./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/chl-poker-hand-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 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/chl-poker-hand-trans.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 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:31:03,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:31:03,837 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:31:03,840 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:31:03,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:31:03,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:31:03,870 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:31:03,870 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:31:03,871 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:31:03,871 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:31:03,873 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:31:03,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:31:03,874 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:31:03,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:31:03,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:31:03,876 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:31:03,877 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:31:03,877 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:31:03,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:31:03,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:31:03,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:31:03,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:31:03,882 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:31:03,882 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:31:03,882 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:31:03,882 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:31:03,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:31:03,882 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:31:03,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:31:03,883 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:31:03,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:31:03,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:31:03,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:31:03,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:31:03,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:31:03,884 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:31:03,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:31:03,884 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:31:03,884 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:31:03,884 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:31:03,884 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:31:03,888 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7 [2024-10-24 15:31:04,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:31:04,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:31:04,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:31:04,200 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:31:04,200 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:31:04,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c [2024-10-24 15:31:05,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:31:05,842 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:31:05,842 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c [2024-10-24 15:31:05,854 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d67aa4c6/84cfb6f3f0ed4c85b8f8db717c74f739/FLAG4f87f1a71 [2024-10-24 15:31:06,209 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d67aa4c6/84cfb6f3f0ed4c85b8f8db717c74f739 [2024-10-24 15:31:06,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:31:06,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:31:06,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:31:06,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:31:06,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:31:06,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:31:06" (1/1) ... [2024-10-24 15:31:06,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87a0896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:06, skipping insertion in model container [2024-10-24 15:31:06,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:31:06" (1/1) ... [2024-10-24 15:31:06,248 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:31:06,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:31:06,657 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:31:06,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:31:06,760 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:31:06,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:06 WrapperNode [2024-10-24 15:31:06,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:31:06,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:31:06,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:31:06,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:31:06,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:06" (1/1) ... [2024-10-24 15:31:06,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:06" (1/1) ... [2024-10-24 15:31:06,998 INFO L138 Inliner]: procedures = 25, calls = 440, calls flagged for inlining = 101, calls inlined = 145, statements flattened = 5005 [2024-10-24 15:31:06,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:31:07,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:31:07,000 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:31:07,000 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:31:07,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:06" (1/1) ... [2024-10-24 15:31:07,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:06" (1/1) ... [2024-10-24 15:31:07,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:06" (1/1) ... [2024-10-24 15:31:07,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:06" (1/1) ... [2024-10-24 15:31:07,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:06" (1/1) ... [2024-10-24 15:31:07,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:06" (1/1) ... [2024-10-24 15:31:07,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:06" (1/1) ... [2024-10-24 15:31:07,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:06" (1/1) ... [2024-10-24 15:31:07,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:31:07,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:31:07,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:31:07,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:31:07,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:06" (1/1) ... [2024-10-24 15:31:07,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:31:07,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:31:07,347 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) [2024-10-24 15:31:07,352 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 [2024-10-24 15:31:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:31:07,387 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-24 15:31:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-24 15:31:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-24 15:31:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-24 15:31:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-24 15:31:07,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-24 15:31:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:31:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-24 15:31:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 15:31:07,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 15:31:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 15:31:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:31:07,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:31:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-24 15:31:07,392 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:31:07,590 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:31:07,592 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:31:11,914 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:31:11,915 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:31:25,429 WARN L1752 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-10-24 15:31:25,443 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:31:25,444 INFO L314 CfgBuilder]: Removed 18 assume(true) statements. [2024-10-24 15:31:25,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:31:25 BoogieIcfgContainer [2024-10-24 15:31:25,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:31:25,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:31:25,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:31:25,448 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:31:25,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:31:06" (1/3) ... [2024-10-24 15:31:25,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8cd241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:31:25, skipping insertion in model container [2024-10-24 15:31:25,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:31:06" (2/3) ... [2024-10-24 15:31:25,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8cd241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:31:25, skipping insertion in model container [2024-10-24 15:31:25,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:31:25" (3/3) ... [2024-10-24 15:31:25,450 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-trans.wvr.c [2024-10-24 15:31:25,463 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:31:25,464 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 753 error locations. [2024-10-24 15:31:25,464 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:31:27,464 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-24 15:31:27,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1712 places, 1785 transitions, 3591 flow [2024-10-24 15:31:28,485 INFO L124 PetriNetUnfolderBase]: 83/1782 cut-off events. [2024-10-24 15:31:28,486 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-24 15:31:28,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1795 conditions, 1782 events. 83/1782 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 8425 event pairs, 0 based on Foata normal form. 0/946 useless extension candidates. Maximal degree in co-relation 1442. Up to 8 conditions per place. [2024-10-24 15:31:28,525 INFO L82 GeneralOperation]: Start removeDead. Operand has 1712 places, 1785 transitions, 3591 flow [2024-10-24 15:31:28,591 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1690 places, 1761 transitions, 3540 flow [2024-10-24 15:31:28,600 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:31:28,607 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;@356a804e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:31:28,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1467 error locations. [2024-10-24 15:31:28,614 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:31:28,615 INFO L124 PetriNetUnfolderBase]: 3/81 cut-off events. [2024-10-24 15:31:28,616 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:31:28,616 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:28,616 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] [2024-10-24 15:31:28,617 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2024-10-24 15:31:28,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:28,621 INFO L85 PathProgramCache]: Analyzing trace with hash 556520513, now seen corresponding path program 1 times [2024-10-24 15:31:28,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:28,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783851419] [2024-10-24 15:31:28,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:28,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:29,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:29,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:29,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783851419] [2024-10-24 15:31:29,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783851419] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:29,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:29,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:31:29,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599295984] [2024-10-24 15:31:29,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:29,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:31:29,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:29,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:31:29,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:31:30,138 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 821 out of 1785 [2024-10-24 15:31:30,147 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1690 places, 1761 transitions, 3540 flow. Second operand has 6 states, 6 states have (on average 822.5) internal successors, (4935), 6 states have internal predecessors, (4935), 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) [2024-10-24 15:31:30,147 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:30,147 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 821 of 1785 [2024-10-24 15:31:30,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:33,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 15:31:40,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 15:31:44,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 15:31:49,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 15:31:56,183 INFO L124 PetriNetUnfolderBase]: 697/2536 cut-off events. [2024-10-24 15:31:56,183 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2024-10-24 15:31:56,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3549 conditions, 2536 events. 697/2536 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 11490 event pairs, 135 based on Foata normal form. 168/2292 useless extension candidates. Maximal degree in co-relation 2317. Up to 886 conditions per place. [2024-10-24 15:31:56,199 INFO L140 encePairwiseOnDemand]: 959/1785 looper letters, 136 selfloop transitions, 60 changer transitions 24/995 dead transitions. [2024-10-24 15:31:56,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 972 places, 995 transitions, 2400 flow [2024-10-24 15:31:56,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:31:56,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:31:56,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5888 transitions. [2024-10-24 15:31:56,224 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5497665732959851 [2024-10-24 15:31:56,226 INFO L175 Difference]: Start difference. First operand has 1690 places, 1761 transitions, 3540 flow. Second operand 6 states and 5888 transitions. [2024-10-24 15:31:56,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 972 places, 995 transitions, 2400 flow [2024-10-24 15:31:56,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 966 places, 995 transitions, 2388 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-24 15:31:56,246 INFO L231 Difference]: Finished difference. Result has 966 places, 971 transitions, 2068 flow [2024-10-24 15:31:56,248 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1785, PETRI_DIFFERENCE_MINUEND_FLOW=1996, PETRI_DIFFERENCE_MINUEND_PLACES=961, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=995, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=935, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2068, PETRI_PLACES=966, PETRI_TRANSITIONS=971} [2024-10-24 15:31:56,256 INFO L277 CegarLoopForPetriNet]: 1690 programPoint places, -724 predicate places. [2024-10-24 15:31:56,256 INFO L471 AbstractCegarLoop]: Abstraction has has 966 places, 971 transitions, 2068 flow [2024-10-24 15:31:56,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 822.5) internal successors, (4935), 6 states have internal predecessors, (4935), 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) [2024-10-24 15:31:56,259 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:31:56,259 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] [2024-10-24 15:31:56,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:31:56,262 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2024-10-24 15:31:56,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:31:56,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1492636070, now seen corresponding path program 1 times [2024-10-24 15:31:56,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:31:56,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208956201] [2024-10-24 15:31:56,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:31:56,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:31:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:31:56,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:31:56,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:31:56,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208956201] [2024-10-24 15:31:56,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208956201] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:31:56,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:31:56,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:31:56,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236205850] [2024-10-24 15:31:56,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:31:56,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:31:56,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:31:56,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:31:56,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:31:56,364 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1785 [2024-10-24 15:31:56,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 966 places, 971 transitions, 2068 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2024-10-24 15:31:56,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:31:56,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1785 [2024-10-24 15:31:56,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:31:59,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 15:32:02,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 15:32:07,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 15:32:10,840 INFO L124 PetriNetUnfolderBase]: 697/2511 cut-off events. [2024-10-24 15:32:10,840 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-24 15:32:10,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3389 conditions, 2511 events. 697/2511 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 11412 event pairs, 135 based on Foata normal form. 0/2124 useless extension candidates. Maximal degree in co-relation 3206. Up to 793 conditions per place. [2024-10-24 15:32:10,862 INFO L140 encePairwiseOnDemand]: 1782/1785 looper letters, 43 selfloop transitions, 2 changer transitions 0/970 dead transitions. [2024-10-24 15:32:10,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 943 places, 970 transitions, 2156 flow [2024-10-24 15:32:10,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:10,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:10,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2992 transitions. [2024-10-24 15:32:10,870 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5587301587301587 [2024-10-24 15:32:10,870 INFO L175 Difference]: Start difference. First operand has 966 places, 971 transitions, 2068 flow. Second operand 3 states and 2992 transitions. [2024-10-24 15:32:10,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 943 places, 970 transitions, 2156 flow [2024-10-24 15:32:10,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 938 places, 970 transitions, 2036 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:32:10,887 INFO L231 Difference]: Finished difference. Result has 938 places, 970 transitions, 1950 flow [2024-10-24 15:32:10,888 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1785, PETRI_DIFFERENCE_MINUEND_FLOW=1946, PETRI_DIFFERENCE_MINUEND_PLACES=936, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=968, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1950, PETRI_PLACES=938, PETRI_TRANSITIONS=970} [2024-10-24 15:32:10,889 INFO L277 CegarLoopForPetriNet]: 1690 programPoint places, -752 predicate places. [2024-10-24 15:32:10,889 INFO L471 AbstractCegarLoop]: Abstraction has has 938 places, 970 transitions, 1950 flow [2024-10-24 15:32:10,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2024-10-24 15:32:10,891 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:10,891 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] [2024-10-24 15:32:10,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:32:10,892 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2024-10-24 15:32:10,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:10,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1642664329, now seen corresponding path program 1 times [2024-10-24 15:32:10,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:10,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809714255] [2024-10-24 15:32:10,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:10,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:11,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:11,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:11,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809714255] [2024-10-24 15:32:11,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809714255] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:11,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:11,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:11,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711554087] [2024-10-24 15:32:11,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:11,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:11,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:11,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:11,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:11,039 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1785 [2024-10-24 15:32:11,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 938 places, 970 transitions, 1950 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2024-10-24 15:32:11,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:11,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1785 [2024-10-24 15:32:11,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:22,586 INFO L124 PetriNetUnfolderBase]: 697/2510 cut-off events. [2024-10-24 15:32:22,586 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-24 15:32:22,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3330 conditions, 2510 events. 697/2510 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 11520 event pairs, 135 based on Foata normal form. 0/2124 useless extension candidates. Maximal degree in co-relation 3239. Up to 793 conditions per place. [2024-10-24 15:32:22,604 INFO L140 encePairwiseOnDemand]: 1782/1785 looper letters, 43 selfloop transitions, 2 changer transitions 0/969 dead transitions. [2024-10-24 15:32:22,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 939 places, 969 transitions, 2038 flow [2024-10-24 15:32:22,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:22,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:22,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2992 transitions. [2024-10-24 15:32:22,610 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5587301587301587 [2024-10-24 15:32:22,610 INFO L175 Difference]: Start difference. First operand has 938 places, 970 transitions, 1950 flow. Second operand 3 states and 2992 transitions. [2024-10-24 15:32:22,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 939 places, 969 transitions, 2038 flow [2024-10-24 15:32:22,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 937 places, 969 transitions, 2034 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:22,624 INFO L231 Difference]: Finished difference. Result has 937 places, 969 transitions, 1948 flow [2024-10-24 15:32:22,625 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1785, PETRI_DIFFERENCE_MINUEND_FLOW=1944, PETRI_DIFFERENCE_MINUEND_PLACES=935, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=969, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=967, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1948, PETRI_PLACES=937, PETRI_TRANSITIONS=969} [2024-10-24 15:32:22,626 INFO L277 CegarLoopForPetriNet]: 1690 programPoint places, -753 predicate places. [2024-10-24 15:32:22,627 INFO L471 AbstractCegarLoop]: Abstraction has has 937 places, 969 transitions, 1948 flow [2024-10-24 15:32:22,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2024-10-24 15:32:22,629 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:22,629 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:32:22,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:32:22,630 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2024-10-24 15:32:22,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:22,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1274354103, now seen corresponding path program 1 times [2024-10-24 15:32:22,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:22,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133523109] [2024-10-24 15:32:22,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:22,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:22,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:22,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:22,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133523109] [2024-10-24 15:32:22,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133523109] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:22,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:22,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:22,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814087866] [2024-10-24 15:32:22,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:22,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:22,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:22,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:22,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:22,776 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1785 [2024-10-24 15:32:22,779 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 969 transitions, 1948 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2024-10-24 15:32:22,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:22,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1785 [2024-10-24 15:32:22,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:32:27,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 15:32:36,205 INFO L124 PetriNetUnfolderBase]: 697/2509 cut-off events. [2024-10-24 15:32:36,205 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-24 15:32:36,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3329 conditions, 2509 events. 697/2509 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 11522 event pairs, 135 based on Foata normal form. 0/2124 useless extension candidates. Maximal degree in co-relation 3191. Up to 793 conditions per place. [2024-10-24 15:32:36,222 INFO L140 encePairwiseOnDemand]: 1782/1785 looper letters, 43 selfloop transitions, 2 changer transitions 0/968 dead transitions. [2024-10-24 15:32:36,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 938 places, 968 transitions, 2036 flow [2024-10-24 15:32:36,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:32:36,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:32:36,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2992 transitions. [2024-10-24 15:32:36,227 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5587301587301587 [2024-10-24 15:32:36,229 INFO L175 Difference]: Start difference. First operand has 937 places, 969 transitions, 1948 flow. Second operand 3 states and 2992 transitions. [2024-10-24 15:32:36,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 938 places, 968 transitions, 2036 flow [2024-10-24 15:32:36,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 936 places, 968 transitions, 2032 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:32:36,241 INFO L231 Difference]: Finished difference. Result has 936 places, 968 transitions, 1946 flow [2024-10-24 15:32:36,242 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1785, PETRI_DIFFERENCE_MINUEND_FLOW=1942, PETRI_DIFFERENCE_MINUEND_PLACES=934, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=968, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=966, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1946, PETRI_PLACES=936, PETRI_TRANSITIONS=968} [2024-10-24 15:32:36,243 INFO L277 CegarLoopForPetriNet]: 1690 programPoint places, -754 predicate places. [2024-10-24 15:32:36,244 INFO L471 AbstractCegarLoop]: Abstraction has has 936 places, 968 transitions, 1946 flow [2024-10-24 15:32:36,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2024-10-24 15:32:36,245 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:32:36,246 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:32:36,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:32:36,246 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2024-10-24 15:32:36,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:32:36,247 INFO L85 PathProgramCache]: Analyzing trace with hash -2086092654, now seen corresponding path program 1 times [2024-10-24 15:32:36,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:32:36,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450486484] [2024-10-24 15:32:36,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:32:36,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:32:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:32:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:32:36,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:32:36,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450486484] [2024-10-24 15:32:36,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450486484] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:32:36,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:32:36,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:32:36,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607174375] [2024-10-24 15:32:36,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:32:36,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:32:36,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:32:36,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:32:36,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:32:36,359 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1785 [2024-10-24 15:32:36,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 936 places, 968 transitions, 1946 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2024-10-24 15:32:36,362 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:32:36,362 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1785 [2024-10-24 15:32:36,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand