./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-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 91d7b70e505e7aef19ce206c76dac3b8838d1608e22286f0e4e4335d9f63c057 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:14:34,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:14:34,922 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:14:34,930 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:14:34,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:14:34,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:14:34,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:14:34,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:14:34,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:14:34,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:14:34,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:14:34,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:14:34,957 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:14:34,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:14:34,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:14:34,958 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:14:34,958 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:14:34,959 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:14:34,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:14:34,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:14:34,960 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:14:34,960 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:14:34,961 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:14:34,961 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:14:34,961 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:14:34,962 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:14:34,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:14:34,962 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:14:34,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:14:34,963 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:14:34,964 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:14:34,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:14:34,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:14:34,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:14:34,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:14:34,965 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:14:34,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:14:34,966 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:14:34,967 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:14:34,967 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:14:34,967 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:14:34,968 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91d7b70e505e7aef19ce206c76dac3b8838d1608e22286f0e4e4335d9f63c057 [2024-10-14 17:14:35,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:14:35,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:14:35,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:14:35,263 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:14:35,264 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:14:35,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2024-10-14 17:14:36,624 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:14:36,789 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:14:36,790 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2024-10-14 17:14:36,799 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de3385d8c/4aff73cd5b0f4997916fc05d80a637fd/FLAG165476261 [2024-10-14 17:14:36,810 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de3385d8c/4aff73cd5b0f4997916fc05d80a637fd [2024-10-14 17:14:36,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:14:36,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:14:36,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:14:36,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:14:36,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:14:36,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:14:36" (1/1) ... [2024-10-14 17:14:36,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@347ff57d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:36, skipping insertion in model container [2024-10-14 17:14:36,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:14:36" (1/1) ... [2024-10-14 17:14:36,842 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:14:37,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:14:37,011 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:14:37,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:14:37,046 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:14:37,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:37 WrapperNode [2024-10-14 17:14:37,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:14:37,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:14:37,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:14:37,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:14:37,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:37" (1/1) ... [2024-10-14 17:14:37,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:37" (1/1) ... [2024-10-14 17:14:37,092 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 278 [2024-10-14 17:14:37,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:14:37,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:14:37,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:14:37,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:14:37,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:37" (1/1) ... [2024-10-14 17:14:37,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:37" (1/1) ... [2024-10-14 17:14:37,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:37" (1/1) ... [2024-10-14 17:14:37,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:37" (1/1) ... [2024-10-14 17:14:37,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:37" (1/1) ... [2024-10-14 17:14:37,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:37" (1/1) ... [2024-10-14 17:14:37,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:37" (1/1) ... [2024-10-14 17:14:37,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:37" (1/1) ... [2024-10-14 17:14:37,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:14:37,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:14:37,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:14:37,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:14:37,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:37" (1/1) ... [2024-10-14 17:14:37,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:14:37,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:14:37,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 17:14:37,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 17:14:37,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:14:37,264 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-14 17:14:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-14 17:14:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-14 17:14:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-14 17:14:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-14 17:14:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-14 17:14:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:14:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-14 17:14:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 17:14:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 17:14:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 17:14:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:14:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:14:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-14 17:14:37,268 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:14:37,372 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:14:37,374 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:14:37,671 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:14:37,672 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:14:37,881 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:14:37,881 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-14 17:14:37,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:14:37 BoogieIcfgContainer [2024-10-14 17:14:37,884 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:14:37,886 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:14:37,886 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:14:37,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:14:37,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:14:36" (1/3) ... [2024-10-14 17:14:37,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f975aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:14:37, skipping insertion in model container [2024-10-14 17:14:37,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:14:37" (2/3) ... [2024-10-14 17:14:37,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f975aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:14:37, skipping insertion in model container [2024-10-14 17:14:37,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:14:37" (3/3) ... [2024-10-14 17:14:37,893 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2024-10-14 17:14:37,907 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:14:37,909 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-10-14 17:14:37,909 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:14:37,986 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-14 17:14:38,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 222 places, 225 transitions, 471 flow [2024-10-14 17:14:38,092 INFO L124 PetriNetUnfolderBase]: 13/222 cut-off events. [2024-10-14 17:14:38,093 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-14 17:14:38,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 222 events. 13/222 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 266 event pairs, 0 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 174. Up to 2 conditions per place. [2024-10-14 17:14:38,101 INFO L82 GeneralOperation]: Start removeDead. Operand has 222 places, 225 transitions, 471 flow [2024-10-14 17:14:38,107 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 203 places, 205 transitions, 428 flow [2024-10-14 17:14:38,115 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:14:38,120 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;@1cfcb84f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:14:38,120 INFO L334 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2024-10-14 17:14:38,125 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:14:38,125 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-10-14 17:14:38,126 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:14:38,126 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:38,126 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] [2024-10-14 17:14:38,127 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-14 17:14:38,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:38,131 INFO L85 PathProgramCache]: Analyzing trace with hash 525655388, now seen corresponding path program 1 times [2024-10-14 17:14:38,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:38,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089906739] [2024-10-14 17:14:38,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:38,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:38,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:38,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089906739] [2024-10-14 17:14:38,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089906739] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:38,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:38,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:38,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847262957] [2024-10-14 17:14:38,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:38,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:38,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:38,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:38,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:38,355 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 225 [2024-10-14 17:14:38,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 205 transitions, 428 flow. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 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) [2024-10-14 17:14:38,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:38,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 225 [2024-10-14 17:14:38,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:38,531 INFO L124 PetriNetUnfolderBase]: 178/820 cut-off events. [2024-10-14 17:14:38,531 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-10-14 17:14:38,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1153 conditions, 820 events. 178/820 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4812 event pairs, 103 based on Foata normal form. 67/766 useless extension candidates. Maximal degree in co-relation 960. Up to 258 conditions per place. [2024-10-14 17:14:38,542 INFO L140 encePairwiseOnDemand]: 203/225 looper letters, 19 selfloop transitions, 2 changer transitions 3/185 dead transitions. [2024-10-14 17:14:38,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 185 transitions, 430 flow [2024-10-14 17:14:38,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:38,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:38,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 584 transitions. [2024-10-14 17:14:38,557 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8651851851851852 [2024-10-14 17:14:38,559 INFO L175 Difference]: Start difference. First operand has 203 places, 205 transitions, 428 flow. Second operand 3 states and 584 transitions. [2024-10-14 17:14:38,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 185 transitions, 430 flow [2024-10-14 17:14:38,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 185 transitions, 418 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-14 17:14:38,567 INFO L231 Difference]: Finished difference. Result has 186 places, 182 transitions, 374 flow [2024-10-14 17:14:38,568 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=374, PETRI_PLACES=186, PETRI_TRANSITIONS=182} [2024-10-14 17:14:38,572 INFO L277 CegarLoopForPetriNet]: 203 programPoint places, -17 predicate places. [2024-10-14 17:14:38,572 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 182 transitions, 374 flow [2024-10-14 17:14:38,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 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) [2024-10-14 17:14:38,573 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:38,573 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] [2024-10-14 17:14:38,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:14:38,573 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-14 17:14:38,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:38,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1984868214, now seen corresponding path program 1 times [2024-10-14 17:14:38,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:38,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753487133] [2024-10-14 17:14:38,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:38,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:38,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:38,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:38,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753487133] [2024-10-14 17:14:38,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753487133] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:38,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:38,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:38,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073410428] [2024-10-14 17:14:38,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:38,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:38,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:38,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:38,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:38,665 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 225 [2024-10-14 17:14:38,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 182 transitions, 374 flow. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 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) [2024-10-14 17:14:38,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:38,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 225 [2024-10-14 17:14:38,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:38,798 INFO L124 PetriNetUnfolderBase]: 159/757 cut-off events. [2024-10-14 17:14:38,798 INFO L125 PetriNetUnfolderBase]: For 17/20 co-relation queries the response was YES. [2024-10-14 17:14:38,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1017 conditions, 757 events. 159/757 cut-off events. For 17/20 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4239 event pairs, 97 based on Foata normal form. 0/664 useless extension candidates. Maximal degree in co-relation 987. Up to 237 conditions per place. [2024-10-14 17:14:38,802 INFO L140 encePairwiseOnDemand]: 222/225 looper letters, 19 selfloop transitions, 2 changer transitions 0/181 dead transitions. [2024-10-14 17:14:38,803 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 181 transitions, 414 flow [2024-10-14 17:14:38,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:38,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:38,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 565 transitions. [2024-10-14 17:14:38,807 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.837037037037037 [2024-10-14 17:14:38,807 INFO L175 Difference]: Start difference. First operand has 186 places, 182 transitions, 374 flow. Second operand 3 states and 565 transitions. [2024-10-14 17:14:38,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 181 transitions, 414 flow [2024-10-14 17:14:38,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 181 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:14:38,812 INFO L231 Difference]: Finished difference. Result has 182 places, 181 transitions, 372 flow [2024-10-14 17:14:38,812 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=372, PETRI_PLACES=182, PETRI_TRANSITIONS=181} [2024-10-14 17:14:38,813 INFO L277 CegarLoopForPetriNet]: 203 programPoint places, -21 predicate places. [2024-10-14 17:14:38,813 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 181 transitions, 372 flow [2024-10-14 17:14:38,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 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) [2024-10-14 17:14:38,814 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:38,814 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] [2024-10-14 17:14:38,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:14:38,815 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-14 17:14:38,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:38,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1184726623, now seen corresponding path program 1 times [2024-10-14 17:14:38,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:38,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011292358] [2024-10-14 17:14:38,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:38,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:38,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:38,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:38,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011292358] [2024-10-14 17:14:38,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011292358] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:38,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:38,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:38,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865529521] [2024-10-14 17:14:38,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:38,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:38,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:38,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:38,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:38,890 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 225 [2024-10-14 17:14:38,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 181 transitions, 372 flow. Second operand has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 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) [2024-10-14 17:14:38,892 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:38,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 225 [2024-10-14 17:14:38,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:39,011 INFO L124 PetriNetUnfolderBase]: 228/889 cut-off events. [2024-10-14 17:14:39,011 INFO L125 PetriNetUnfolderBase]: For 24/42 co-relation queries the response was YES. [2024-10-14 17:14:39,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1254 conditions, 889 events. 228/889 cut-off events. For 24/42 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5380 event pairs, 148 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 1216. Up to 338 conditions per place. [2024-10-14 17:14:39,017 INFO L140 encePairwiseOnDemand]: 220/225 looper letters, 20 selfloop transitions, 1 changer transitions 0/177 dead transitions. [2024-10-14 17:14:39,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 177 transitions, 406 flow [2024-10-14 17:14:39,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:39,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:39,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2024-10-14 17:14:39,019 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8325925925925926 [2024-10-14 17:14:39,019 INFO L175 Difference]: Start difference. First operand has 182 places, 181 transitions, 372 flow. Second operand 3 states and 562 transitions. [2024-10-14 17:14:39,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 177 transitions, 406 flow [2024-10-14 17:14:39,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 177 transitions, 402 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:14:39,023 INFO L231 Difference]: Finished difference. Result has 178 places, 177 transitions, 362 flow [2024-10-14 17:14:39,024 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=362, PETRI_PLACES=178, PETRI_TRANSITIONS=177} [2024-10-14 17:14:39,024 INFO L277 CegarLoopForPetriNet]: 203 programPoint places, -25 predicate places. [2024-10-14 17:14:39,026 INFO L471 AbstractCegarLoop]: Abstraction has has 178 places, 177 transitions, 362 flow [2024-10-14 17:14:39,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 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) [2024-10-14 17:14:39,027 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:39,027 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] [2024-10-14 17:14:39,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:14:39,027 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-14 17:14:39,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:39,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1293608677, now seen corresponding path program 1 times [2024-10-14 17:14:39,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:39,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879478956] [2024-10-14 17:14:39,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:39,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:39,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:39,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:39,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879478956] [2024-10-14 17:14:39,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879478956] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:39,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:39,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:14:39,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019288900] [2024-10-14 17:14:39,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:39,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:14:39,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:39,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:14:39,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:14:39,535 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 225 [2024-10-14 17:14:39,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 177 transitions, 362 flow. Second operand has 6 states, 6 states have (on average 179.5) internal successors, (1077), 6 states have internal predecessors, (1077), 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) [2024-10-14 17:14:39,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:39,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 225 [2024-10-14 17:14:39,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:39,618 INFO L124 PetriNetUnfolderBase]: 112/614 cut-off events. [2024-10-14 17:14:39,618 INFO L125 PetriNetUnfolderBase]: For 22/25 co-relation queries the response was YES. [2024-10-14 17:14:39,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 800 conditions, 614 events. 112/614 cut-off events. For 22/25 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3025 event pairs, 56 based on Foata normal form. 0/553 useless extension candidates. Maximal degree in co-relation 763. Up to 165 conditions per place. [2024-10-14 17:14:39,622 INFO L140 encePairwiseOnDemand]: 219/225 looper letters, 20 selfloop transitions, 5 changer transitions 0/176 dead transitions. [2024-10-14 17:14:39,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 176 transitions, 410 flow [2024-10-14 17:14:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:14:39,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:14:39,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1094 transitions. [2024-10-14 17:14:39,624 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8103703703703704 [2024-10-14 17:14:39,624 INFO L175 Difference]: Start difference. First operand has 178 places, 177 transitions, 362 flow. Second operand 6 states and 1094 transitions. [2024-10-14 17:14:39,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 176 transitions, 410 flow [2024-10-14 17:14:39,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 176 transitions, 409 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:14:39,627 INFO L231 Difference]: Finished difference. Result has 181 places, 176 transitions, 369 flow [2024-10-14 17:14:39,628 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=369, PETRI_PLACES=181, PETRI_TRANSITIONS=176} [2024-10-14 17:14:39,629 INFO L277 CegarLoopForPetriNet]: 203 programPoint places, -22 predicate places. [2024-10-14 17:14:39,629 INFO L471 AbstractCegarLoop]: Abstraction has has 181 places, 176 transitions, 369 flow [2024-10-14 17:14:39,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 179.5) internal successors, (1077), 6 states have internal predecessors, (1077), 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) [2024-10-14 17:14:39,630 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:39,630 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] [2024-10-14 17:14:39,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:14:39,631 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-14 17:14:39,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:39,632 INFO L85 PathProgramCache]: Analyzing trace with hash 820820231, now seen corresponding path program 1 times [2024-10-14 17:14:39,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:39,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503368833] [2024-10-14 17:14:39,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:39,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:39,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:39,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:39,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503368833] [2024-10-14 17:14:39,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503368833] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:39,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:39,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:39,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894868514] [2024-10-14 17:14:39,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:39,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:39,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:39,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:39,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:39,675 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 225 [2024-10-14 17:14:39,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 176 transitions, 369 flow. Second operand has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 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) [2024-10-14 17:14:39,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:39,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 225 [2024-10-14 17:14:39,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:39,761 INFO L124 PetriNetUnfolderBase]: 112/613 cut-off events. [2024-10-14 17:14:39,761 INFO L125 PetriNetUnfolderBase]: For 22/25 co-relation queries the response was YES. [2024-10-14 17:14:39,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 796 conditions, 613 events. 112/613 cut-off events. For 22/25 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3012 event pairs, 56 based on Foata normal form. 0/553 useless extension candidates. Maximal degree in co-relation 778. Up to 160 conditions per place. [2024-10-14 17:14:39,764 INFO L140 encePairwiseOnDemand]: 222/225 looper letters, 15 selfloop transitions, 2 changer transitions 0/175 dead transitions. [2024-10-14 17:14:39,764 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 175 transitions, 401 flow [2024-10-14 17:14:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:39,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:39,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 573 transitions. [2024-10-14 17:14:39,766 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8488888888888889 [2024-10-14 17:14:39,766 INFO L175 Difference]: Start difference. First operand has 181 places, 176 transitions, 369 flow. Second operand 3 states and 573 transitions. [2024-10-14 17:14:39,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 175 transitions, 401 flow [2024-10-14 17:14:39,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 175 transitions, 391 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:14:39,768 INFO L231 Difference]: Finished difference. Result has 177 places, 175 transitions, 361 flow [2024-10-14 17:14:39,769 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=357, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=361, PETRI_PLACES=177, PETRI_TRANSITIONS=175} [2024-10-14 17:14:39,771 INFO L277 CegarLoopForPetriNet]: 203 programPoint places, -26 predicate places. [2024-10-14 17:14:39,771 INFO L471 AbstractCegarLoop]: Abstraction has has 177 places, 175 transitions, 361 flow [2024-10-14 17:14:39,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 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) [2024-10-14 17:14:39,772 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:39,772 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] [2024-10-14 17:14:39,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:14:39,773 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-14 17:14:39,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:39,776 INFO L85 PathProgramCache]: Analyzing trace with hash 194096605, now seen corresponding path program 1 times [2024-10-14 17:14:39,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:39,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786742482] [2024-10-14 17:14:39,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:39,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:39,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:39,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:39,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786742482] [2024-10-14 17:14:39,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786742482] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:39,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:39,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:39,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641857516] [2024-10-14 17:14:39,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:39,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:39,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:39,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:39,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:39,829 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 225 [2024-10-14 17:14:39,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 175 transitions, 361 flow. Second operand has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 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) [2024-10-14 17:14:39,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:39,831 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 225 [2024-10-14 17:14:39,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:39,920 INFO L124 PetriNetUnfolderBase]: 266/885 cut-off events. [2024-10-14 17:14:39,920 INFO L125 PetriNetUnfolderBase]: For 56/56 co-relation queries the response was YES. [2024-10-14 17:14:39,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1280 conditions, 885 events. 266/885 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 5199 event pairs, 164 based on Foata normal form. 0/808 useless extension candidates. Maximal degree in co-relation 1242. Up to 369 conditions per place. [2024-10-14 17:14:39,925 INFO L140 encePairwiseOnDemand]: 220/225 looper letters, 20 selfloop transitions, 1 changer transitions 0/171 dead transitions. [2024-10-14 17:14:39,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 171 transitions, 395 flow [2024-10-14 17:14:39,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:39,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:39,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2024-10-14 17:14:39,928 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8325925925925926 [2024-10-14 17:14:39,928 INFO L175 Difference]: Start difference. First operand has 177 places, 175 transitions, 361 flow. Second operand 3 states and 562 transitions. [2024-10-14 17:14:39,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 171 transitions, 395 flow [2024-10-14 17:14:39,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 171 transitions, 391 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:14:39,930 INFO L231 Difference]: Finished difference. Result has 173 places, 171 transitions, 351 flow [2024-10-14 17:14:39,930 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=349, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=351, PETRI_PLACES=173, PETRI_TRANSITIONS=171} [2024-10-14 17:14:39,931 INFO L277 CegarLoopForPetriNet]: 203 programPoint places, -30 predicate places. [2024-10-14 17:14:39,932 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 171 transitions, 351 flow [2024-10-14 17:14:39,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 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) [2024-10-14 17:14:39,933 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:39,933 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:14:39,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 17:14:39,933 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-14 17:14:39,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:39,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1755751082, now seen corresponding path program 1 times [2024-10-14 17:14:39,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:39,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245832569] [2024-10-14 17:14:39,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:39,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:39,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:39,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:39,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245832569] [2024-10-14 17:14:39,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245832569] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:39,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:39,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:39,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727690563] [2024-10-14 17:14:39,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:39,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:39,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:39,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:39,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:40,002 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 225 [2024-10-14 17:14:40,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 171 transitions, 351 flow. Second operand has 3 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 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) [2024-10-14 17:14:40,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:40,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 225 [2024-10-14 17:14:40,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:40,079 INFO L124 PetriNetUnfolderBase]: 111/568 cut-off events. [2024-10-14 17:14:40,079 INFO L125 PetriNetUnfolderBase]: For 22/25 co-relation queries the response was YES. [2024-10-14 17:14:40,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 744 conditions, 568 events. 111/568 cut-off events. For 22/25 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2612 event pairs, 32 based on Foata normal form. 0/523 useless extension candidates. Maximal degree in co-relation 707. Up to 108 conditions per place. [2024-10-14 17:14:40,082 INFO L140 encePairwiseOnDemand]: 221/225 looper letters, 17 selfloop transitions, 3 changer transitions 0/176 dead transitions. [2024-10-14 17:14:40,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 176 transitions, 403 flow [2024-10-14 17:14:40,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:40,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:40,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2024-10-14 17:14:40,084 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8711111111111111 [2024-10-14 17:14:40,084 INFO L175 Difference]: Start difference. First operand has 173 places, 171 transitions, 351 flow. Second operand 3 states and 588 transitions. [2024-10-14 17:14:40,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 176 transitions, 403 flow [2024-10-14 17:14:40,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 176 transitions, 402 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:14:40,087 INFO L231 Difference]: Finished difference. Result has 173 places, 170 transitions, 354 flow [2024-10-14 17:14:40,087 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=354, PETRI_PLACES=173, PETRI_TRANSITIONS=170} [2024-10-14 17:14:40,087 INFO L277 CegarLoopForPetriNet]: 203 programPoint places, -30 predicate places. [2024-10-14 17:14:40,087 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 170 transitions, 354 flow [2024-10-14 17:14:40,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 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) [2024-10-14 17:14:40,088 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:14:40,088 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] [2024-10-14 17:14:40,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 17:14:40,088 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-14 17:14:40,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:14:40,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1688567606, now seen corresponding path program 1 times [2024-10-14 17:14:40,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:14:40,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648586901] [2024-10-14 17:14:40,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:14:40,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:14:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:14:40,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:14:40,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:14:40,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648586901] [2024-10-14 17:14:40,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648586901] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:14:40,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:14:40,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:14:40,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71977969] [2024-10-14 17:14:40,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:14:40,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:14:40,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:14:40,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:14:40,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:14:40,151 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 225 [2024-10-14 17:14:40,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 170 transitions, 354 flow. Second operand has 3 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 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) [2024-10-14 17:14:40,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:14:40,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 225 [2024-10-14 17:14:40,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:14:40,221 INFO L124 PetriNetUnfolderBase]: 110/514 cut-off events. [2024-10-14 17:14:40,221 INFO L125 PetriNetUnfolderBase]: For 64/65 co-relation queries the response was YES. [2024-10-14 17:14:40,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 741 conditions, 514 events. 110/514 cut-off events. For 64/65 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2135 event pairs, 25 based on Foata normal form. 1/485 useless extension candidates. Maximal degree in co-relation 704. Up to 91 conditions per place. [2024-10-14 17:14:40,223 INFO L140 encePairwiseOnDemand]: 219/225 looper letters, 0 selfloop transitions, 0 changer transitions 178/178 dead transitions. [2024-10-14 17:14:40,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 178 transitions, 421 flow [2024-10-14 17:14:40,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:14:40,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:14:40,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 590 transitions. [2024-10-14 17:14:40,225 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8740740740740741 [2024-10-14 17:14:40,225 INFO L175 Difference]: Start difference. First operand has 173 places, 170 transitions, 354 flow. Second operand 3 states and 590 transitions. [2024-10-14 17:14:40,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 178 transitions, 421 flow [2024-10-14 17:14:40,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 178 transitions, 411 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:14:40,227 INFO L231 Difference]: Finished difference. Result has 172 places, 0 transitions, 0 flow [2024-10-14 17:14:40,227 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=172, PETRI_TRANSITIONS=0} [2024-10-14 17:14:40,229 INFO L277 CegarLoopForPetriNet]: 203 programPoint places, -31 predicate places. [2024-10-14 17:14:40,229 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 0 transitions, 0 flow [2024-10-14 17:14:40,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 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) [2024-10-14 17:14:40,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (44 of 45 remaining) [2024-10-14 17:14:40,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (43 of 45 remaining) [2024-10-14 17:14:40,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (42 of 45 remaining) [2024-10-14 17:14:40,234 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (41 of 45 remaining) [2024-10-14 17:14:40,234 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (40 of 45 remaining) [2024-10-14 17:14:40,234 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (39 of 45 remaining) [2024-10-14 17:14:40,234 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (38 of 45 remaining) [2024-10-14 17:14:40,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (37 of 45 remaining) [2024-10-14 17:14:40,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (36 of 45 remaining) [2024-10-14 17:14:40,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (35 of 45 remaining) [2024-10-14 17:14:40,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (34 of 45 remaining) [2024-10-14 17:14:40,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (33 of 45 remaining) [2024-10-14 17:14:40,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (32 of 45 remaining) [2024-10-14 17:14:40,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (31 of 45 remaining) [2024-10-14 17:14:40,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (30 of 45 remaining) [2024-10-14 17:14:40,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (29 of 45 remaining) [2024-10-14 17:14:40,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 45 remaining) [2024-10-14 17:14:40,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 45 remaining) [2024-10-14 17:14:40,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 45 remaining) [2024-10-14 17:14:40,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 45 remaining) [2024-10-14 17:14:40,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 45 remaining) [2024-10-14 17:14:40,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 45 remaining) [2024-10-14 17:14:40,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 45 remaining) [2024-10-14 17:14:40,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (21 of 45 remaining) [2024-10-14 17:14:40,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (20 of 45 remaining) [2024-10-14 17:14:40,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (19 of 45 remaining) [2024-10-14 17:14:40,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 45 remaining) [2024-10-14 17:14:40,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 45 remaining) [2024-10-14 17:14:40,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 45 remaining) [2024-10-14 17:14:40,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 45 remaining) [2024-10-14 17:14:40,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 45 remaining) [2024-10-14 17:14:40,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 45 remaining) [2024-10-14 17:14:40,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 45 remaining) [2024-10-14 17:14:40,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 45 remaining) [2024-10-14 17:14:40,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 45 remaining) [2024-10-14 17:14:40,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 45 remaining) [2024-10-14 17:14:40,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 45 remaining) [2024-10-14 17:14:40,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 45 remaining) [2024-10-14 17:14:40,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 45 remaining) [2024-10-14 17:14:40,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 45 remaining) [2024-10-14 17:14:40,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 45 remaining) [2024-10-14 17:14:40,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 45 remaining) [2024-10-14 17:14:40,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 45 remaining) [2024-10-14 17:14:40,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 45 remaining) [2024-10-14 17:14:40,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 45 remaining) [2024-10-14 17:14:40,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 17:14:40,241 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:14:40,249 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 17:14:40,249 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 17:14:40,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:14:40 BasicIcfg [2024-10-14 17:14:40,259 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 17:14:40,259 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 17:14:40,259 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 17:14:40,259 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 17:14:40,260 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:14:37" (3/4) ... [2024-10-14 17:14:40,261 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 17:14:40,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-14 17:14:40,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-14 17:14:40,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-14 17:14:40,268 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-10-14 17:14:40,268 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 17:14:40,269 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 17:14:40,269 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 17:14:40,348 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 17:14:40,349 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 17:14:40,349 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 17:14:40,350 INFO L158 Benchmark]: Toolchain (without parser) took 3536.56ms. Allocated memory was 184.5MB in the beginning and 247.5MB in the end (delta: 62.9MB). Free memory was 114.2MB in the beginning and 159.8MB in the end (delta: -45.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-10-14 17:14:40,350 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 142.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:14:40,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.29ms. Allocated memory is still 184.5MB. Free memory was 114.2MB in the beginning and 100.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 17:14:40,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.66ms. Allocated memory is still 184.5MB. Free memory was 100.6MB in the beginning and 98.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:14:40,351 INFO L158 Benchmark]: Boogie Preprocessor took 27.30ms. Allocated memory is still 184.5MB. Free memory was 98.0MB in the beginning and 95.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:14:40,351 INFO L158 Benchmark]: RCFGBuilder took 763.30ms. Allocated memory is still 184.5MB. Free memory was 95.6MB in the beginning and 95.5MB in the end (delta: 109.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-14 17:14:40,351 INFO L158 Benchmark]: TraceAbstraction took 2372.72ms. Allocated memory was 184.5MB in the beginning and 247.5MB in the end (delta: 62.9MB). Free memory was 94.4MB in the beginning and 165.1MB in the end (delta: -70.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:14:40,351 INFO L158 Benchmark]: Witness Printer took 90.47ms. Allocated memory is still 247.5MB. Free memory was 165.1MB in the beginning and 159.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 17:14:40,352 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 142.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.29ms. Allocated memory is still 184.5MB. Free memory was 114.2MB in the beginning and 100.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.66ms. Allocated memory is still 184.5MB. Free memory was 100.6MB in the beginning and 98.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.30ms. Allocated memory is still 184.5MB. Free memory was 98.0MB in the beginning and 95.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 763.30ms. Allocated memory is still 184.5MB. Free memory was 95.6MB in the beginning and 95.5MB in the end (delta: 109.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2372.72ms. Allocated memory was 184.5MB in the beginning and 247.5MB in the end (delta: 62.9MB). Free memory was 94.4MB in the beginning and 165.1MB in the end (delta: -70.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 90.47ms. Allocated memory is still 247.5MB. Free memory was 165.1MB in the beginning and 159.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 115]: 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: 93]: 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: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: 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, 279 locations, 45 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: 2.2s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 209 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 350 IncrementalHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 33 mSDtfsCounter, 350 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=428occurred in iteration=0, InterpolantAutomatonStates: 27, 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, 0.6s InterpolantComputationTime, 536 NumberOfCodeBlocks, 536 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 528 ConstructedInterpolants, 0 QuantifiedInterpolants, 657 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 26 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 17:14:40,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE