./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 37988a2d341c7c9f3fcf434d412d9132bef9023d4105c08959698de2759206e2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:16:45,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:16:45,090 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:16:45,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:16:45,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:16:45,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:16:45,118 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:16:45,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:16:45,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:16:45,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:16:45,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:16:45,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:16:45,120 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:16:45,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:16:45,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:16:45,121 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:16:45,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:16:45,125 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:16:45,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:16:45,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:16:45,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:16:45,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:16:45,127 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:16:45,127 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:16:45,127 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:16:45,128 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:16:45,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:16:45,128 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:16:45,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:16:45,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:16:45,129 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:16:45,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:16:45,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:16:45,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:16:45,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:16:45,129 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:16:45,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:16:45,130 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:16:45,130 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:16:45,132 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:16:45,132 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:16:45,132 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37988a2d341c7c9f3fcf434d412d9132bef9023d4105c08959698de2759206e2 [2024-10-11 17:16:45,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:16:45,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:16:45,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:16:45,473 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:16:45,473 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:16:45,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2024-10-11 17:16:46,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:16:47,105 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:16:47,106 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2024-10-11 17:16:47,111 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/941036ad9/138a4b2007bc4ff19657fa2dc8ad8f0c/FLAGbe824fbd6 [2024-10-11 17:16:47,459 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/941036ad9/138a4b2007bc4ff19657fa2dc8ad8f0c [2024-10-11 17:16:47,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:16:47,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:16:47,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:16:47,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:16:47,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:16:47,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:16:47" (1/1) ... [2024-10-11 17:16:47,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ec3cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:47, skipping insertion in model container [2024-10-11 17:16:47,468 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:16:47" (1/1) ... [2024-10-11 17:16:47,490 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:16:47,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:16:47,756 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:16:47,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:16:47,817 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:16:47,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:47 WrapperNode [2024-10-11 17:16:47,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:16:47,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:16:47,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:16:47,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:16:47,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:47" (1/1) ... [2024-10-11 17:16:47,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:47" (1/1) ... [2024-10-11 17:16:47,896 INFO L138 Inliner]: procedures = 24, calls = 44, calls flagged for inlining = 17, calls inlined = 29, statements flattened = 394 [2024-10-11 17:16:47,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:16:47,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:16:47,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:16:47,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:16:47,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:47" (1/1) ... [2024-10-11 17:16:47,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:47" (1/1) ... [2024-10-11 17:16:47,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:47" (1/1) ... [2024-10-11 17:16:47,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:47" (1/1) ... [2024-10-11 17:16:47,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:47" (1/1) ... [2024-10-11 17:16:47,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:47" (1/1) ... [2024-10-11 17:16:47,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:47" (1/1) ... [2024-10-11 17:16:47,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:47" (1/1) ... [2024-10-11 17:16:47,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:16:47,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:16:47,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:16:47,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:16:47,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:47" (1/1) ... [2024-10-11 17:16:48,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:16:48,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:16:48,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:16:48,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:16:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:16:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-11 17:16:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-11 17:16:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-11 17:16:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-11 17:16:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-11 17:16:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-11 