./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 17:56:30,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 17:56:30,143 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-22 17:56:30,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 17:56:30,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 17:56:30,181 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 17:56:30,181 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 17:56:30,182 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 17:56:30,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 17:56:30,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 17:56:30,183 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 17:56:30,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 17:56:30,183 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 17:56:30,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 17:56:30,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 17:56:30,184 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 17:56:30,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 17:56:30,186 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 17:56:30,186 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 17:56:30,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 17:56:30,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 17:56:30,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 17:56:30,195 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-22 17:56:30,195 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 17:56:30,195 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 17:56:30,195 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 17:56:30,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 17:56:30,195 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 17:56:30,196 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 17:56:30,196 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 17:56:30,196 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 17:56:30,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:56:30,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 17:56:30,196 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 17:56:30,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 17:56:30,197 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 17:56:30,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 17:56:30,197 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 17:56:30,197 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 17:56:30,197 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 17:56:30,197 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 17:56:30,198 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 [2024-11-22 17:56:30,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 17:56:30,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 17:56:30,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 17:56:30,456 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 17:56:30,456 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 17:56:30,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2024-11-22 17:56:31,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 17:56:32,096 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 17:56:32,097 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2024-11-22 17:56:32,109 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4961a9d90/fdb3f05d5c214e78adbef8a29fbd60ee/FLAGed46d8940 [2024-11-22 17:56:32,120 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4961a9d90/fdb3f05d5c214e78adbef8a29fbd60ee [2024-11-22 17:56:32,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 17:56:32,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 17:56:32,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 17:56:32,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 17:56:32,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 17:56:32,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d9993c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32, skipping insertion in model container [2024-11-22 17:56:32,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 17:56:32,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:56:32,475 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 17:56:32,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 17:56:32,668 INFO L204 MainTranslator]: Completed translation [2024-11-22 17:56:32,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32 WrapperNode [2024-11-22 17:56:32,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 17:56:32,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 17:56:32,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 17:56:32,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 17:56:32,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,820 INFO L138 Inliner]: procedures = 24, calls = 298, calls flagged for inlining = 70, calls inlined = 98, statements flattened = 3269 [2024-11-22 17:56:32,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 17:56:32,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 17:56:32,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 17:56:32,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 17:56:32,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:32,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:33,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 17:56:33,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 17:56:33,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 17:56:33,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 17:56:33,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (1/1) ... [2024-11-22 17:56:33,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 17:56:33,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 17:56:33,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 17:56:33,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 17:56:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 17:56:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-22 17:56:33,077 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-22 17:56:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-22 17:56:33,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-22 17:56:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 17:56:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 17:56:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-22 17:56:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-22 17:56:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 17:56:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 17:56:33,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 17:56:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 17:56:33,081 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 17:56:33,227 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 17:56:33,229 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 17:56:36,078 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 17:56:36,078 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 17:56:44,916 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 17:56:44,924 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-22 17:56:44,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:56:44 BoogieIcfgContainer [2024-11-22 17:56:44,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 17:56:44,927 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 17:56:44,927 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 17:56:44,938 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 17:56:44,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 05:56:32" (1/3) ... [2024-11-22 17:56:44,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331b800d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:56:44, skipping insertion in model container [2024-11-22 17:56:44,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 05:56:32" (2/3) ... [2024-11-22 17:56:44,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331b800d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 05:56:44, skipping insertion in model container [2024-11-22 17:56:44,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 05:56:44" (3/3) ... [2024-11-22 17:56:44,948 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-symm.wvr.c [2024-11-22 17:56:44,965 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 17:56:44,966 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 494 error locations. [2024-11-22 17:56:44,966 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 17:56:46,760 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-22 17:56:46,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1068 places, 1116 transitions, 2246 flow [2024-11-22 17:56:47,437 INFO L124 PetriNetUnfolderBase]: 55/1114 cut-off events. [2024-11-22 17:56:47,438 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-22 17:56:47,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1123 conditions, 1114 events. 55/1114 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5190 event pairs, 0 based on Foata normal form. 0/565 useless extension candidates. Maximal degree in co-relation 772. Up to 7 conditions per place. [2024-11-22 17:56:47,458 INFO L82 GeneralOperation]: Start removeDead. Operand has 1068 places, 1116 transitions, 2246 flow [2024-11-22 17:56:47,493 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1046 places, 1092 transitions, 2196 flow [2024-11-22 17:56:47,503 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 17:56:47,510 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e8db9fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 17:56:47,511 INFO L334 AbstractCegarLoop]: Starting to check reachability of 970 error locations. [2024-11-22 17:56:47,519 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 17:56:47,520 INFO L124 PetriNetUnfolderBase]: 3/71 cut-off events. [2024-11-22 17:56:47,520 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 17:56:47,520 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:56:47,521 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:56:47,521 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-22 17:56:47,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:56:47,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1737294229, now seen corresponding path program 1 times [2024-11-22 17:56:47,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:56:47,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036210805] [2024-11-22 17:56:47,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:56:47,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:56:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:56:48,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:56:48,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:56:48,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036210805] [2024-11-22 17:56:48,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036210805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:56:48,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:56:48,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 17:56:48,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202561084] [2024-11-22 17:56:48,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:56:48,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 17:56:48,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:56:48,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 17:56:48,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 17:56:48,634 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 474 out of 1116 [2024-11-22 17:56:48,640 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1046 places, 1092 transitions, 2196 flow. Second operand has 6 states, 6 states have (on average 475.5) internal successors, (2853), 6 states have internal predecessors, (2853), 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) [2024-11-22 17:56:48,641 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:56:48,641 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 474 of 1116 [2024-11-22 17:56:48,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:56:56,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 17:57:00,634 INFO L124 PetriNetUnfolderBase]: 104/806 cut-off events. [2024-11-22 17:57:00,634 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-22 17:57:00,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1049 conditions, 806 events. 104/806 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1943 event pairs, 15 based on Foata normal form. 44/747 useless extension candidates. Maximal degree in co-relation 617. Up to 185 conditions per place. [2024-11-22 17:57:00,644 INFO L140 encePairwiseOnDemand]: 566/1116 looper letters, 90 selfloop transitions, 40 changer transitions 16/582 dead transitions. [2024-11-22 17:57:00,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 582 transitions, 1436 flow [2024-11-22 17:57:00,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 17:57:00,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 17:57:00,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3484 transitions. [2024-11-22 17:57:00,669 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5203106332138591 [2024-11-22 17:57:00,670 INFO L175 Difference]: Start difference. First operand has 1046 places, 1092 transitions, 2196 flow. Second operand 6 states and 3484 transitions. [2024-11-22 17:57:00,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 569 places, 582 transitions, 1436 flow [2024-11-22 17:57:00,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 582 transitions, 1428 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-22 17:57:00,682 INFO L231 Difference]: Finished difference. Result has 565 places, 566 transitions, 1216 flow [2024-11-22 17:57:00,684 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1168, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=582, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1216, PETRI_PLACES=565, PETRI_TRANSITIONS=566} [2024-11-22 17:57:00,686 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -481 predicate places. [2024-11-22 17:57:00,686 INFO L471 AbstractCegarLoop]: Abstraction has has 565 places, 566 transitions, 1216 flow [2024-11-22 17:57:00,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 475.5) internal successors, (2853), 6 states have internal predecessors, (2853), 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) [2024-11-22 17:57:00,688 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:00,688 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:00,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 17:57:00,688 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-22 17:57:00,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:00,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1472892581, now seen corresponding path program 1 times [2024-11-22 17:57:00,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:00,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113981298] [2024-11-22 17:57:00,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:00,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:00,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:00,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:00,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113981298] [2024-11-22 17:57:00,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113981298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:00,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:00,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:00,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420385244] [2024-11-22 17:57:00,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:00,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:00,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:00,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:00,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:00,786 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-22 17:57:00,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 566 transitions, 1216 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-22 17:57:00,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:00,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-22 17:57:00,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:02,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 17:57:08,263 INFO L124 PetriNetUnfolderBase]: 104/789 cut-off events. [2024-11-22 17:57:08,263 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:57:08,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 962 conditions, 789 events. 104/789 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1919 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 839. Up to 124 conditions per place. [2024-11-22 17:57:08,266 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/565 dead transitions. [2024-11-22 17:57:08,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 565 transitions, 1276 flow [2024-11-22 17:57:08,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:08,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:08,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-22 17:57:08,274 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-22 17:57:08,274 INFO L175 Difference]: Start difference. First operand has 565 places, 566 transitions, 1216 flow. Second operand 3 states and 1769 transitions. [2024-11-22 17:57:08,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 565 transitions, 1276 flow [2024-11-22 17:57:08,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 565 transitions, 1196 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-22 17:57:08,282 INFO L231 Difference]: Finished difference. Result has 545 places, 565 transitions, 1138 flow [2024-11-22 17:57:08,283 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1134, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1138, PETRI_PLACES=545, PETRI_TRANSITIONS=565} [2024-11-22 17:57:08,283 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -501 predicate places. [2024-11-22 17:57:08,283 INFO L471 AbstractCegarLoop]: Abstraction has has 545 places, 565 transitions, 1138 flow [2024-11-22 17:57:08,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-22 17:57:08,285 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:08,285 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:08,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 17:57:08,285 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-22 17:57:08,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:08,286 INFO L85 PathProgramCache]: Analyzing trace with hash -156120571, now seen corresponding path program 1 times [2024-11-22 17:57:08,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:08,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808561841] [2024-11-22 17:57:08,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:08,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:08,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:08,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:08,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808561841] [2024-11-22 17:57:08,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808561841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:08,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:08,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:08,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961533172] [2024-11-22 17:57:08,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:08,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:08,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:08,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:08,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:08,361 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-22 17:57:08,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 565 transitions, 1138 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-22 17:57:08,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:08,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-22 17:57:08,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:11,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 17:57:15,717 INFO L124 PetriNetUnfolderBase]: 104/788 cut-off events. [2024-11-22 17:57:15,721 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:57:15,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 923 conditions, 788 events. 104/788 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1941 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 842. Up to 124 conditions per place. [2024-11-22 17:57:15,724 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/564 dead transitions. [2024-11-22 17:57:15,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 564 transitions, 1198 flow [2024-11-22 17:57:15,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:15,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:15,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-22 17:57:15,730 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-22 17:57:15,731 INFO L175 Difference]: Start difference. First operand has 545 places, 565 transitions, 1138 flow. Second operand 3 states and 1769 transitions. [2024-11-22 17:57:15,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 564 transitions, 1198 flow [2024-11-22 17:57:15,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 564 transitions, 1194 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:15,737 INFO L231 Difference]: Finished difference. Result has 544 places, 564 transitions, 1136 flow [2024-11-22 17:57:15,738 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1132, PETRI_DIFFERENCE_MINUEND_PLACES=542, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=562, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1136, PETRI_PLACES=544, PETRI_TRANSITIONS=564} [2024-11-22 17:57:15,739 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -502 predicate places. [2024-11-22 17:57:15,739 INFO L471 AbstractCegarLoop]: Abstraction has has 544 places, 564 transitions, 1136 flow [2024-11-22 17:57:15,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-22 17:57:15,740 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:15,741 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:15,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 17:57:15,741 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-22 17:57:15,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:15,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1548346605, now seen corresponding path program 1 times [2024-11-22 17:57:15,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:15,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983800524] [2024-11-22 17:57:15,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:15,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:15,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:15,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:15,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983800524] [2024-11-22 17:57:15,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983800524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:15,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:15,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:15,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932136596] [2024-11-22 17:57:15,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:15,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:15,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:15,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:15,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:15,820 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-22 17:57:15,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 564 transitions, 1136 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-22 17:57:15,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:15,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-22 17:57:15,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:20,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 17:57:23,065 INFO L124 PetriNetUnfolderBase]: 104/787 cut-off events. [2024-11-22 17:57:23,065 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:57:23,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 787 events. 104/787 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1937 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 794. Up to 124 conditions per place. [2024-11-22 17:57:23,069 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/563 dead transitions. [2024-11-22 17:57:23,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 563 transitions, 1196 flow [2024-11-22 17:57:23,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:23,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:23,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-22 17:57:23,080 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-22 17:57:23,080 INFO L175 Difference]: Start difference. First operand has 544 places, 564 transitions, 1136 flow. Second operand 3 states and 1769 transitions. [2024-11-22 17:57:23,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 563 transitions, 1196 flow [2024-11-22 17:57:23,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 563 transitions, 1192 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:23,087 INFO L231 Difference]: Finished difference. Result has 543 places, 563 transitions, 1134 flow [2024-11-22 17:57:23,088 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1130, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=563, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1134, PETRI_PLACES=543, PETRI_TRANSITIONS=563} [2024-11-22 17:57:23,089 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -503 predicate places. [2024-11-22 17:57:23,089 INFO L471 AbstractCegarLoop]: Abstraction has has 543 places, 563 transitions, 1134 flow [2024-11-22 17:57:23,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-22 17:57:23,090 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:23,090 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:23,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 17:57:23,091 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-22 17:57:23,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:23,091 INFO L85 PathProgramCache]: Analyzing trace with hash 2134823942, now seen corresponding path program 1 times [2024-11-22 17:57:23,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:23,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413223017] [2024-11-22 17:57:23,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:23,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:23,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:23,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:23,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413223017] [2024-11-22 17:57:23,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413223017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:23,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:23,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:23,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796594468] [2024-11-22 17:57:23,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:23,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:23,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:23,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:23,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:23,165 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-22 17:57:23,167 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 563 transitions, 1134 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-22 17:57:23,167 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:23,167 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-22 17:57:23,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:30,493 INFO L124 PetriNetUnfolderBase]: 104/786 cut-off events. [2024-11-22 17:57:30,494 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:57:30,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 921 conditions, 786 events. 104/786 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1936 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 746. Up to 124 conditions per place. [2024-11-22 17:57:30,496 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/562 dead transitions. [2024-11-22 17:57:30,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 562 transitions, 1194 flow [2024-11-22 17:57:30,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:30,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:30,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-22 17:57:30,505 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-22 17:57:30,505 INFO L175 Difference]: Start difference. First operand has 543 places, 563 transitions, 1134 flow. Second operand 3 states and 1769 transitions. [2024-11-22 17:57:30,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 562 transitions, 1194 flow [2024-11-22 17:57:30,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 562 transitions, 1190 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:30,511 INFO L231 Difference]: Finished difference. Result has 542 places, 562 transitions, 1132 flow [2024-11-22 17:57:30,512 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1128, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1132, PETRI_PLACES=542, PETRI_TRANSITIONS=562} [2024-11-22 17:57:30,514 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -504 predicate places. [2024-11-22 17:57:30,514 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 562 transitions, 1132 flow [2024-11-22 17:57:30,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-22 17:57:30,515 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:30,515 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:30,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 17:57:30,516 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-22 17:57:30,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:30,517 INFO L85 PathProgramCache]: Analyzing trace with hash 2032243358, now seen corresponding path program 1 times [2024-11-22 17:57:30,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:30,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111744045] [2024-11-22 17:57:30,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:30,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:30,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:30,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:30,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111744045] [2024-11-22 17:57:30,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111744045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:30,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:30,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:30,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230336344] [2024-11-22 17:57:30,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:30,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:30,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:30,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:30,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:30,647 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-22 17:57:30,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 562 transitions, 1132 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-22 17:57:30,649 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:30,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-22 17:57:30,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:37,760 INFO L124 PetriNetUnfolderBase]: 104/785 cut-off events. [2024-11-22 17:57:37,760 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:57:37,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 785 events. 104/785 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1934 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 698. Up to 124 conditions per place. [2024-11-22 17:57:37,763 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/561 dead transitions. [2024-11-22 17:57:37,764 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 561 transitions, 1192 flow [2024-11-22 17:57:37,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:37,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:37,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-22 17:57:37,770 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-22 17:57:37,770 INFO L175 Difference]: Start difference. First operand has 542 places, 562 transitions, 1132 flow. Second operand 3 states and 1769 transitions. [2024-11-22 17:57:37,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 561 transitions, 1192 flow [2024-11-22 17:57:37,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 561 transitions, 1188 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:37,776 INFO L231 Difference]: Finished difference. Result has 541 places, 561 transitions, 1130 flow [2024-11-22 17:57:37,777 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1126, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=561, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1130, PETRI_PLACES=541, PETRI_TRANSITIONS=561} [2024-11-22 17:57:37,777 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -505 predicate places. [2024-11-22 17:57:37,777 INFO L471 AbstractCegarLoop]: Abstraction has has 541 places, 561 transitions, 1130 flow [2024-11-22 17:57:37,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-22 17:57:37,779 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:37,779 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:37,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 17:57:37,779 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-22 17:57:37,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:37,779 INFO L85 PathProgramCache]: Analyzing trace with hash -128575960, now seen corresponding path program 1 times [2024-11-22 17:57:37,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:37,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533254803] [2024-11-22 17:57:37,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:37,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:37,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:37,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:37,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533254803] [2024-11-22 17:57:37,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533254803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:37,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:37,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:37,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710571089] [2024-11-22 17:57:37,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:37,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:37,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:37,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:37,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:37,877 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-22 17:57:37,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 561 transitions, 1130 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-22 17:57:37,879 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:37,879 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-22 17:57:37,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:44,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 17:57:46,436 INFO L124 PetriNetUnfolderBase]: 104/784 cut-off events. [2024-11-22 17:57:46,437 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:57:46,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 919 conditions, 784 events. 104/784 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1931 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 650. Up to 124 conditions per place. [2024-11-22 17:57:46,440 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/560 dead transitions. [2024-11-22 17:57:46,440 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 560 transitions, 1190 flow [2024-11-22 17:57:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:46,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:46,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-22 17:57:46,447 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-22 17:57:46,448 INFO L175 Difference]: Start difference. First operand has 541 places, 561 transitions, 1130 flow. Second operand 3 states and 1769 transitions. [2024-11-22 17:57:46,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 560 transitions, 1190 flow [2024-11-22 17:57:46,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 560 transitions, 1186 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:46,456 INFO L231 Difference]: Finished difference. Result has 540 places, 560 transitions, 1128 flow [2024-11-22 17:57:46,457 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1124, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1128, PETRI_PLACES=540, PETRI_TRANSITIONS=560} [2024-11-22 17:57:46,458 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -506 predicate places. [2024-11-22 17:57:46,458 INFO L471 AbstractCegarLoop]: Abstraction has has 540 places, 560 transitions, 1128 flow [2024-11-22 17:57:46,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-22 17:57:46,459 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:46,459 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:46,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 17:57:46,460 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-22 17:57:46,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:46,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1743684285, now seen corresponding path program 1 times [2024-11-22 17:57:46,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:46,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223793599] [2024-11-22 17:57:46,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:46,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:46,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:46,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:46,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223793599] [2024-11-22 17:57:46,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223793599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:46,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:46,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:46,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565611515] [2024-11-22 17:57:46,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:46,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:46,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:46,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:46,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:46,597 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-22 17:57:46,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 560 transitions, 1128 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-22 17:57:46,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:46,599 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-22 17:57:46,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:57:54,567 INFO L124 PetriNetUnfolderBase]: 104/783 cut-off events. [2024-11-22 17:57:54,567 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:57:54,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 918 conditions, 783 events. 104/783 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1929 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 602. Up to 124 conditions per place. [2024-11-22 17:57:54,571 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/559 dead transitions. [2024-11-22 17:57:54,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 559 transitions, 1188 flow [2024-11-22 17:57:54,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:57:54,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:57:54,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-22 17:57:54,577 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-22 17:57:54,577 INFO L175 Difference]: Start difference. First operand has 540 places, 560 transitions, 1128 flow. Second operand 3 states and 1769 transitions. [2024-11-22 17:57:54,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 559 transitions, 1188 flow [2024-11-22 17:57:54,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 559 transitions, 1184 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:57:54,585 INFO L231 Difference]: Finished difference. Result has 539 places, 559 transitions, 1126 flow [2024-11-22 17:57:54,586 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1122, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1126, PETRI_PLACES=539, PETRI_TRANSITIONS=559} [2024-11-22 17:57:54,589 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -507 predicate places. [2024-11-22 17:57:54,589 INFO L471 AbstractCegarLoop]: Abstraction has has 539 places, 559 transitions, 1126 flow [2024-11-22 17:57:54,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-22 17:57:54,590 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:57:54,591 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:57:54,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 17:57:54,591 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-22 17:57:54,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:57:54,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1194516128, now seen corresponding path program 1 times [2024-11-22 17:57:54,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:57:54,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375390960] [2024-11-22 17:57:54,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:57:54,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:57:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:57:54,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:57:54,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:57:54,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375390960] [2024-11-22 17:57:54,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375390960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:57:54,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:57:54,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:57:54,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499641469] [2024-11-22 17:57:54,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:57:54,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:57:54,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:57:54,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:57:54,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:57:54,733 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-22 17:57:54,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 559 transitions, 1126 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-22 17:57:54,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:57:54,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-22 17:57:54,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:58:02,756 INFO L124 PetriNetUnfolderBase]: 104/782 cut-off events. [2024-11-22 17:58:02,756 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 17:58:02,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 917 conditions, 782 events. 104/782 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1925 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 554. Up to 124 conditions per place. [2024-11-22 17:58:02,758 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/558 dead transitions. [2024-11-22 17:58:02,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 558 transitions, 1186 flow [2024-11-22 17:58:02,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 17:58:02,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 17:58:02,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-22 17:58:02,766 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-22 17:58:02,766 INFO L175 Difference]: Start difference. First operand has 539 places, 559 transitions, 1126 flow. Second operand 3 states and 1769 transitions. [2024-11-22 17:58:02,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 558 transitions, 1186 flow [2024-11-22 17:58:02,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 558 transitions, 1182 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 17:58:02,772 INFO L231 Difference]: Finished difference. Result has 538 places, 558 transitions, 1124 flow [2024-11-22 17:58:02,775 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1120, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=558, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1124, PETRI_PLACES=538, PETRI_TRANSITIONS=558} [2024-11-22 17:58:02,776 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -508 predicate places. [2024-11-22 17:58:02,776 INFO L471 AbstractCegarLoop]: Abstraction has has 538 places, 558 transitions, 1124 flow [2024-11-22 17:58:02,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-22 17:58:02,778 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 17:58:02,778 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 17:58:02,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 17:58:02,779 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-22 17:58:02,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 17:58:02,779 INFO L85 PathProgramCache]: Analyzing trace with hash 692019894, now seen corresponding path program 1 times [2024-11-22 17:58:02,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 17:58:02,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609854934] [2024-11-22 17:58:02,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 17:58:02,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 17:58:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 17:58:02,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 17:58:02,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 17:58:02,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609854934] [2024-11-22 17:58:02,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609854934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 17:58:02,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 17:58:02,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 17:58:02,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174881336] [2024-11-22 17:58:02,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 17:58:02,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 17:58:02,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 17:58:02,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 17:58:02,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 17:58:02,935 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 580 out of 1116 [2024-11-22 17:58:02,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 558 transitions, 1124 flow. Second operand has 3 states, 3 states have (on average 582.6666666666666) internal successors, (1748), 3 states have internal predecessors, (1748), 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) [2024-11-22 17:58:02,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 17:58:02,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 580 of 1116 [2024-11-22 17:58:02,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 17:58:05,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []