [2023-08-25 07:15:26,510 INFO L82 GeneralOperation]: Start removeDead. Operand has 196 places, 192 transitions, 416 flow [2023-08-25 07:15:26,517 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 179 places, 175 transitions, 374 flow [2023-08-25 07:15:26,520 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 07:15:26,533 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 175 transitions, 374 flow [2023-08-25 07:15:26,539 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 179 places, 175 transitions, 374 flow [2023-08-25 07:15:26,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 179 places, 175 transitions, 374 flow [2023-08-25 07:15:26,566 INFO L124 PetriNetUnfolderBase]: 9/175 cut-off events. [2023-08-25 07:15:26,566 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-25 07:15:26,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 175 events. 9/175 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 231 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 111. Up to 2 conditions per place. [2023-08-25 07:15:26,577 INFO L119 LiptonReduction]: Number of co-enabled transitions 8078 [2023-08-25 07:15:29,546 INFO L134 LiptonReduction]: Checked pairs total: 18866 [2023-08-25 07:15:29,547 INFO L136 LiptonReduction]: Total number of compositions: 168 [2023-08-25 07:15:29,563 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 07:15:29,571 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;@196ee7ce, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 07:15:29,572 INFO L358 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2023-08-25 07:15:29,573 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 07:15:29,573 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 07:15:29,573 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 07:15:29,573 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 07:15:29,573 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 07:15:29,574 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 07:15:29,577 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 07:15:29,578 INFO L85 PathProgramCache]: Analyzing trace with hash 881, now seen corresponding path program 1 times [2023-08-25 07:15:29,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 07:15:29,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836001979] [2023-08-25 07:15:29,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 07:15:29,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 07:15:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 07:15:29,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 07:15:29,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 07:15:29,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836001979] [2023-08-25 07:15:29,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836001979] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 07:15:29,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 07:15:29,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 07:15:29,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496847020] [2023-08-25 07:15:29,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 07:15:29,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 07:15:29,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 07:15:29,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 07:15:29,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 07:15:29,691 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 360 [2023-08-25 07:15:29,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 63 transitions, 150 flow. Second operand has 2 states, 2 states have (on average 140.5) internal successors, (281), 2 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) [2023-08-25 07:15:29,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 07:15:29,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 360 [2023-08-25 07:15:29,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 07:15:29,883 INFO L124 PetriNetUnfolderBase]: 1623/2144 cut-off events. [2023-08-25 07:15:29,884 INFO L125 PetriNetUnfolderBase]: For 121/121 co-relation queries the response was YES. [2023-08-25 07:15:29,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4476 conditions, 2144 events. 1623/2144 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 6992 event pairs, 1109 based on Foata normal form. 0/1630 useless extension candidates. Maximal degree in co-relation 3664. Up to 2145 conditions per place. [2023-08-25 07:15:29,899 INFO L140 encePairwiseOnDemand]: 328/360 looper letters, 31 selfloop transitions, 0 changer transitions 0/31 dead transitions. [2023-08-25 07:15:29,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 31 transitions, 148 flow [2023-08-25 07:15:29,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 07:15:29,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 07:15:29,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 343 transitions. [2023-08-25 07:15:29,913 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47638888888888886 [2023-08-25 07:15:29,914 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 343 transitions. [2023-08-25 07:15:29,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 343 transitions. [2023-08-25 07:15:29,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 07:15:29,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 343 transitions. [2023-08-25 07:15:29,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 171.5) internal successors, (343), 2 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) [2023-08-25 07:15:29,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 360.0) internal successors, (1080), 3 states have internal predecessors, (1080), 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) [2023-08-25 07:15:29,927 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 360.0) internal successors, (1080), 3 states have internal predecessors, (1080), 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) [2023-08-25 07:15:29,928 INFO L175 Difference]: Start difference. First operand has 72 places, 63 transitions, 150 flow. Second operand 2 states and 343 transitions. [2023-08-25 07:15:29,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 31 transitions, 148 flow [2023-08-25 07:15:29,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 31 transitions, 132 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-25 07:15:29,936 INFO L231 Difference]: Finished difference. Result has 33 places, 31 transitions, 70 flow [2023-08-25 07:15:29,938 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=70, PETRI_PLACES=33, PETRI_TRANSITIONS=31} [2023-08-25 07:15:29,940 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -39 predicate places. [2023-08-25 07:15:29,940 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 31 transitions, 70 flow [2023-08-25 07:15:29,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 140.5) internal successors, (281), 2 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) [2023-08-25 07:15:29,941 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 07:15:29,941 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 07:15:29,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 07:15:29,942 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 07:15:29,947 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 07:15:29,948 INFO L85 PathProgramCache]: Analyzing trace with hash -475973645, now seen corresponding path program 1 times [2023-08-25 07:15:29,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 07:15:29,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836491594] [2023-08-25 07:15:29,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 07:15:29,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 07:15:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 07:15:30,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 07:15:30,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 07:15:30,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836491594] [2023-08-25 07:15:30,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836491594] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 07:15:30,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 07:15:30,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 07:15:30,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61594960] [2023-08-25 07:15:30,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 07:15:30,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 07:15:30,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 07:15:30,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 07:15:30,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-25 07:15:30,362 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 360 [2023-08-25 07:15:30,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 31 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 140.25) internal successors, (561), 4 states have internal predecessors, (561), 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) [2023-08-25 07:15:30,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 07:15:30,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 360 [2023-08-25 07:15:30,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 07:15:30,589 INFO L124 PetriNetUnfolderBase]: 2135/2897 cut-off events. [2023-08-25 07:15:30,589 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2023-08-25 07:15:30,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5883 conditions, 2897 events. 2135/2897 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 11655 event pairs, 621 based on Foata normal form. 1/2220 useless extension candidates. Maximal degree in co-relation 5880. Up to 1323 conditions per place. [2023-08-25 07:15:30,599 INFO L140 encePairwiseOnDemand]: 351/360 looper letters, 53 selfloop transitions, 10 changer transitions 13/76 dead transitions. [2023-08-25 07:15:30,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 76 transitions, 320 flow [2023-08-25 07:15:30,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 07:15:30,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 07:15:30,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 617 transitions. [2023-08-25 07:15:30,602 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4284722222222222 [2023-08-25 07:15:30,602 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 617 transitions. [2023-08-25 07:15:30,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 617 transitions. [2023-08-25 07:15:30,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 07:15:30,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 617 transitions. [2023-08-25 07:15:30,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 154.25) internal successors, (617), 4 states have internal predecessors, (617), 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) [2023-08-25 07:15:30,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 360.0) internal successors, (1800), 5 states have internal predecessors, (1800), 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) [2023-08-25 07:15:30,608 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 360.0) internal successors, (1800), 5 states have internal predecessors, (1800), 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) [2023-08-25 07:15:30,608 INFO L175 Difference]: Start difference. First operand has 33 places, 31 transitions, 70 flow. Second operand 4 states and 617 transitions. [2023-08-25 07:15:30,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 76 transitions, 320 flow [2023-08-25 07:15:30,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 76 transitions, 320 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 07:15:30,610 INFO L231 Difference]: Finished difference. Result has 39 places, 41 transitions, 148 flow [2023-08-25 07:15:30,610 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=148, PETRI_PLACES=39, PETRI_TRANSITIONS=41} [2023-08-25 07:15:30,611 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -33 predicate places. [2023-08-25 07:15:30,611 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 41 transitions, 148 flow [2023-08-25 07:15:30,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 140.25) internal successors, (561), 4 states have internal predecessors, (561), 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) [2023-08-25 07:15:30,614 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 07:15:30,614 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 07:15:30,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 07:15:30,617 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-08-25 07:15:30,618 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 07:15:30,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1751527175, now seen corresponding path program 2 times [2023-08-25 07:15:30,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 07:15:30,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545317539] [2023-08-25 07:15:30,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 07:15:30,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 07:15:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 07:15:30,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 07:15:30,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 07:15:30,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545317539] [2023-08-25 07:15:30,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545317539] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 07:15:30,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 07:15:30,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 07:15:30,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904158801] [2023-08-25 07:15:30,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 07:15:30,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 07:15:30,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 07:15:30,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 07:15:30,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-25 07:15:30,836 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 360 [2023-08-25 07:15:30,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 41 transitions, 148 flow. Second operand has 4 states, 4 states have (on average 140.25) internal successors, (561), 4 states have internal predecessors, (561), 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) [2023-08-25 07:15:30,837 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 07:15:30,837 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 360 [2023-08-25 07:15:30,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 07:15:31,126 INFO L124 PetriNetUnfolderBase]: 2485/3419 cut-off events. [2023-08-25 07:15:31,126 INFO L125 PetriNetUnfolderBase]: For 1934/1934 co-relation queries the response was YES. [2023-08-25 07:15:31,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9073 conditions, 3419 events. 2485/3419 cut-off events. For 1934/1934 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 14095 event pairs, 768 based on Foata normal form. 1/3420 useless extension candidates. Maximal degree in co-relation 9067. Up to 1916 conditions per place. [2023-08-25 07:15:31,131 INFO L140 encePairwiseOnDemand]: 351/360 looper letters, 0 selfloop transitions, 0 changer transitions 93/93 dead transitions. [2023-08-25 07:15:31,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 93 transitions, 512 flow [2023-08-25 07:15:31,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 07:15:31,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 07:15:31,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 616 transitions. [2023-08-25 07:15:31,133 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42777777777777776 [2023-08-25 07:15:31,133 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 616 transitions. [2023-08-25 07:15:31,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 616 transitions. [2023-08-25 07:15:31,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 07:15:31,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 616 transitions. [2023-08-25 07:15:31,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 154.0) internal successors, (616), 4 states have internal predecessors, (616), 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) [2023-08-25 07:15:31,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 360.0) internal successors, (1800), 5 states have internal predecessors, (1800), 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) [2023-08-25 07:15:31,137 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 360.0) internal successors, (1800), 5 states have internal predecessors, (1800), 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) [2023-08-25 07:15:31,137 INFO L175 Difference]: Start difference. First operand has 39 places, 41 transitions, 148 flow. Second operand 4 states and 616 transitions. [2023-08-25 07:15:31,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 93 transitions, 512 flow [2023-08-25 07:15:31,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 93 transitions, 512 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 07:15:31,138 INFO L231 Difference]: Finished difference. Result has 41 places, 0 transitions, 0 flow [2023-08-25 07:15:31,139 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=360, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=41, PETRI_TRANSITIONS=0} [2023-08-25 07:15:31,139 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -31 predicate places. [2023-08-25 07:15:31,139 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 0 transitions, 0 flow [2023-08-25 07:15:31,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 140.25) internal successors, (561), 4 states have internal predecessors, (561), 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) [2023-08-25 07:15:31,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (60 of 61 remaining) [2023-08-25 07:15:31,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2023-08-25 07:15:31,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2023-08-25 07:15:31,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2023-08-25 07:15:31,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2023-08-25 07:15:31,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2023-08-25 07:15:31,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2023-08-25 07:15:31,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2023-08-25 07:15:31,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2023-08-25 07:15:31,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2023-08-25 07:15:31,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2023-08-25 07:15:31,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2023-08-25 07:15:31,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2023-08-25 07:15:31,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2023-08-25 07:15:31,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2023-08-25 07:15:31,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2023-08-25 07:15:31,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2023-08-25 07:15:31,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2023-08-25 07:15:31,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2023-08-25 07:15:31,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2023-08-25 07:15:31,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2023-08-25 07:15:31,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2023-08-25 07:15:31,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2023-08-25 07:15:31,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2023-08-25 07:15:31,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2023-08-25 07:15:31,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2023-08-25 07:15:31,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONASSERT (34 of 61 remaining) [2023-08-25 07:15:31,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 61 remaining) [2023-08-25 07:15:31,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 61 remaining) [2023-08-25 07:15:31,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 61 remaining) [2023-08-25 07:15:31,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 61 remaining) [2023-08-25 07:15:31,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2023-08-25 07:15:31,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2023-08-25 07:15:31,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2023-08-25 07:15:31,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (26 of 61 remaining) [2023-08-25 07:15:31,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (25 of 61 remaining) [2023-08-25 07:15:31,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (24 of 61 remaining) [2023-08-25 07:15:31,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 61 remaining) [2023-08-25 07:15:31,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 61 remaining) [2023-08-25 07:15:31,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2023-08-25 07:15:31,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2023-08-25 07:15:31,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2023-08-25 07:15:31,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2023-08-25 07:15:31,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2023-08-25 07:15:31,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2023-08-25 07:15:31,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2023-08-25 07:15:31,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2023-08-25 07:15:31,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2023-08-25 07:15:31,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2023-08-25 07:15:31,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2023-08-25 07:15:31,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2023-08-25 07:15:31,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2023-08-25 07:15:31,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2023-08-25 07:15:31,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2023-08-25 07:15:31,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2023-08-25 07:15:31,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2023-08-25 07:15:31,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2023-08-25 07:15:31,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2023-08-25 07:15:31,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2023-08-25 07:15:31,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2023-08-25 07:15:31,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2023-08-25 07:15:31,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 07:15:31,148 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2023-08-25 07:15:31,152 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 07:15:31,152 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 07:15:31,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 07:15:31 BasicIcfg [2023-08-25 07:15:31,154 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 07:15:31,154 INFO L158 Benchmark]: Toolchain (without parser) took 5656.01ms. Allocated memory was 354.4MB in the beginning and 432.0MB in the end (delta: 77.6MB). Free memory was 331.0MB in the beginning and 327.9MB in the end (delta: 3.1MB). Peak memory consumption was 259.1MB. Max. memory is 16.0GB. [2023-08-25 07:15:31,154 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 354.4MB. Free memory is still 330.9MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 07:15:31,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.82ms. Allocated memory is still 354.4MB. Free memory was 330.5MB in the beginning and 318.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-25 07:15:31,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.00ms. Allocated memory is still 354.4MB. Free memory was 318.7MB in the beginning and 316.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 07:15:31,155 INFO L158 Benchmark]: Boogie Preprocessor took 39.34ms. Allocated memory is still 354.4MB. Free memory was 316.6MB in the beginning and 315.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 07:15:31,155 INFO L158 Benchmark]: RCFGBuilder took 536.29ms. Allocated memory is still 354.4MB. Free memory was 315.0MB in the beginning and 284.2MB in the end (delta: 30.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. [2023-08-25 07:15:31,156 INFO L158 Benchmark]: TraceAbstraction took 4805.41ms. Allocated memory was 354.4MB in the beginning and 432.0MB in the end (delta: 77.6MB). Free memory was 283.5MB in the beginning and 327.9MB in the end (delta: -44.4MB). Peak memory consumption was 210.9MB. Max. memory is 16.0GB. [2023-08-25 07:15:31,157 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 354.4MB. Free memory is still 330.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 227.82ms. Allocated memory is still 354.4MB. Free memory was 330.5MB in the beginning and 318.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 43.00ms. Allocated memory is still 354.4MB. Free memory was 318.7MB in the beginning and 316.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 39.34ms. Allocated memory is still 354.4MB. Free memory was 316.6MB in the beginning and 315.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 536.29ms. Allocated memory is still 354.4MB. Free memory was 315.0MB in the beginning and 284.2MB in the end (delta: 30.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. * TraceAbstraction took 4805.41ms. Allocated memory was 354.4MB in the beginning and 432.0MB in the end (delta: 77.6MB). Free memory was 283.5MB in the beginning and 327.9MB in the end (delta: -44.4MB). Peak memory consumption was 210.9MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.0s, 179 PlacesBefore, 72 PlacesAfterwards, 175 TransitionsBefore, 63 TransitionsAfterwards, 8078 CoEnabledTransitionPairs, 7 FixpointIterations, 53 TrivialSequentialCompositions, 107 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 5 ChoiceCompositions, 168 TotalNumberOfCompositions, 18866 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11183, independent: 10941, independent conditional: 0, independent unconditional: 10941, dependent: 242, dependent conditional: 0, dependent unconditional: 242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4409, independent: 4342, independent conditional: 0, independent unconditional: 4342, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11183, independent: 6599, independent conditional: 0, independent unconditional: 6599, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 4409, unknown conditional: 0, unknown unconditional: 4409] , Statistics on independence cache: Total cache size (in pairs): 541, Positive cache size: 514, Positive conditional cache size: 0, Positive unconditional cache size: 514, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 21]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 254 locations, 61 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: 4.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 343 IncrementalHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 0 mSDtfsCounter, 343 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 33 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-25 07:15:31,188 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...