17:16:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:16:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-11 17:16:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 17:16:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 17:16:48,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 17:16:48,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:16:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:16:48,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-11 17:16:48,135 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:16:48,238 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:16:48,240 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:16:48,814 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:16:48,817 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:16:49,146 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:16:49,146 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-11 17:16:49,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:16:49 BoogieIcfgContainer [2024-10-11 17:16:49,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:16:49,148 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:16:49,148 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:16:49,153 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:16:49,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:16:47" (1/3) ... [2024-10-11 17:16:49,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f56a99a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:16:49, skipping insertion in model container [2024-10-11 17:16:49,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:47" (2/3) ... [2024-10-11 17:16:49,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f56a99a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:16:49, skipping insertion in model container [2024-10-11 17:16:49,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:16:49" (3/3) ... [2024-10-11 17:16:49,156 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2024-10-11 17:16:49,168 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:16:49,169 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2024-10-11 17:16:49,169 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:16:49,235 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-11 17:16:49,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 282 places, 289 transitions, 599 flow [2024-10-11 17:16:49,348 INFO L124 PetriNetUnfolderBase]: 17/286 cut-off events. [2024-10-11 17:16:49,351 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-11 17:16:49,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 299 conditions, 286 events. 17/286 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 332 event pairs, 0 based on Foata normal form. 0/234 useless extension candidates. Maximal degree in co-relation 236. Up to 2 conditions per place. [2024-10-11 17:16:49,360 INFO L82 GeneralOperation]: Start removeDead. Operand has 282 places, 289 transitions, 599 flow [2024-10-11 17:16:49,367 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 263 places, 269 transitions, 556 flow [2024-10-11 17:16:49,377 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:16:49,384 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;@517b9851, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:16:49,384 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2024-10-11 17:16:49,389 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:16:49,390 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-10-11 17:16:49,390 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:16:49,390 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:49,391 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] [2024-10-11 17:16:49,391 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-10-11 17:16:49,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:49,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1004858534, now seen corresponding path program 1 times [2024-10-11 17:16:49,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:49,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725362658] [2024-10-11 17:16:49,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:49,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:49,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:49,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725362658] [2024-10-11 17:16:49,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725362658] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:49,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:49,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:16:49,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414721361] [2024-10-11 17:16:49,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:49,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:16:49,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:49,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:16:49,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:16:49,626 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 289 [2024-10-11 17:16:49,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 269 transitions, 556 flow. Second operand has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 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) [2024-10-11 17:16:49,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:49,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 289 [2024-10-11 17:16:49,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:49,906 INFO L124 PetriNetUnfolderBase]: 179/875 cut-off events. [2024-10-11 17:16:49,907 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-10-11 17:16:49,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1208 conditions, 875 events. 179/875 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4853 event pairs, 103 based on Foata normal form. 70/818 useless extension candidates. Maximal degree in co-relation 960. Up to 258 conditions per place. [2024-10-11 17:16:49,917 INFO L140 encePairwiseOnDemand]: 258/289 looper letters, 19 selfloop transitions, 2 changer transitions 5/240 dead transitions. [2024-10-11 17:16:49,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 240 transitions, 540 flow [2024-10-11 17:16:49,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:16:49,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:16:49,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 758 transitions. [2024-10-11 17:16:49,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8742791234140715 [2024-10-11 17:16:49,934 INFO L175 Difference]: Start difference. First operand has 263 places, 269 transitions, 556 flow. Second operand 3 states and 758 transitions. [2024-10-11 17:16:49,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 240 transitions, 540 flow [2024-10-11 17:16:49,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 240 transitions, 528 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-11 17:16:49,943 INFO L231 Difference]: Finished difference. Result has 240 places, 235 transitions, 480 flow [2024-10-11 17:16:49,945 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=289, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=240, PETRI_TRANSITIONS=235} [2024-10-11 17:16:49,949 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -23 predicate places. [2024-10-11 17:16:49,949 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 235 transitions, 480 flow [2024-10-11 17:16:49,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 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) [2024-10-11 17:16:49,950 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:49,950 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] [2024-10-11 17:16:49,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:16:49,951 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-10-11 17:16:49,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:49,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1257885457, now seen corresponding path program 1 times [2024-10-11 17:16:49,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:49,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692720837] [2024-10-11 17:16:49,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:49,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:50,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:50,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:50,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692720837] [2024-10-11 17:16:50,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692720837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:50,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:50,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:16:50,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748234684] [2024-10-11 17:16:50,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:50,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:16:50,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:50,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:16:50,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:16:50,054 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 289 [2024-10-11 17:16:50,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 235 transitions, 480 flow. Second operand has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 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) [2024-10-11 17:16:50,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:50,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 289 [2024-10-11 17:16:50,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:50,188 INFO L124 PetriNetUnfolderBase]: 160/810 cut-off events. [2024-10-11 17:16:50,189 INFO L125 PetriNetUnfolderBase]: For 17/20 co-relation queries the response was YES. [2024-10-11 17:16:50,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1071 conditions, 810 events. 160/810 cut-off events. For 17/20 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4312 event pairs, 97 based on Foata normal form. 0/713 useless extension candidates. Maximal degree in co-relation 1040. Up to 238 conditions per place. [2024-10-11 17:16:50,194 INFO L140 encePairwiseOnDemand]: 286/289 looper letters, 20 selfloop transitions, 2 changer transitions 0/234 dead transitions. [2024-10-11 17:16:50,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 234 transitions, 522 flow [2024-10-11 17:16:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:16:50,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:16:50,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 728 transitions. [2024-10-11 17:16:50,197 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.839677047289504 [2024-10-11 17:16:50,197 INFO L175 Difference]: Start difference. First operand has 240 places, 235 transitions, 480 flow. Second operand 3 states and 728 transitions. [2024-10-11 17:16:50,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 234 transitions, 522 flow [2024-10-11 17:16:50,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 234 transitions, 518 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:16:50,201 INFO L231 Difference]: Finished difference. Result has 234 places, 234 transitions, 478 flow [2024-10-11 17:16:50,201 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=289, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=478, PETRI_PLACES=234, PETRI_TRANSITIONS=234} [2024-10-11 17:16:50,202 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -29 predicate places. [2024-10-11 17:16:50,202 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 234 transitions, 478 flow [2024-10-11 17:16:50,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.33333333333334) internal successors, (709), 3 states have internal predecessors, (709), 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) [2024-10-11 17:16:50,202 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:50,202 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] [2024-10-11 17:16:50,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:16:50,203 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-10-11 17:16:50,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:50,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1972754485, now seen corresponding path program 1 times [2024-10-11 17:16:50,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:50,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187614838] [2024-10-11 17:16:50,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:50,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:50,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:50,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:50,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187614838] [2024-10-11 17:16:50,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187614838] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:50,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:50,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:16:50,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628135505] [2024-10-11 17:16:50,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:50,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:16:50,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:50,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:16:50,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:16:50,248 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 289 [2024-10-11 17:16:50,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 234 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 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) [2024-10-11 17:16:50,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:50,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 289 [2024-10-11 17:16:50,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:50,380 INFO L124 PetriNetUnfolderBase]: 229/941 cut-off events. [2024-10-11 17:16:50,380 INFO L125 PetriNetUnfolderBase]: For 24/42 co-relation queries the response was YES. [2024-10-11 17:16:50,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1308 conditions, 941 events. 229/941 cut-off events. For 24/42 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5445 event pairs, 148 based on Foata normal form. 0/835 useless extension candidates. Maximal degree in co-relation 1269. Up to 340 conditions per place. [2024-10-11 17:16:50,385 INFO L140 encePairwiseOnDemand]: 283/289 looper letters, 22 selfloop transitions, 1 changer transitions 0/229 dead transitions. [2024-10-11 17:16:50,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 229 transitions, 514 flow [2024-10-11 17:16:50,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:16:50,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:16:50,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 721 transitions. [2024-10-11 17:16:50,386 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.831603229527105 [2024-10-11 17:16:50,387 INFO L175 Difference]: Start difference. First operand has 234 places, 234 transitions, 478 flow. Second operand 3 states and 721 transitions. [2024-10-11 17:16:50,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 229 transitions, 514 flow [2024-10-11 17:16:50,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 229 transitions, 510 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:16:50,390 INFO L231 Difference]: Finished difference. Result has 229 places, 229 transitions, 466 flow [2024-10-11 17:16:50,390 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=289, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=466, PETRI_PLACES=229, PETRI_TRANSITIONS=229} [2024-10-11 17:16:50,391 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -34 predicate places. [2024-10-11 17:16:50,391 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 229 transitions, 466 flow [2024-10-11 17:16:50,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 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) [2024-10-11 17:16:50,391 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:50,392 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] [2024-10-11 17:16:50,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:16:50,392 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-10-11 17:16:50,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:50,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1850532830, now seen corresponding path program 1 times [2024-10-11 17:16:50,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:50,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004807535] [2024-10-11 17:16:50,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:50,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:50,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:50,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:50,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004807535] [2024-10-11 17:16:50,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004807535] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:50,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:50,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:16:50,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512329991] [2024-10-11 17:16:50,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:50,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:16:50,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:50,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:16:50,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:16:51,078 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 289 [2024-10-11 17:16:51,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 229 transitions, 466 flow. Second operand has 6 states, 6 states have (on average 220.5) internal successors, (1323), 6 states have internal predecessors, (1323), 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) [2024-10-11 17:16:51,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:51,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 289 [2024-10-11 17:16:51,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:51,333 INFO L124 PetriNetUnfolderBase]: 113/665 cut-off events. [2024-10-11 17:16:51,333 INFO L125 PetriNetUnfolderBase]: For 22/25 co-relation queries the response was YES. [2024-10-11 17:16:51,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 864 conditions, 665 events. 113/665 cut-off events. For 22/25 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3041 event pairs, 56 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 826. Up to 173 conditions per place. [2024-10-11 17:16:51,337 INFO L140 encePairwiseOnDemand]: 277/289 looper letters, 28 selfloop transitions, 10 changer transitions 0/227 dead transitions. [2024-10-11 17:16:51,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 227 transitions, 538 flow [2024-10-11 17:16:51,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:16:51,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:16:51,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1354 transitions. [2024-10-11 17:16:51,347 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7808535178777394 [2024-10-11 17:16:51,347 INFO L175 Difference]: Start difference. First operand has 229 places, 229 transitions, 466 flow. Second operand 6 states and 1354 transitions. [2024-10-11 17:16:51,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 227 transitions, 538 flow [2024-10-11 17:16:51,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 227 transitions, 537 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:16:51,350 INFO L231 Difference]: Finished difference. Result has 231 places, 227 transitions, 481 flow [2024-10-11 17:16:51,354 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=289, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=481, PETRI_PLACES=231, PETRI_TRANSITIONS=227} [2024-10-11 17:16:51,355 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -32 predicate places. [2024-10-11 17:16:51,356 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 227 transitions, 481 flow [2024-10-11 17:16:51,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 220.5) internal successors, (1323), 6 states have internal predecessors, (1323), 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) [2024-10-11 17:16:51,357 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:51,357 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] [2024-10-11 17:16:51,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:16:51,357 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-10-11 17:16:51,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:51,362 INFO L85 PathProgramCache]: Analyzing trace with hash -178913502, now seen corresponding path program 1 times [2024-10-11 17:16:51,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:51,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766277731] [2024-10-11 17:16:51,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:51,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:51,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:51,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:51,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766277731] [2024-10-11 17:16:51,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766277731] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:51,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:51,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:16:51,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530439106] [2024-10-11 17:16:51,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:51,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:16:51,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:51,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:16:51,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:16:51,431 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 289 [2024-10-11 17:16:51,432 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 227 transitions, 481 flow. Second operand has 3 states, 3 states have (on average 241.33333333333334) internal successors, (724), 3 states have internal predecessors, (724), 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) [2024-10-11 17:16:51,432 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:51,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 289 [2024-10-11 17:16:51,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:51,619 INFO L124 PetriNetUnfolderBase]: 113/664 cut-off events. [2024-10-11 17:16:51,619 INFO L125 PetriNetUnfolderBase]: For 22/25 co-relation queries the response was YES. [2024-10-11 17:16:51,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 852 conditions, 664 events. 113/664 cut-off events. For 22/25 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3047 event pairs, 56 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 819. Up to 160 conditions per place. [2024-10-11 17:16:51,627 INFO L140 encePairwiseOnDemand]: 286/289 looper letters, 15 selfloop transitions, 2 changer transitions 0/226 dead transitions. [2024-10-11 17:16:51,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 226 transitions, 513 flow [2024-10-11 17:16:51,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:16:51,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:16:51,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 738 transitions. [2024-10-11 17:16:51,629 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8512110726643599 [2024-10-11 17:16:51,632 INFO L175 Difference]: Start difference. First operand has 231 places, 227 transitions, 481 flow. Second operand 3 states and 738 transitions. [2024-10-11 17:16:51,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 226 transitions, 513 flow [2024-10-11 17:16:51,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 226 transitions, 493 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:16:51,635 INFO L231 Difference]: Finished difference. Result has 227 places, 226 transitions, 463 flow [2024-10-11 17:16:51,639 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=289, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=463, PETRI_PLACES=227, PETRI_TRANSITIONS=226} [2024-10-11 17:16:51,640 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -36 predicate places. [2024-10-11 17:16:51,640 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 226 transitions, 463 flow [2024-10-11 17:16:51,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 241.33333333333334) internal successors, (724), 3 states have internal predecessors, (724), 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) [2024-10-11 17:16:51,641 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:51,641 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] [2024-10-11 17:16:51,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:16:51,641 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-10-11 17:16:51,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:51,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1549047781, now seen corresponding path program 1 times [2024-10-11 17:16:51,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:51,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288515756] [2024-10-11 17:16:51,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:51,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:51,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:51,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288515756] [2024-10-11 17:16:51,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288515756] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:51,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:51,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:16:51,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814207575] [2024-10-11 17:16:51,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:51,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:16:51,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:51,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:16:51,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:16:51,730 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 289 [2024-10-11 17:16:51,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 226 transitions, 463 flow. Second operand has 3 states, 3 states have (on average 241.33333333333334) internal successors, (724), 3 states have internal predecessors, (724), 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) [2024-10-11 17:16:51,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:51,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 289 [2024-10-11 17:16:51,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:51,912 INFO L124 PetriNetUnfolderBase]: 113/663 cut-off events. [2024-10-11 17:16:51,916 INFO L125 PetriNetUnfolderBase]: For 22/25 co-relation queries the response was YES. [2024-10-11 17:16:51,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 843 conditions, 663 events. 113/663 cut-off events. For 22/25 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3067 event pairs, 56 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 804. Up to 160 conditions per place. [2024-10-11 17:16:51,919 INFO L140 encePairwiseOnDemand]: 286/289 looper letters, 15 selfloop transitions, 2 changer transitions 0/225 dead transitions. [2024-10-11 17:16:51,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 225 transitions, 495 flow [2024-10-11 17:16:51,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:16:51,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:16:51,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 738 transitions. [2024-10-11 17:16:51,924 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8512110726643599 [2024-10-11 17:16:51,924 INFO L175 Difference]: Start difference. First operand has 227 places, 226 transitions, 463 flow. Second operand 3 states and 738 transitions. [2024-10-11 17:16:51,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 225 transitions, 495 flow [2024-10-11 17:16:51,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 225 transitions, 491 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:16:51,927 INFO L231 Difference]: Finished difference. Result has 226 places, 225 transitions, 461 flow [2024-10-11 17:16:51,931 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=289, PETRI_DIFFERENCE_MINUEND_FLOW=457, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=461, PETRI_PLACES=226, PETRI_TRANSITIONS=225} [2024-10-11 17:16:51,932 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -37 predicate places. [2024-10-11 17:16:51,932 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 225 transitions, 461 flow [2024-10-11 17:16:51,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 241.33333333333334) internal successors, (724), 3 states have internal predecessors, (724), 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) [2024-10-11 17:16:51,933 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:51,933 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] [2024-10-11 17:16:51,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 17:16:51,933 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-10-11 17:16:51,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:51,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1827910954, now seen corresponding path program 1 times [2024-10-11 17:16:51,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:51,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503138581] [2024-10-11 17:16:51,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:51,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:51,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:51,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:51,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503138581] [2024-10-11 17:16:51,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503138581] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:51,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:51,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:16:51,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711897912] [2024-10-11 17:16:51,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:51,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:16:51,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:51,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:16:51,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:16:52,015 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 289 [2024-10-11 17:16:52,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 225 transitions, 461 flow. Second operand has 3 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 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) [2024-10-11 17:16:52,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:52,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 289 [2024-10-11 17:16:52,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:52,213 INFO L124 PetriNetUnfolderBase]: 267/935 cut-off events. [2024-10-11 17:16:52,216 INFO L125 PetriNetUnfolderBase]: For 56/56 co-relation queries the response was YES. [2024-10-11 17:16:52,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1330 conditions, 935 events. 267/935 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 5229 event pairs, 164 based on Foata normal form. 0/857 useless extension candidates. Maximal degree in co-relation 1291. Up to 369 conditions per place. [2024-10-11 17:16:52,226 INFO L140 encePairwiseOnDemand]: 284/289 looper letters, 20 selfloop transitions, 1 changer transitions 0/221 dead transitions. [2024-10-11 17:16:52,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 221 transitions, 495 flow [2024-10-11 17:16:52,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:16:52,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:16:52,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 727 transitions. [2024-10-11 17:16:52,228 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8385236447520185 [2024-10-11 17:16:52,228 INFO L175 Difference]: Start difference. First operand has 226 places, 225 transitions, 461 flow. Second operand 3 states and 727 transitions. [2024-10-11 17:16:52,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 221 transitions, 495 flow [2024-10-11 17:16:52,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 221 transitions, 491 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:16:52,235 INFO L231 Difference]: Finished difference. Result has 222 places, 221 transitions, 451 flow [2024-10-11 17:16:52,235 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=289, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=451, PETRI_PLACES=222, PETRI_TRANSITIONS=221} [2024-10-11 17:16:52,236 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -41 predicate places. [2024-10-11 17:16:52,236 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 221 transitions, 451 flow [2024-10-11 17:16:52,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 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) [2024-10-11 17:16:52,240 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:52,240 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] [2024-10-11 17:16:52,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 17:16:52,240 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-10-11 17:16:52,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:52,241 INFO L85 PathProgramCache]: Analyzing trace with hash -995525560, now seen corresponding path program 1 times [2024-10-11 17:16:52,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:52,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396006065] [2024-10-11 17:16:52,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:52,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:52,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:52,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:52,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396006065] [2024-10-11 17:16:52,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396006065] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:52,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:52,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:16:52,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838645511] [2024-10-11 17:16:52,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:52,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:16:52,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:52,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:16:52,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:16:52,324 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 289 [2024-10-11 17:16:52,325 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 221 transitions, 451 flow. Second operand has 3 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 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) [2024-10-11 17:16:52,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:52,325 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 289 [2024-10-11 17:16:52,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:52,406 INFO L124 PetriNetUnfolderBase]: 110/572 cut-off events. [2024-10-11 17:16:52,407 INFO L125 PetriNetUnfolderBase]: For 22/25 co-relation queries the response was YES. [2024-10-11 17:16:52,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 572 events. 110/572 cut-off events. For 22/25 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2264 event pairs, 38 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 708. Up to 108 conditions per place. [2024-10-11 17:16:52,409 INFO L140 encePairwiseOnDemand]: 285/289 looper letters, 17 selfloop transitions, 3 changer transitions 0/226 dead transitions. [2024-10-11 17:16:52,410 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 226 transitions, 503 flow [2024-10-11 17:16:52,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:16:52,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:16:52,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2024-10-11 17:16:52,411 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8685121107266436 [2024-10-11 17:16:52,411 INFO L175 Difference]: Start difference. First operand has 222 places, 221 transitions, 451 flow. Second operand 3 states and 753 transitions. [2024-10-11 17:16:52,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 226 transitions, 503 flow [2024-10-11 17:16:52,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 226 transitions, 502 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:16:52,414 INFO L231 Difference]: Finished difference. Result has 222 places, 220 transitions, 454 flow [2024-10-11 17:16:52,414 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=289, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=222, PETRI_TRANSITIONS=220} [2024-10-11 17:16:52,415 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -41 predicate places. [2024-10-11 17:16:52,415 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 220 transitions, 454 flow [2024-10-11 17:16:52,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 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) [2024-10-11 17:16:52,416 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:52,416 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] [2024-10-11 17:16:52,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 17:16:52,416 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-10-11 17:16:52,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:52,417 INFO L85 PathProgramCache]: Analyzing trace with hash -62882294, now seen corresponding path program 1 times [2024-10-11 17:16:52,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:52,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130928735] [2024-10-11 17:16:52,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:52,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:52,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:52,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:52,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130928735] [2024-10-11 17:16:52,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130928735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:52,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:52,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:16:52,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218428210] [2024-10-11 17:16:52,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:52,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:16:52,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:52,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:16:52,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:16:52,482 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 289 [2024-10-11 17:16:52,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 220 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 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) [2024-10-11 17:16:52,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:52,483 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 289 [2024-10-11 17:16:52,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:52,583 INFO L124 PetriNetUnfolderBase]: 111/564 cut-off events. [2024-10-11 17:16:52,583 INFO L125 PetriNetUnfolderBase]: For 64/65 co-relation queries the response was YES. [2024-10-11 17:16:52,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 791 conditions, 564 events. 111/564 cut-off events. For 64/65 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2189 event pairs, 25 based on Foata normal form. 1/534 useless extension candidates. Maximal degree in co-relation 753. Up to 91 conditions per place. [2024-10-11 17:16:52,585 INFO L140 encePairwiseOnDemand]: 283/289 looper letters, 0 selfloop transitions, 0 changer transitions 228/228 dead transitions. [2024-10-11 17:16:52,585 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 228 transitions, 521 flow [2024-10-11 17:16:52,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:16:52,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:16:52,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 755 transitions. [2024-10-11 17:16:52,587 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8708189158016147 [2024-10-11 17:16:52,587 INFO L175 Difference]: Start difference. First operand has 222 places, 220 transitions, 454 flow. Second operand 3 states and 755 transitions. [2024-10-11 17:16:52,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 228 transitions, 521 flow [2024-10-11 17:16:52,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 228 transitions, 511 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:16:52,590 INFO L231 Difference]: Finished difference. Result has 221 places, 0 transitions, 0 flow [2024-10-11 17:16:52,590 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=289, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=221, PETRI_TRANSITIONS=0} [2024-10-11 17:16:52,591 INFO L277 CegarLoopForPetriNet]: 263 programPoint places, -42 predicate places. [2024-10-11 17:16:52,591 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 0 transitions, 0 flow [2024-10-11 17:16:52,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.66666666666666) internal successors, (740), 3 states have internal predecessors, (740), 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) [2024-10-11 17:16:52,594 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2024-10-11 17:16:52,594 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2024-10-11 17:16:52,594 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2024-10-11 17:16:52,594 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2024-10-11 17:16:52,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2024-10-11 17:16:52,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2024-10-11 17:16:52,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2024-10-11 17:16:52,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2024-10-11 17:16:52,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2024-10-11 17:16:52,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2024-10-11 17:16:52,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2024-10-11 17:16:52,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2024-10-11 17:16:52,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2024-10-11 17:16:52,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2024-10-11 17:16:52,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2024-10-11 17:16:52,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2024-10-11 17:16:52,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2024-10-11 17:16:52,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2024-10-11 17:16:52,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2024-10-11 17:16:52,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2024-10-11 17:16:52,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2024-10-11 17:16:52,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2024-10-11 17:16:52,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2024-10-11 17:16:52,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2024-10-11 17:16:52,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2024-10-11 17:16:52,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2024-10-11 17:16:52,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2024-10-11 17:16:52,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2024-10-11 17:16:52,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2024-10-11 17:16:52,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2024-10-11 17:16:52,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2024-10-11 17:16:52,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2024-10-11 17:16:52,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2024-10-11 17:16:52,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2024-10-11 17:16:52,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2024-10-11 17:16:52,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 60 remaining) [2024-10-11 17:16:52,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2024-10-11 17:16:52,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2024-10-11 17:16:52,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2024-10-11 17:16:52,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2024-10-11 17:16:52,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2024-10-11 17:16:52,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2024-10-11 17:16:52,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2024-10-11 17:16:52,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2024-10-11 17:16:52,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2024-10-11 17:16:52,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2024-10-11 17:16:52,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2024-10-11 17:16:52,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2024-10-11 17:16:52,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2024-10-11 17:16:52,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2024-10-11 17:16:52,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2024-10-11 17:16:52,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2024-10-11 17:16:52,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2024-10-11 17:16:52,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2024-10-11 17:16:52,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2024-10-11 17:16:52,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2024-10-11 17:16:52,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2024-10-11 17:16:52,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2024-10-11 17:16:52,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2024-10-11 17:16:52,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2024-10-11 17:16:52,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 17:16:52,604 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:16:52,608 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 17:16:52,608 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 17:16:52,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:16:52 BasicIcfg [2024-10-11 17:16:52,613 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 17:16:52,613 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 17:16:52,613 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 17:16:52,613 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 17:16:52,614 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:16:49" (3/4) ... [2024-10-11 17:16:52,615 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 17:16:52,617 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-11 17:16:52,617 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-11 17:16:52,617 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-11 17:16:52,625 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-10-11 17:16:52,625 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 17:16:52,626 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 17:16:52,626 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 17:16:52,749 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 17:16:52,749 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 17:16:52,750 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 17:16:52,750 INFO L158 Benchmark]: Toolchain (without parser) took 5288.41ms. Allocated memory was 184.5MB in the beginning and 398.5MB in the end (delta: 213.9MB). Free memory was 115.3MB in the beginning and 290.2MB in the end (delta: -174.9MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-10-11 17:16:52,750 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:16:52,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.81ms. Allocated memory is still 184.5MB. Free memory was 115.2MB in the beginning and 149.2MB in the end (delta: -34.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-10-11 17:16:52,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.50ms. Allocated memory is still 184.5MB. Free memory was 149.2MB in the beginning and 145.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 17:16:52,754 INFO L158 Benchmark]: Boogie Preprocessor took 94.33ms. Allocated memory is still 184.5MB. Free memory was 145.0MB in the beginning and 142.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:16:52,754 INFO L158 Benchmark]: RCFGBuilder took 1150.85ms. Allocated memory is still 184.5MB. Free memory was 142.0MB in the beginning and 127.7MB in the end (delta: 14.4MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2024-10-11 17:16:52,755 INFO L158 Benchmark]: TraceAbstraction took 3464.73ms. Allocated memory was 184.5MB in the beginning and 398.5MB in the end (delta: 213.9MB). Free memory was 126.6MB in the beginning and 297.5MB in the end (delta: -170.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-10-11 17:16:52,755 INFO L158 Benchmark]: Witness Printer took 136.70ms. Allocated memory is still 398.5MB. Free memory was 297.5MB in the beginning and 290.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 17:16:52,756 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.81ms. Allocated memory is still 184.5MB. Free memory was 115.2MB in the beginning and 149.2MB in the end (delta: -34.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.50ms. Allocated memory is still 184.5MB. Free memory was 149.2MB in the beginning and 145.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.33ms. Allocated memory is still 184.5MB. Free memory was 145.0MB in the beginning and 142.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1150.85ms. Allocated memory is still 184.5MB. Free memory was 142.0MB in the beginning and 127.7MB in the end (delta: 14.4MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3464.73ms. Allocated memory was 184.5MB in the beginning and 398.5MB in the end (delta: 213.9MB). Free memory was 126.6MB in the beginning and 297.5MB in the end (delta: -170.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 136.70ms. Allocated memory is still 398.5MB. Free memory was 297.5MB in the beginning and 290.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 345 locations, 60 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 262 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 457 IncrementalHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 80 mSDtfsCounter, 457 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=556occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 745 NumberOfCodeBlocks, 745 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 736 ConstructedInterpolants, 0 QuantifiedInterpolants, 867 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 17:16:52,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE