./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d 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-min-array-hom.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 0224e82797c7b26c7800eaf85be5e5678e7961d21aa4e2312eda2860d261b33a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:46:22,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:46:22,475 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:46:22,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:46:22,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:46:22,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:46:22,502 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:46:22,502 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:46:22,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:46:22,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:46:22,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:46:22,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:46:22,505 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:46:22,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:46:22,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:46:22,508 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:46:22,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:46:22,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:46:22,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:46:22,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:46:22,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:46:22,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:46:22,513 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:46:22,513 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:46:22,513 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:46:22,513 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:46:22,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:46:22,513 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:46:22,514 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:46:22,514 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:46:22,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:46:22,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:46:22,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:46:22,514 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:46:22,514 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:46:22,515 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:46:22,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:46:22,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:46:22,517 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:46:22,517 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:46:22,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:46:22,518 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0224e82797c7b26c7800eaf85be5e5678e7961d21aa4e2312eda2860d261b33a [2024-11-16 23:46:22,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:46:22,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:46:22,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:46:22,752 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:46:22,753 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:46:22,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c [2024-11-16 23:46:24,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:46:24,277 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:46:24,277 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c [2024-11-16 23:46:24,284 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b763a9cde/eeb6cbbc88f7403e994db52838e598d3/FLAG0e5081044 [2024-11-16 23:46:24,297 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b763a9cde/eeb6cbbc88f7403e994db52838e598d3 [2024-11-16 23:46:24,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:46:24,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:46:24,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:46:24,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:46:24,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:46:24,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:46:24" (1/1) ... [2024-11-16 23:46:24,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aed106e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24, skipping insertion in model container [2024-11-16 23:46:24,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:46:24" (1/1) ... [2024-11-16 23:46:24,330 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:46:24,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:46:24,513 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:46:24,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:46:24,589 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:46:24,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24 WrapperNode [2024-11-16 23:46:24,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:46:24,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:46:24,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:46:24,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:46:24,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2024-11-16 23:46:24,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2024-11-16 23:46:24,637 INFO L138 Inliner]: procedures = 23, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2024-11-16 23:46:24,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:46:24,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:46:24,638 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:46:24,638 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:46:24,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2024-11-16 23:46:24,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2024-11-16 23:46:24,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2024-11-16 23:46:24,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2024-11-16 23:46:24,659 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2024-11-16 23:46:24,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2024-11-16 23:46:24,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2024-11-16 23:46:24,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2024-11-16 23:46:24,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:46:24,666 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:46:24,666 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:46:24,666 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:46:24,667 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2024-11-16 23:46:24,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:46:24,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:46:24,705 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) [2024-11-16 23:46:24,708 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 [2024-11-16 23:46:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:46:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:46:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:46:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:46:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:46:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-16 23:46:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-16 23:46:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:46:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:46:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-16 23:46:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-16 23:46:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:46:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:46:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:46:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:46:24,749 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:46:24,854 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:46:24,856 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:46:25,286 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:46:25,286 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:46:25,439 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:46:25,439 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:46:25,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:46:25 BoogieIcfgContainer [2024-11-16 23:46:25,440 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:46:25,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:46:25,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:46:25,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:46:25,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:46:24" (1/3) ... [2024-11-16 23:46:25,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a5493d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:46:25, skipping insertion in model container [2024-11-16 23:46:25,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (2/3) ... [2024-11-16 23:46:25,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a5493d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:46:25, skipping insertion in model container [2024-11-16 23:46:25,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:46:25" (3/3) ... [2024-11-16 23:46:25,450 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array-hom.wvr.c [2024-11-16 23:46:25,470 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:46:25,471 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2024-11-16 23:46:25,471 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:46:25,560 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-16 23:46:25,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 237 places, 241 transitions, 503 flow [2024-11-16 23:46:25,680 INFO L124 PetriNetUnfolderBase]: 14/238 cut-off events. [2024-11-16 23:46:25,680 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-16 23:46:25,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 238 events. 14/238 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 331 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 176. Up to 2 conditions per place. [2024-11-16 23:46:25,686 INFO L82 GeneralOperation]: Start removeDead. Operand has 237 places, 241 transitions, 503 flow [2024-11-16 23:46:25,690 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 215 places, 217 transitions, 452 flow [2024-11-16 23:46:25,697 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:46:25,704 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;@d9d493b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:46:25,704 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2024-11-16 23:46:25,711 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:46:25,711 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-16 23:46:25,711 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:46:25,711 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:25,712 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:25,713 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:46:25,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:25,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1109796628, now seen corresponding path program 1 times [2024-11-16 23:46:25,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:25,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481318617] [2024-11-16 23:46:25,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:25,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:25,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:25,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:25,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481318617] [2024-11-16 23:46:25,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481318617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:25,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:25,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:25,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836364772] [2024-11-16 23:46:25,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:25,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:25,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:25,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:25,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:26,021 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 241 [2024-11-16 23:46:26,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 217 transitions, 452 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2024-11-16 23:46:26,029 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:26,029 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 241 [2024-11-16 23:46:26,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:26,161 INFO L124 PetriNetUnfolderBase]: 77/479 cut-off events. [2024-11-16 23:46:26,164 INFO L125 PetriNetUnfolderBase]: For 75/75 co-relation queries the response was YES. [2024-11-16 23:46:26,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 638 conditions, 479 events. 77/479 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1973 event pairs, 38 based on Foata normal form. 36/441 useless extension candidates. Maximal degree in co-relation 446. Up to 113 conditions per place. [2024-11-16 23:46:26,170 INFO L140 encePairwiseOnDemand]: 213/241 looper letters, 16 selfloop transitions, 2 changer transitions 3/191 dead transitions. [2024-11-16 23:46:26,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 191 transitions, 436 flow [2024-11-16 23:46:26,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:26,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:26,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 626 transitions. [2024-11-16 23:46:26,184 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8658367911479945 [2024-11-16 23:46:26,186 INFO L175 Difference]: Start difference. First operand has 215 places, 217 transitions, 452 flow. Second operand 3 states and 626 transitions. [2024-11-16 23:46:26,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 191 transitions, 436 flow [2024-11-16 23:46:26,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 191 transitions, 424 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-16 23:46:26,193 INFO L231 Difference]: Finished difference. Result has 192 places, 188 transitions, 386 flow [2024-11-16 23:46:26,196 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=192, PETRI_TRANSITIONS=188} [2024-11-16 23:46:26,201 INFO L277 CegarLoopForPetriNet]: 215 programPoint places, -23 predicate places. [2024-11-16 23:46:26,202 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 188 transitions, 386 flow [2024-11-16 23:46:26,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2024-11-16 23:46:26,203 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:26,203 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:26,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:46:26,204 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:46:26,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:26,206 INFO L85 PathProgramCache]: Analyzing trace with hash 140723751, now seen corresponding path program 1 times [2024-11-16 23:46:26,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:26,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277033824] [2024-11-16 23:46:26,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:26,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:26,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:26,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:26,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277033824] [2024-11-16 23:46:26,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277033824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:26,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:26,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:26,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982755986] [2024-11-16 23:46:26,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:26,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:26,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:26,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:26,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:26,298 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 241 [2024-11-16 23:46:26,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 188 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2024-11-16 23:46:26,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:26,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 241 [2024-11-16 23:46:26,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:26,366 INFO L124 PetriNetUnfolderBase]: 50/356 cut-off events. [2024-11-16 23:46:26,366 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-16 23:46:26,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 356 events. 50/356 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1198 event pairs, 34 based on Foata normal form. 0/314 useless extension candidates. Maximal degree in co-relation 426. Up to 85 conditions per place. [2024-11-16 23:46:26,371 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 16 selfloop transitions, 2 changer transitions 0/187 dead transitions. [2024-11-16 23:46:26,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 187 transitions, 420 flow [2024-11-16 23:46:26,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:26,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 601 transitions. [2024-11-16 23:46:26,373 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8312586445366529 [2024-11-16 23:46:26,374 INFO L175 Difference]: Start difference. First operand has 192 places, 188 transitions, 386 flow. Second operand 3 states and 601 transitions. [2024-11-16 23:46:26,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 187 transitions, 420 flow [2024-11-16 23:46:26,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 187 transitions, 416 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:26,380 INFO L231 Difference]: Finished difference. Result has 188 places, 187 transitions, 384 flow [2024-11-16 23:46:26,380 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=188, PETRI_TRANSITIONS=187} [2024-11-16 23:46:26,381 INFO L277 CegarLoopForPetriNet]: 215 programPoint places, -27 predicate places. [2024-11-16 23:46:26,381 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 187 transitions, 384 flow [2024-11-16 23:46:26,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2024-11-16 23:46:26,382 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:26,382 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:26,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:46:26,383 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:46:26,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:26,383 INFO L85 PathProgramCache]: Analyzing trace with hash -61680430, now seen corresponding path program 1 times [2024-11-16 23:46:26,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:26,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317474957] [2024-11-16 23:46:26,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:26,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:26,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:26,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:26,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317474957] [2024-11-16 23:46:26,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317474957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:26,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:26,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:26,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584054884] [2024-11-16 23:46:26,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:26,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:26,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:26,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:26,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:26,487 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 241 [2024-11-16 23:46:26,489 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 187 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 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) [2024-11-16 23:46:26,489 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:26,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 241 [2024-11-16 23:46:26,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:26,555 INFO L124 PetriNetUnfolderBase]: 83/425 cut-off events. [2024-11-16 23:46:26,556 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-16 23:46:26,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 579 conditions, 425 events. 83/425 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1713 event pairs, 59 based on Foata normal form. 0/383 useless extension candidates. Maximal degree in co-relation 540. Up to 135 conditions per place. [2024-11-16 23:46:26,561 INFO L140 encePairwiseOnDemand]: 236/241 looper letters, 17 selfloop transitions, 1 changer transitions 0/183 dead transitions. [2024-11-16 23:46:26,561 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 183 transitions, 412 flow [2024-11-16 23:46:26,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:26,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:26,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 598 transitions. [2024-11-16 23:46:26,563 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8271092669432918 [2024-11-16 23:46:26,563 INFO L175 Difference]: Start difference. First operand has 188 places, 187 transitions, 384 flow. Second operand 3 states and 598 transitions. [2024-11-16 23:46:26,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 183 transitions, 412 flow [2024-11-16 23:46:26,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 183 transitions, 408 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:26,588 INFO L231 Difference]: Finished difference. Result has 184 places, 183 transitions, 374 flow [2024-11-16 23:46:26,589 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=374, PETRI_PLACES=184, PETRI_TRANSITIONS=183} [2024-11-16 23:46:26,589 INFO L277 CegarLoopForPetriNet]: 215 programPoint places, -31 predicate places. [2024-11-16 23:46:26,590 INFO L471 AbstractCegarLoop]: Abstraction has has 184 places, 183 transitions, 374 flow [2024-11-16 23:46:26,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 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) [2024-11-16 23:46:26,596 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:26,596 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:26,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:46:26,596 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:46:26,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:26,597 INFO L85 PathProgramCache]: Analyzing trace with hash -670126427, now seen corresponding path program 1 times [2024-11-16 23:46:26,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:26,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813648641] [2024-11-16 23:46:26,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:26,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:26,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:26,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:26,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813648641] [2024-11-16 23:46:26,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813648641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:26,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:26,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:26,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807257957] [2024-11-16 23:46:26,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:26,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:26,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:26,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:26,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:26,694 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 241 [2024-11-16 23:46:26,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 183 transitions, 374 flow. Second operand has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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) [2024-11-16 23:46:26,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:26,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 241 [2024-11-16 23:46:26,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:26,742 INFO L124 PetriNetUnfolderBase]: 32/293 cut-off events. [2024-11-16 23:46:26,742 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-16 23:46:26,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 293 events. 32/293 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 774 event pairs, 15 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 316. Up to 50 conditions per place. [2024-11-16 23:46:26,746 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 12 selfloop transitions, 2 changer transitions 0/182 dead transitions. [2024-11-16 23:46:26,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 182 transitions, 400 flow [2024-11-16 23:46:26,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:26,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:26,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 609 transitions. [2024-11-16 23:46:26,748 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8423236514522822 [2024-11-16 23:46:26,748 INFO L175 Difference]: Start difference. First operand has 184 places, 183 transitions, 374 flow. Second operand 3 states and 609 transitions. [2024-11-16 23:46:26,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 182 transitions, 400 flow [2024-11-16 23:46:26,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 182 transitions, 399 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:46:26,751 INFO L231 Difference]: Finished difference. Result has 184 places, 182 transitions, 375 flow [2024-11-16 23:46:26,752 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=375, PETRI_PLACES=184, PETRI_TRANSITIONS=182} [2024-11-16 23:46:26,752 INFO L277 CegarLoopForPetriNet]: 215 programPoint places, -31 predicate places. [2024-11-16 23:46:26,753 INFO L471 AbstractCegarLoop]: Abstraction has has 184 places, 182 transitions, 375 flow [2024-11-16 23:46:26,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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) [2024-11-16 23:46:26,755 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:26,755 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:26,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:46:26,755 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:46:26,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:26,756 INFO L85 PathProgramCache]: Analyzing trace with hash 63662567, now seen corresponding path program 1 times [2024-11-16 23:46:26,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:26,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705373761] [2024-11-16 23:46:26,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:26,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:27,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:27,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:27,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705373761] [2024-11-16 23:46:27,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705373761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:27,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:27,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:46:27,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089867598] [2024-11-16 23:46:27,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:27,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:46:27,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:27,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:46:27,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:46:27,320 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 241 [2024-11-16 23:46:27,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 182 transitions, 375 flow. Second operand has 6 states, 6 states have (on average 192.5) internal successors, (1155), 6 states have internal predecessors, (1155), 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) [2024-11-16 23:46:27,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:27,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 241 [2024-11-16 23:46:27,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:27,400 INFO L124 PetriNetUnfolderBase]: 32/292 cut-off events. [2024-11-16 23:46:27,400 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-16 23:46:27,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 292 events. 32/292 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 770 event pairs, 15 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 326. Up to 55 conditions per place. [2024-11-16 23:46:27,403 INFO L140 encePairwiseOnDemand]: 235/241 looper letters, 17 selfloop transitions, 5 changer transitions 0/181 dead transitions. [2024-11-16 23:46:27,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 181 transitions, 417 flow [2024-11-16 23:46:27,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:46:27,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:46:27,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1169 transitions. [2024-11-16 23:46:27,407 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8084370677731674 [2024-11-16 23:46:27,407 INFO L175 Difference]: Start difference. First operand has 184 places, 182 transitions, 375 flow. Second operand 6 states and 1169 transitions. [2024-11-16 23:46:27,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 181 transitions, 417 flow [2024-11-16 23:46:27,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 181 transitions, 413 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:46:27,410 INFO L231 Difference]: Finished difference. Result has 186 places, 181 transitions, 379 flow [2024-11-16 23:46:27,410 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=369, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=379, PETRI_PLACES=186, PETRI_TRANSITIONS=181} [2024-11-16 23:46:27,412 INFO L277 CegarLoopForPetriNet]: 215 programPoint places, -29 predicate places. [2024-11-16 23:46:27,412 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 181 transitions, 379 flow [2024-11-16 23:46:27,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 192.5) internal successors, (1155), 6 states have internal predecessors, (1155), 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) [2024-11-16 23:46:27,414 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:27,414 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:27,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:46:27,414 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:46:27,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:27,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1089246835, now seen corresponding path program 1 times [2024-11-16 23:46:27,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:27,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042403955] [2024-11-16 23:46:27,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:27,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:27,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:27,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042403955] [2024-11-16 23:46:27,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042403955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:27,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:27,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:27,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837903381] [2024-11-16 23:46:27,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:27,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:27,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:27,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:27,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:27,460 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 241 [2024-11-16 23:46:27,461 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 181 transitions, 379 flow. Second operand has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 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) [2024-11-16 23:46:27,461 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:27,461 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 241 [2024-11-16 23:46:27,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:27,520 INFO L124 PetriNetUnfolderBase]: 137/567 cut-off events. [2024-11-16 23:46:27,520 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-16 23:46:27,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 775 conditions, 567 events. 137/567 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2633 event pairs, 71 based on Foata normal form. 0/509 useless extension candidates. Maximal degree in co-relation 757. Up to 187 conditions per place. [2024-11-16 23:46:27,524 INFO L140 encePairwiseOnDemand]: 236/241 looper letters, 17 selfloop transitions, 1 changer transitions 0/177 dead transitions. [2024-11-16 23:46:27,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 177 transitions, 407 flow [2024-11-16 23:46:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:27,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:27,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 598 transitions. [2024-11-16 23:46:27,526 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8271092669432918 [2024-11-16 23:46:27,526 INFO L175 Difference]: Start difference. First operand has 186 places, 181 transitions, 379 flow. Second operand 3 states and 598 transitions. [2024-11-16 23:46:27,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 177 transitions, 407 flow [2024-11-16 23:46:27,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 177 transitions, 397 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:46:27,529 INFO L231 Difference]: Finished difference. Result has 179 places, 177 transitions, 363 flow [2024-11-16 23:46:27,529 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=363, PETRI_PLACES=179, PETRI_TRANSITIONS=177} [2024-11-16 23:46:27,530 INFO L277 CegarLoopForPetriNet]: 215 programPoint places, -36 predicate places. [2024-11-16 23:46:27,530 INFO L471 AbstractCegarLoop]: Abstraction has has 179 places, 177 transitions, 363 flow [2024-11-16 23:46:27,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 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) [2024-11-16 23:46:27,531 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:27,531 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:27,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:46:27,531 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:46:27,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:27,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1727274621, now seen corresponding path program 1 times [2024-11-16 23:46:27,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:27,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029223452] [2024-11-16 23:46:27,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:27,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:27,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:27,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029223452] [2024-11-16 23:46:27,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029223452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:27,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:27,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:27,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172067951] [2024-11-16 23:46:27,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:27,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:27,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:27,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:27,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:27,579 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 241 [2024-11-16 23:46:27,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 177 transitions, 363 flow. Second operand has 3 states, 3 states have (on average 204.66666666666666) internal successors, (614), 3 states have internal predecessors, (614), 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) [2024-11-16 23:46:27,580 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:27,580 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 241 [2024-11-16 23:46:27,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:27,632 INFO L124 PetriNetUnfolderBase]: 32/285 cut-off events. [2024-11-16 23:46:27,632 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-16 23:46:27,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 285 events. 32/285 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 729 event pairs, 15 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 307. Up to 47 conditions per place. [2024-11-16 23:46:27,633 INFO L140 encePairwiseOnDemand]: 239/241 looper letters, 10 selfloop transitions, 1 changer transitions 0/176 dead transitions. [2024-11-16 23:46:27,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 176 transitions, 383 flow [2024-11-16 23:46:27,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:27,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:27,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 618 transitions. [2024-11-16 23:46:27,635 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8547717842323651 [2024-11-16 23:46:27,635 INFO L175 Difference]: Start difference. First operand has 179 places, 177 transitions, 363 flow. Second operand 3 states and 618 transitions. [2024-11-16 23:46:27,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 176 transitions, 383 flow [2024-11-16 23:46:27,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 176 transitions, 382 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:46:27,638 INFO L231 Difference]: Finished difference. Result has 179 places, 176 transitions, 362 flow [2024-11-16 23:46:27,638 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=362, PETRI_PLACES=179, PETRI_TRANSITIONS=176} [2024-11-16 23:46:27,638 INFO L277 CegarLoopForPetriNet]: 215 programPoint places, -36 predicate places. [2024-11-16 23:46:27,639 INFO L471 AbstractCegarLoop]: Abstraction has has 179 places, 176 transitions, 362 flow [2024-11-16 23:46:27,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.66666666666666) internal successors, (614), 3 states have internal predecessors, (614), 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) [2024-11-16 23:46:27,639 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:27,639 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:27,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:46:27,640 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:46:27,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:27,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1684002041, now seen corresponding path program 1 times [2024-11-16 23:46:27,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:27,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694641852] [2024-11-16 23:46:27,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:27,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:27,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:27,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:27,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694641852] [2024-11-16 23:46:27,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694641852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:27,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:27,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:27,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103181111] [2024-11-16 23:46:27,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:27,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:27,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:27,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:27,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:27,697 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 241 [2024-11-16 23:46:27,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 176 transitions, 362 flow. Second operand has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 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) [2024-11-16 23:46:27,698 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:27,698 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 241 [2024-11-16 23:46:27,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:27,739 INFO L124 PetriNetUnfolderBase]: 32/283 cut-off events. [2024-11-16 23:46:27,739 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-16 23:46:27,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 283 events. 32/283 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 725 event pairs, 15 based on Foata normal form. 1/270 useless extension candidates. Maximal degree in co-relation 326. Up to 47 conditions per place. [2024-11-16 23:46:27,741 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 10 selfloop transitions, 1 changer transitions 2/174 dead transitions. [2024-11-16 23:46:27,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 174 transitions, 382 flow [2024-11-16 23:46:27,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:27,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:27,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 611 transitions. [2024-11-16 23:46:27,743 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8450899031811895 [2024-11-16 23:46:27,743 INFO L175 Difference]: Start difference. First operand has 179 places, 176 transitions, 362 flow. Second operand 3 states and 611 transitions. [2024-11-16 23:46:27,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 174 transitions, 382 flow [2024-11-16 23:46:27,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 174 transitions, 381 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:46:27,745 INFO L231 Difference]: Finished difference. Result has 178 places, 172 transitions, 355 flow [2024-11-16 23:46:27,746 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=357, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=355, PETRI_PLACES=178, PETRI_TRANSITIONS=172} [2024-11-16 23:46:27,747 INFO L277 CegarLoopForPetriNet]: 215 programPoint places, -37 predicate places. [2024-11-16 23:46:27,748 INFO L471 AbstractCegarLoop]: Abstraction has has 178 places, 172 transitions, 355 flow [2024-11-16 23:46:27,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 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) [2024-11-16 23:46:27,749 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:46:27,750 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:27,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:46:27,752 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err6ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2024-11-16 23:46:27,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:46:27,753 INFO L85 PathProgramCache]: Analyzing trace with hash 876726211, now seen corresponding path program 1 times [2024-11-16 23:46:27,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:46:27,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926193636] [2024-11-16 23:46:27,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:46:27,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:46:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:46:27,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:46:27,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:46:27,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926193636] [2024-11-16 23:46:27,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926193636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:46:27,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:46:27,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:46:27,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525298724] [2024-11-16 23:46:27,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:46:27,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:46:27,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:46:27,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:46:27,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:46:27,800 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 241 [2024-11-16 23:46:27,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 172 transitions, 355 flow. Second operand has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 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) [2024-11-16 23:46:27,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:46:27,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 241 [2024-11-16 23:46:27,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:46:27,837 INFO L124 PetriNetUnfolderBase]: 32/279 cut-off events. [2024-11-16 23:46:27,838 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-16 23:46:27,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 279 events. 32/279 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 719 event pairs, 15 based on Foata normal form. 1/268 useless extension candidates. Maximal degree in co-relation 329. Up to 47 conditions per place. [2024-11-16 23:46:27,839 INFO L140 encePairwiseOnDemand]: 238/241 looper letters, 0 selfloop transitions, 0 changer transitions 170/170 dead transitions. [2024-11-16 23:46:27,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 170 transitions, 375 flow [2024-11-16 23:46:27,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:46:27,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:46:27,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 611 transitions. [2024-11-16 23:46:27,841 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8450899031811895 [2024-11-16 23:46:27,841 INFO L175 Difference]: Start difference. First operand has 178 places, 172 transitions, 355 flow. Second operand 3 states and 611 transitions. [2024-11-16 23:46:27,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 170 transitions, 375 flow [2024-11-16 23:46:27,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 170 transitions, 374 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:46:27,843 INFO L231 Difference]: Finished difference. Result has 175 places, 0 transitions, 0 flow [2024-11-16 23:46:27,843 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=175, PETRI_TRANSITIONS=0} [2024-11-16 23:46:27,843 INFO L277 CegarLoopForPetriNet]: 215 programPoint places, -40 predicate places. [2024-11-16 23:46:27,843 INFO L471 AbstractCegarLoop]: Abstraction has has 175 places, 0 transitions, 0 flow [2024-11-16 23:46:27,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 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) [2024-11-16 23:46:27,846 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2024-11-16 23:46:27,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2024-11-16 23:46:27,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2024-11-16 23:46:27,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2024-11-16 23:46:27,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2024-11-16 23:46:27,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2024-11-16 23:46:27,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2024-11-16 23:46:27,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2024-11-16 23:46:27,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2024-11-16 23:46:27,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2024-11-16 23:46:27,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2024-11-16 23:46:27,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2024-11-16 23:46:27,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2024-11-16 23:46:27,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2024-11-16 23:46:27,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2024-11-16 23:46:27,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2024-11-16 23:46:27,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2024-11-16 23:46:27,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2024-11-16 23:46:27,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2024-11-16 23:46:27,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2024-11-16 23:46:27,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2024-11-16 23:46:27,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2024-11-16 23:46:27,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2024-11-16 23:46:27,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2024-11-16 23:46:27,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2024-11-16 23:46:27,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2024-11-16 23:46:27,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2024-11-16 23:46:27,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2024-11-16 23:46:27,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2024-11-16 23:46:27,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2024-11-16 23:46:27,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2024-11-16 23:46:27,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2024-11-16 23:46:27,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2024-11-16 23:46:27,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2024-11-16 23:46:27,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2024-11-16 23:46:27,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 60 remaining) [2024-11-16 23:46:27,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2024-11-16 23:46:27,850 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2024-11-16 23:46:27,851 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2024-11-16 23:46:27,851 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2024-11-16 23:46:27,851 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2024-11-16 23:46:27,851 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2024-11-16 23:46:27,851 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2024-11-16 23:46:27,851 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2024-11-16 23:46:27,851 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2024-11-16 23:46:27,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2024-11-16 23:46:27,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2024-11-16 23:46:27,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2024-11-16 23:46:27,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2024-11-16 23:46:27,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2024-11-16 23:46:27,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2024-11-16 23:46:27,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2024-11-16 23:46:27,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2024-11-16 23:46:27,852 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2024-11-16 23:46:27,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2024-11-16 23:46:27,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2024-11-16 23:46:27,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2024-11-16 23:46:27,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2024-11-16 23:46:27,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2024-11-16 23:46:27,853 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2024-11-16 23:46:27,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:46:27,854 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:46:27,859 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:46:27,860 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:46:27,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:46:27 BasicIcfg [2024-11-16 23:46:27,868 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:46:27,869 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:46:27,869 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:46:27,869 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:46:27,869 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:46:25" (3/4) ... [2024-11-16 23:46:27,871 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:46:27,873 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-16 23:46:27,874 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-16 23:46:27,874 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-16 23:46:27,878 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-16 23:46:27,878 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 23:46:27,878 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:46:27,878 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:46:27,946 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:46:27,947 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:46:27,947 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:46:27,947 INFO L158 Benchmark]: Toolchain (without parser) took 3645.82ms. Allocated memory was 134.2MB in the beginning and 255.9MB in the end (delta: 121.6MB). Free memory was 61.5MB in the beginning and 129.5MB in the end (delta: -68.0MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2024-11-16 23:46:27,948 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 134.2MB. Free memory was 91.9MB in the beginning and 91.6MB in the end (delta: 283.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:46:27,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.69ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 61.2MB in the beginning and 150.8MB in the end (delta: -89.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-11-16 23:46:27,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.47ms. Allocated memory is still 182.5MB. Free memory was 153.8MB in the beginning and 152.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:46:27,948 INFO L158 Benchmark]: Boogie Preprocessor took 27.68ms. Allocated memory is still 182.5MB. Free memory was 152.7MB in the beginning and 150.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:46:27,948 INFO L158 Benchmark]: IcfgBuilder took 773.84ms. Allocated memory is still 182.5MB. Free memory was 150.6MB in the beginning and 95.0MB in the end (delta: 55.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-11-16 23:46:27,949 INFO L158 Benchmark]: TraceAbstraction took 2424.88ms. Allocated memory was 182.5MB in the beginning and 255.9MB in the end (delta: 73.4MB). Free memory was 95.0MB in the beginning and 134.8MB in the end (delta: -39.7MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2024-11-16 23:46:27,949 INFO L158 Benchmark]: Witness Printer took 78.20ms. Allocated memory is still 255.9MB. Free memory was 134.8MB in the beginning and 129.5MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-16 23:46:27,950 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 134.2MB. Free memory was 91.9MB in the beginning and 91.6MB in the end (delta: 283.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.69ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 61.2MB in the beginning and 150.8MB in the end (delta: -89.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.47ms. Allocated memory is still 182.5MB. Free memory was 153.8MB in the beginning and 152.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.68ms. Allocated memory is still 182.5MB. Free memory was 152.7MB in the beginning and 150.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 773.84ms. Allocated memory is still 182.5MB. Free memory was 150.6MB in the beginning and 95.0MB in the end (delta: 55.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2424.88ms. Allocated memory was 182.5MB in the beginning and 255.9MB in the end (delta: 73.4MB). Free memory was 95.0MB in the beginning and 134.8MB in the end (delta: -39.7MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Witness Printer took 78.20ms. Allocated memory is still 255.9MB. Free memory was 134.8MB in the beginning and 129.5MB in the end (delta: 5.3MB). 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: 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: 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 - 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 - 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, 294 locations, 60 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 226 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 324 IncrementalHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 52 mSDtfsCounter, 324 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=452occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 681 NumberOfCodeBlocks, 681 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 672 ConstructedInterpolants, 0 QuantifiedInterpolants, 803 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-16 23:46:27,974 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