./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-more-max-array.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 573af40880ce1d61666f10a2729c7d6ecdb02e81781df2543efcfdd5788ab6d6 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:39:45,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:39:45,085 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:39:45,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:39:45,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:39:45,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:39:45,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:39:45,126 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:39:45,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:39:45,127 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:39:45,129 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:39:45,129 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:39:45,130 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:39:45,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:39:45,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:39:45,132 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:39:45,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:39:45,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:39:45,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:39:45,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:39:45,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:39:45,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:39:45,138 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:39:45,138 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:39:45,139 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:39:45,139 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:39:45,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:39:45,139 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:39:45,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:39:45,140 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:39:45,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:39:45,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:39:45,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:39:45,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:39:45,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:39:45,143 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:39:45,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:39:45,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:39:45,144 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:39:45,144 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:39:45,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:39:45,145 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573af40880ce1d61666f10a2729c7d6ecdb02e81781df2543efcfdd5788ab6d6 [2024-11-12 12:39:45,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:39:45,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:39:45,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:39:45,483 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:39:45,483 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:39:45,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c [2024-11-12 12:39:47,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:39:47,247 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:39:47,247 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c [2024-11-12 12:39:47,255 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7daf22396/b287b59a1847443e9ae452a59441cf0f/FLAG8f80b2486 [2024-11-12 12:39:47,268 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7daf22396/b287b59a1847443e9ae452a59441cf0f [2024-11-12 12:39:47,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:39:47,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:39:47,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:39:47,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:39:47,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:39:47,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:39:47" (1/1) ... [2024-11-12 12:39:47,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f44ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:47, skipping insertion in model container [2024-11-12 12:39:47,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:39:47" (1/1) ... [2024-11-12 12:39:47,306 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:39:47,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:39:47,550 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:39:47,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:39:47,595 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:39:47,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:47 WrapperNode [2024-11-12 12:39:47,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:39:47,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:39:47,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:39:47,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:39:47,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:47" (1/1) ... [2024-11-12 12:39:47,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:47" (1/1) ... [2024-11-12 12:39:47,635 INFO L138 Inliner]: procedures = 23, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2024-11-12 12:39:47,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:39:47,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:39:47,636 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:39:47,636 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:39:47,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:47" (1/1) ... [2024-11-12 12:39:47,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:47" (1/1) ... [2024-11-12 12:39:47,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:47" (1/1) ... [2024-11-12 12:39:47,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:47" (1/1) ... [2024-11-12 12:39:47,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:47" (1/1) ... [2024-11-12 12:39:47,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:47" (1/1) ... [2024-11-12 12:39:47,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:47" (1/1) ... [2024-11-12 12:39:47,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:47" (1/1) ... [2024-11-12 12:39:47,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:39:47,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:39:47,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:39:47,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:39:47,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:47" (1/1) ... [2024-11-12 12:39:47,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:39:47,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:39:47,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 12:39:47,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 12:39:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:39:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-12 12:39:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-12 12:39:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-12 12:39:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-12 12:39:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-12 12:39:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-12 12:39:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:39:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:39:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-12 12:39:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-12 12:39:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 12:39:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:39:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:39:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:39:47,784 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:39:47,883 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:39:47,885 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:39:48,347 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:39:48,347 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:39:48,681 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:39:48,683 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-12 12:39:48,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:39:48 BoogieIcfgContainer [2024-11-12 12:39:48,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:39:48,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:39:48,686 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:39:48,689 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:39:48,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:39:47" (1/3) ... [2024-11-12 12:39:48,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b6476f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:39:48, skipping insertion in model container [2024-11-12 12:39:48,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:39:47" (2/3) ... [2024-11-12 12:39:48,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b6476f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:39:48, skipping insertion in model container [2024-11-12 12:39:48,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:39:48" (3/3) ... [2024-11-12 12:39:48,693 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-max-array.wvr.c [2024-11-12 12:39:48,712 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:39:48,714 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2024-11-12 12:39:48,714 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:39:48,797 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-12 12:39:48,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 222 places, 225 transitions, 471 flow [2024-11-12 12:39:48,926 INFO L124 PetriNetUnfolderBase]: 13/222 cut-off events. [2024-11-12 12:39:48,926 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-12 12:39:48,935 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 10. Compared 288 event pairs, 0 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 174. Up to 2 conditions per place. [2024-11-12 12:39:48,935 INFO L82 GeneralOperation]: Start removeDead. Operand has 222 places, 225 transitions, 471 flow [2024-11-12 12:39:48,943 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 203 places, 205 transitions, 428 flow [2024-11-12 12:39:48,958 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:39:48,968 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;@42b8427, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:39:48,968 INFO L334 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2024-11-12 12:39:48,977 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:39:48,977 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-12 12:39:48,977 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:39:48,977 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:48,978 INFO L206 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] [2024-11-12 12:39:48,979 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-12 12:39:48,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:48,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1798801760, now seen corresponding path program 1 times [2024-11-12 12:39:48,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:48,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972132190] [2024-11-12 12:39:48,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:48,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:49,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:49,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:49,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972132190] [2024-11-12 12:39:49,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972132190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:49,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:49,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:49,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813836802] [2024-11-12 12:39:49,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:49,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:49,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:49,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:49,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:49,319 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 225 [2024-11-12 12:39:49,329 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 205 transitions, 428 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:49,329 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:49,329 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 225 [2024-11-12 12:39:49,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:49,506 INFO L124 PetriNetUnfolderBase]: 77/467 cut-off events. [2024-11-12 12:39:49,506 INFO L125 PetriNetUnfolderBase]: For 75/75 co-relation queries the response was YES. [2024-11-12 12:39:49,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 467 events. 77/467 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1959 event pairs, 38 based on Foata normal form. 36/431 useless extension candidates. Maximal degree in co-relation 446. Up to 113 conditions per place. [2024-11-12 12:39:49,514 INFO L140 encePairwiseOnDemand]: 197/225 looper letters, 16 selfloop transitions, 2 changer transitions 3/179 dead transitions. [2024-11-12 12:39:49,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 179 transitions, 412 flow [2024-11-12 12:39:49,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:49,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:49,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 578 transitions. [2024-11-12 12:39:49,569 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8562962962962963 [2024-11-12 12:39:49,572 INFO L175 Difference]: Start difference. First operand has 203 places, 205 transitions, 428 flow. Second operand 3 states and 578 transitions. [2024-11-12 12:39:49,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 179 transitions, 412 flow [2024-11-12 12:39:49,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 179 transitions, 400 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-12 12:39:49,583 INFO L231 Difference]: Finished difference. Result has 180 places, 176 transitions, 362 flow [2024-11-12 12:39:49,586 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=362, PETRI_PLACES=180, PETRI_TRANSITIONS=176} [2024-11-12 12:39:49,591 INFO L279 CegarLoopForPetriNet]: 203 programPoint places, -23 predicate places. [2024-11-12 12:39:49,592 INFO L471 AbstractCegarLoop]: Abstraction has has 180 places, 176 transitions, 362 flow [2024-11-12 12:39:49,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:49,593 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:49,593 INFO L206 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] [2024-11-12 12:39:49,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:39:49,593 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-12 12:39:49,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:49,595 INFO L85 PathProgramCache]: Analyzing trace with hash 956146687, now seen corresponding path program 1 times [2024-11-12 12:39:49,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:49,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139195473] [2024-11-12 12:39:49,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:49,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:49,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:49,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:49,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139195473] [2024-11-12 12:39:49,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139195473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:49,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:49,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:49,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199850728] [2024-11-12 12:39:49,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:49,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:49,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:49,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:49,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:49,689 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 225 [2024-11-12 12:39:49,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 176 transitions, 362 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:49,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:49,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 225 [2024-11-12 12:39:49,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:49,764 INFO L124 PetriNetUnfolderBase]: 50/344 cut-off events. [2024-11-12 12:39:49,764 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-12 12:39:49,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 344 events. 50/344 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1191 event pairs, 34 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 415. Up to 85 conditions per place. [2024-11-12 12:39:49,767 INFO L140 encePairwiseOnDemand]: 222/225 looper letters, 16 selfloop transitions, 2 changer transitions 0/175 dead transitions. [2024-11-12 12:39:49,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 175 transitions, 396 flow [2024-11-12 12:39:49,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:49,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:49,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2024-11-12 12:39:49,771 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8192592592592592 [2024-11-12 12:39:49,771 INFO L175 Difference]: Start difference. First operand has 180 places, 176 transitions, 362 flow. Second operand 3 states and 553 transitions. [2024-11-12 12:39:49,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 175 transitions, 396 flow [2024-11-12 12:39:49,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 175 transitions, 392 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:39:49,776 INFO L231 Difference]: Finished difference. Result has 176 places, 175 transitions, 360 flow [2024-11-12 12:39:49,776 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=174, 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=360, PETRI_PLACES=176, PETRI_TRANSITIONS=175} [2024-11-12 12:39:49,777 INFO L279 CegarLoopForPetriNet]: 203 programPoint places, -27 predicate places. [2024-11-12 12:39:49,777 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 175 transitions, 360 flow [2024-11-12 12:39:49,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:49,778 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:49,778 INFO L206 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] [2024-11-12 12:39:49,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:39:49,779 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-12 12:39:49,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:49,780 INFO L85 PathProgramCache]: Analyzing trace with hash 2060996848, now seen corresponding path program 1 times [2024-11-12 12:39:49,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:49,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923371369] [2024-11-12 12:39:49,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:49,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:49,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:49,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:49,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923371369] [2024-11-12 12:39:49,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923371369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:49,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:49,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:49,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838798180] [2024-11-12 12:39:49,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:49,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:49,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:49,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:49,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:49,876 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 225 [2024-11-12 12:39:49,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 175 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:49,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:49,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 225 [2024-11-12 12:39:49,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:49,972 INFO L124 PetriNetUnfolderBase]: 83/413 cut-off events. [2024-11-12 12:39:49,972 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-12 12:39:49,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 413 events. 83/413 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1707 event pairs, 59 based on Foata normal form. 0/374 useless extension candidates. Maximal degree in co-relation 529. Up to 135 conditions per place. [2024-11-12 12:39:49,976 INFO L140 encePairwiseOnDemand]: 220/225 looper letters, 17 selfloop transitions, 1 changer transitions 0/171 dead transitions. [2024-11-12 12:39:49,977 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 171 transitions, 388 flow [2024-11-12 12:39:49,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:49,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:49,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions. [2024-11-12 12:39:49,979 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8148148148148148 [2024-11-12 12:39:49,979 INFO L175 Difference]: Start difference. First operand has 176 places, 175 transitions, 360 flow. Second operand 3 states and 550 transitions. [2024-11-12 12:39:49,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 171 transitions, 388 flow [2024-11-12 12:39:49,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 171 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:39:49,984 INFO L231 Difference]: Finished difference. Result has 172 places, 171 transitions, 350 flow [2024-11-12 12:39:49,984 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=170, 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=350, PETRI_PLACES=172, PETRI_TRANSITIONS=171} [2024-11-12 12:39:49,985 INFO L279 CegarLoopForPetriNet]: 203 programPoint places, -31 predicate places. [2024-11-12 12:39:49,985 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 171 transitions, 350 flow [2024-11-12 12:39:49,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:49,986 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:49,986 INFO L206 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] [2024-11-12 12:39:49,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:39:49,986 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-12 12:39:49,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:49,987 INFO L85 PathProgramCache]: Analyzing trace with hash 17119540, now seen corresponding path program 1 times [2024-11-12 12:39:49,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:49,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942463912] [2024-11-12 12:39:49,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:49,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:50,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:50,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:50,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942463912] [2024-11-12 12:39:50,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942463912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:50,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:50,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:39:50,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057574843] [2024-11-12 12:39:50,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:50,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:39:50,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:50,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:39:50,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:39:50,714 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 225 [2024-11-12 12:39:50,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 171 transitions, 350 flow. Second operand has 6 states, 6 states have (on average 176.5) internal successors, (1059), 6 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:50,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:50,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 225 [2024-11-12 12:39:50,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:50,782 INFO L124 PetriNetUnfolderBase]: 32/281 cut-off events. [2024-11-12 12:39:50,783 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-12 12:39:50,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 281 events. 32/281 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 741 event pairs, 15 based on Foata normal form. 0/261 useless extension candidates. Maximal degree in co-relation 314. Up to 55 conditions per place. [2024-11-12 12:39:50,785 INFO L140 encePairwiseOnDemand]: 219/225 looper letters, 17 selfloop transitions, 5 changer transitions 0/170 dead transitions. [2024-11-12 12:39:50,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 170 transitions, 392 flow [2024-11-12 12:39:50,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:39:50,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:39:50,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1073 transitions. [2024-11-12 12:39:50,788 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7948148148148149 [2024-11-12 12:39:50,788 INFO L175 Difference]: Start difference. First operand has 172 places, 171 transitions, 350 flow. Second operand 6 states and 1073 transitions. [2024-11-12 12:39:50,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 170 transitions, 392 flow [2024-11-12 12:39:50,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 170 transitions, 391 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:39:50,792 INFO L231 Difference]: Finished difference. Result has 175 places, 170 transitions, 357 flow [2024-11-12 12:39:50,792 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=347, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=357, PETRI_PLACES=175, PETRI_TRANSITIONS=170} [2024-11-12 12:39:50,793 INFO L279 CegarLoopForPetriNet]: 203 programPoint places, -28 predicate places. [2024-11-12 12:39:50,793 INFO L471 AbstractCegarLoop]: Abstraction has has 175 places, 170 transitions, 357 flow [2024-11-12 12:39:50,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.5) internal successors, (1059), 6 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:50,794 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:50,794 INFO L206 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] [2024-11-12 12:39:50,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:39:50,795 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-12 12:39:50,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:50,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1103204082, now seen corresponding path program 1 times [2024-11-12 12:39:50,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:50,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180189536] [2024-11-12 12:39:50,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:50,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:50,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:50,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:50,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180189536] [2024-11-12 12:39:50,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180189536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:50,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:50,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:50,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761158172] [2024-11-12 12:39:50,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:50,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:50,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:50,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:50,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:50,850 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 225 [2024-11-12 12:39:50,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 170 transitions, 357 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:50,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:50,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 225 [2024-11-12 12:39:50,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:50,909 INFO L124 PetriNetUnfolderBase]: 32/280 cut-off events. [2024-11-12 12:39:50,909 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-12 12:39:50,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 280 events. 32/280 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 738 event pairs, 15 based on Foata normal form. 0/261 useless extension candidates. Maximal degree in co-relation 329. Up to 50 conditions per place. [2024-11-12 12:39:50,912 INFO L140 encePairwiseOnDemand]: 222/225 looper letters, 12 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2024-11-12 12:39:50,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 169 transitions, 383 flow [2024-11-12 12:39:50,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:50,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:50,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 561 transitions. [2024-11-12 12:39:50,914 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8311111111111111 [2024-11-12 12:39:50,914 INFO L175 Difference]: Start difference. First operand has 175 places, 170 transitions, 357 flow. Second operand 3 states and 561 transitions. [2024-11-12 12:39:50,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 169 transitions, 383 flow [2024-11-12 12:39:50,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 169 transitions, 373 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:39:50,918 INFO L231 Difference]: Finished difference. Result has 171 places, 169 transitions, 349 flow [2024-11-12 12:39:50,918 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=349, PETRI_PLACES=171, PETRI_TRANSITIONS=169} [2024-11-12 12:39:50,919 INFO L279 CegarLoopForPetriNet]: 203 programPoint places, -32 predicate places. [2024-11-12 12:39:50,919 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 169 transitions, 349 flow [2024-11-12 12:39:50,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:50,920 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:50,920 INFO L206 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] [2024-11-12 12:39:50,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:39:50,920 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-12 12:39:50,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:50,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1492213958, now seen corresponding path program 1 times [2024-11-12 12:39:50,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:50,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613503861] [2024-11-12 12:39:50,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:50,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:50,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:50,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:50,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613503861] [2024-11-12 12:39:50,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613503861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:50,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:50,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:50,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225494128] [2024-11-12 12:39:50,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:50,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:50,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:50,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:50,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:51,009 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 225 [2024-11-12 12:39:51,011 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 169 transitions, 349 flow. Second operand has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:51,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:51,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 225 [2024-11-12 12:39:51,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:51,118 INFO L124 PetriNetUnfolderBase]: 137/555 cut-off events. [2024-11-12 12:39:51,120 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-12 12:39:51,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 760 conditions, 555 events. 137/555 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2595 event pairs, 71 based on Foata normal form. 0/499 useless extension candidates. Maximal degree in co-relation 722. Up to 187 conditions per place. [2024-11-12 12:39:51,125 INFO L140 encePairwiseOnDemand]: 220/225 looper letters, 17 selfloop transitions, 1 changer transitions 0/165 dead transitions. [2024-11-12 12:39:51,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 165 transitions, 377 flow [2024-11-12 12:39:51,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:51,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:51,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions. [2024-11-12 12:39:51,128 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8148148148148148 [2024-11-12 12:39:51,128 INFO L175 Difference]: Start difference. First operand has 171 places, 169 transitions, 349 flow. Second operand 3 states and 550 transitions. [2024-11-12 12:39:51,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 165 transitions, 377 flow [2024-11-12 12:39:51,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 165 transitions, 373 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:39:51,133 INFO L231 Difference]: Finished difference. Result has 167 places, 165 transitions, 339 flow [2024-11-12 12:39:51,133 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=167, PETRI_TRANSITIONS=165} [2024-11-12 12:39:51,136 INFO L279 CegarLoopForPetriNet]: 203 programPoint places, -36 predicate places. [2024-11-12 12:39:51,136 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 165 transitions, 339 flow [2024-11-12 12:39:51,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:51,137 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:51,137 INFO L206 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] [2024-11-12 12:39:51,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:39:51,138 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-12 12:39:51,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:51,140 INFO L85 PathProgramCache]: Analyzing trace with hash -973320847, now seen corresponding path program 1 times [2024-11-12 12:39:51,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:51,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962350662] [2024-11-12 12:39:51,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:51,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:51,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:51,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:51,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962350662] [2024-11-12 12:39:51,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962350662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:51,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:51,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:51,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535026360] [2024-11-12 12:39:51,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:51,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:51,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:51,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:51,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:51,233 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 225 [2024-11-12 12:39:51,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 165 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:51,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:51,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 225 [2024-11-12 12:39:51,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:51,302 INFO L124 PetriNetUnfolderBase]: 32/273 cut-off events. [2024-11-12 12:39:51,302 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-12 12:39:51,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 273 events. 32/273 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 705 event pairs, 15 based on Foata normal form. 0/261 useless extension candidates. Maximal degree in co-relation 296. Up to 47 conditions per place. [2024-11-12 12:39:51,305 INFO L140 encePairwiseOnDemand]: 223/225 looper letters, 10 selfloop transitions, 1 changer transitions 0/164 dead transitions. [2024-11-12 12:39:51,305 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 164 transitions, 359 flow [2024-11-12 12:39:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:51,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:51,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 570 transitions. [2024-11-12 12:39:51,307 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8444444444444444 [2024-11-12 12:39:51,307 INFO L175 Difference]: Start difference. First operand has 167 places, 165 transitions, 339 flow. Second operand 3 states and 570 transitions. [2024-11-12 12:39:51,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 164 transitions, 359 flow [2024-11-12 12:39:51,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 358 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:39:51,311 INFO L231 Difference]: Finished difference. Result has 167 places, 164 transitions, 338 flow [2024-11-12 12:39:51,312 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=167, PETRI_TRANSITIONS=164} [2024-11-12 12:39:51,313 INFO L279 CegarLoopForPetriNet]: 203 programPoint places, -36 predicate places. [2024-11-12 12:39:51,314 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 164 transitions, 338 flow [2024-11-12 12:39:51,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:51,315 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:39:51,315 INFO L206 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] [2024-11-12 12:39:51,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:39:51,316 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2024-11-12 12:39:51,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:39:51,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1287378179, now seen corresponding path program 1 times [2024-11-12 12:39:51,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:39:51,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381055582] [2024-11-12 12:39:51,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:39:51,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:39:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:39:51,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:39:51,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:39:51,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381055582] [2024-11-12 12:39:51,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381055582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:39:51,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:39:51,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:39:51,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846673037] [2024-11-12 12:39:51,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:39:51,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:39:51,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:39:51,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:39:51,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:39:51,393 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 225 [2024-11-12 12:39:51,394 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 164 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:51,395 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:39:51,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 225 [2024-11-12 12:39:51,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:39:51,445 INFO L124 PetriNetUnfolderBase]: 32/272 cut-off events. [2024-11-12 12:39:51,445 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-12 12:39:51,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332 conditions, 272 events. 32/272 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 706 event pairs, 15 based on Foata normal form. 1/261 useless extension candidates. Maximal degree in co-relation 324. Up to 47 conditions per place. [2024-11-12 12:39:51,447 INFO L140 encePairwiseOnDemand]: 223/225 looper letters, 0 selfloop transitions, 0 changer transitions 163/163 dead transitions. [2024-11-12 12:39:51,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 163 transitions, 356 flow [2024-11-12 12:39:51,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:39:51,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:39:51,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 569 transitions. [2024-11-12 12:39:51,449 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8429629629629629 [2024-11-12 12:39:51,449 INFO L175 Difference]: Start difference. First operand has 167 places, 164 transitions, 338 flow. Second operand 3 states and 569 transitions. [2024-11-12 12:39:51,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 163 transitions, 356 flow [2024-11-12 12:39:51,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 163 transitions, 355 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:39:51,451 INFO L231 Difference]: Finished difference. Result has 167 places, 0 transitions, 0 flow [2024-11-12 12:39:51,452 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=167, PETRI_TRANSITIONS=0} [2024-11-12 12:39:51,453 INFO L279 CegarLoopForPetriNet]: 203 programPoint places, -36 predicate places. [2024-11-12 12:39:51,454 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 0 transitions, 0 flow [2024-11-12 12:39:51,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:39:51,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (56 of 57 remaining) [2024-11-12 12:39:51,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (55 of 57 remaining) [2024-11-12 12:39:51,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (54 of 57 remaining) [2024-11-12 12:39:51,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (53 of 57 remaining) [2024-11-12 12:39:51,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (52 of 57 remaining) [2024-11-12 12:39:51,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (51 of 57 remaining) [2024-11-12 12:39:51,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (50 of 57 remaining) [2024-11-12 12:39:51,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (49 of 57 remaining) [2024-11-12 12:39:51,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (48 of 57 remaining) [2024-11-12 12:39:51,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (47 of 57 remaining) [2024-11-12 12:39:51,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (46 of 57 remaining) [2024-11-12 12:39:51,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (45 of 57 remaining) [2024-11-12 12:39:51,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (44 of 57 remaining) [2024-11-12 12:39:51,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (43 of 57 remaining) [2024-11-12 12:39:51,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (42 of 57 remaining) [2024-11-12 12:39:51,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (41 of 57 remaining) [2024-11-12 12:39:51,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (40 of 57 remaining) [2024-11-12 12:39:51,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (39 of 57 remaining) [2024-11-12 12:39:51,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (38 of 57 remaining) [2024-11-12 12:39:51,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (37 of 57 remaining) [2024-11-12 12:39:51,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (36 of 57 remaining) [2024-11-12 12:39:51,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (35 of 57 remaining) [2024-11-12 12:39:51,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 57 remaining) [2024-11-12 12:39:51,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 57 remaining) [2024-11-12 12:39:51,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 57 remaining) [2024-11-12 12:39:51,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 57 remaining) [2024-11-12 12:39:51,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 57 remaining) [2024-11-12 12:39:51,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 57 remaining) [2024-11-12 12:39:51,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 57 remaining) [2024-11-12 12:39:51,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 57 remaining) [2024-11-12 12:39:51,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (26 of 57 remaining) [2024-11-12 12:39:51,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (25 of 57 remaining) [2024-11-12 12:39:51,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 57 remaining) [2024-11-12 12:39:51,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 57 remaining) [2024-11-12 12:39:51,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 57 remaining) [2024-11-12 12:39:51,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 57 remaining) [2024-11-12 12:39:51,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 57 remaining) [2024-11-12 12:39:51,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 57 remaining) [2024-11-12 12:39:51,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 57 remaining) [2024-11-12 12:39:51,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 57 remaining) [2024-11-12 12:39:51,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 57 remaining) [2024-11-12 12:39:51,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 57 remaining) [2024-11-12 12:39:51,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 57 remaining) [2024-11-12 12:39:51,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 57 remaining) [2024-11-12 12:39:51,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 57 remaining) [2024-11-12 12:39:51,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 57 remaining) [2024-11-12 12:39:51,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 57 remaining) [2024-11-12 12:39:51,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 57 remaining) [2024-11-12 12:39:51,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 57 remaining) [2024-11-12 12:39:51,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 57 remaining) [2024-11-12 12:39:51,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 57 remaining) [2024-11-12 12:39:51,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 57 remaining) [2024-11-12 12:39:51,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 57 remaining) [2024-11-12 12:39:51,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 57 remaining) [2024-11-12 12:39:51,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 57 remaining) [2024-11-12 12:39:51,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 57 remaining) [2024-11-12 12:39:51,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 57 remaining) [2024-11-12 12:39:51,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 12:39:51,476 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:39:51,490 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 12:39:51,490 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 12:39:51,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:39:51 BasicIcfg [2024-11-12 12:39:51,498 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 12:39:51,499 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 12:39:51,499 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 12:39:51,499 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 12:39:51,499 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:39:48" (3/4) ... [2024-11-12 12:39:51,501 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 12:39:51,504 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-12 12:39:51,504 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-12 12:39:51,504 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-12 12:39:51,511 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-12 12:39:51,512 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-12 12:39:51,513 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 12:39:51,513 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 12:39:51,616 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 12:39:51,616 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 12:39:51,616 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 12:39:51,617 INFO L158 Benchmark]: Toolchain (without parser) took 4344.49ms. Allocated memory was 207.6MB in the beginning and 299.9MB in the end (delta: 92.3MB). Free memory was 152.7MB in the beginning and 146.3MB in the end (delta: 6.4MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. [2024-11-12 12:39:51,617 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory was 107.6MB in the beginning and 107.5MB in the end (delta: 169.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:39:51,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.70ms. Allocated memory is still 207.6MB. Free memory was 152.4MB in the beginning and 138.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 12:39:51,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.77ms. Allocated memory is still 207.6MB. Free memory was 138.1MB in the beginning and 136.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:39:51,618 INFO L158 Benchmark]: Boogie Preprocessor took 47.55ms. Allocated memory is still 207.6MB. Free memory was 136.3MB in the beginning and 133.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:39:51,618 INFO L158 Benchmark]: RCFGBuilder took 999.62ms. Allocated memory is still 207.6MB. Free memory was 133.9MB in the beginning and 145.4MB in the end (delta: -11.5MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-11-12 12:39:51,618 INFO L158 Benchmark]: TraceAbstraction took 2812.56ms. Allocated memory was 207.6MB in the beginning and 299.9MB in the end (delta: 92.3MB). Free memory was 144.4MB in the beginning and 152.6MB in the end (delta: -8.2MB). Peak memory consumption was 87.2MB. Max. memory is 16.1GB. [2024-11-12 12:39:51,619 INFO L158 Benchmark]: Witness Printer took 117.78ms. Allocated memory is still 299.9MB. Free memory was 152.6MB in the beginning and 146.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 12:39:51,621 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory was 107.6MB in the beginning and 107.5MB in the end (delta: 169.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.70ms. Allocated memory is still 207.6MB. Free memory was 152.4MB in the beginning and 138.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.77ms. Allocated memory is still 207.6MB. Free memory was 138.1MB in the beginning and 136.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.55ms. Allocated memory is still 207.6MB. Free memory was 136.3MB in the beginning and 133.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 999.62ms. Allocated memory is still 207.6MB. Free memory was 133.9MB in the beginning and 145.4MB in the end (delta: -11.5MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2812.56ms. Allocated memory was 207.6MB in the beginning and 299.9MB in the end (delta: 92.3MB). Free memory was 144.4MB in the beginning and 152.6MB in the end (delta: -8.2MB). Peak memory consumption was 87.2MB. Max. memory is 16.1GB. * Witness Printer took 117.78ms. Allocated memory is still 299.9MB. Free memory was 152.6MB in the beginning and 146.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: 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: 58]: 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: 60]: 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: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: 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: 89]: 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: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: 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, 57 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: 2.6s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 192 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 300 IncrementalHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 33 mSDtfsCounter, 300 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, 0.1s 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, 0.9s 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 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-12 12:39:51,653 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