./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-send-receive.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 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 10:00:42,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 10:00:42,346 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 10:00:42,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 10:00:42,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 10:00:42,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 10:00:42,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 10:00:42,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 10:00:42,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 10:00:42,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 10:00:42,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 10:00:42,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 10:00:42,380 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 10:00:42,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 10:00:42,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 10:00:42,381 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 10:00:42,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 10:00:42,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 10:00:42,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 10:00:42,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 10:00:42,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 10:00:42,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 10:00:42,384 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 10:00:42,388 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 10:00:42,388 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 10:00:42,389 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 10:00:42,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 10:00:42,389 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 10:00:42,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 10:00:42,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 10:00:42,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 10:00:42,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 10:00:42,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 10:00:42,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 10:00:42,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 10:00:42,391 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 10:00:42,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 10:00:42,392 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 10:00:42,393 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 10:00:42,393 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 10:00:42,393 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 10:00:42,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 [2024-10-13 10:00:42,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 10:00:42,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 10:00:42,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 10:00:42,667 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 10:00:42,667 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 10:00:42,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2024-10-13 10:00:44,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 10:00:44,380 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 10:00:44,381 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2024-10-13 10:00:44,390 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b36634a9b/81bc024d808643ab926807536d185a89/FLAGdbb9e6696 [2024-10-13 10:00:44,410 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b36634a9b/81bc024d808643ab926807536d185a89 [2024-10-13 10:00:44,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 10:00:44,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 10:00:44,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 10:00:44,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 10:00:44,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 10:00:44,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:00:44" (1/1) ... [2024-10-13 10:00:44,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ca4ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:44, skipping insertion in model container [2024-10-13 10:00:44,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:00:44" (1/1) ... [2024-10-13 10:00:44,453 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 10:00:44,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 10:00:44,664 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 10:00:44,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 10:00:44,708 INFO L204 MainTranslator]: Completed translation [2024-10-13 10:00:44,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:44 WrapperNode [2024-10-13 10:00:44,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 10:00:44,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 10:00:44,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 10:00:44,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 10:00:44,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:44" (1/1) ... [2024-10-13 10:00:44,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:44" (1/1) ... [2024-10-13 10:00:44,752 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 268 [2024-10-13 10:00:44,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 10:00:44,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 10:00:44,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 10:00:44,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 10:00:44,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:44" (1/1) ... [2024-10-13 10:00:44,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:44" (1/1) ... [2024-10-13 10:00:44,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:44" (1/1) ... [2024-10-13 10:00:44,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:44" (1/1) ... [2024-10-13 10:00:44,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:44" (1/1) ... [2024-10-13 10:00:44,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:44" (1/1) ... [2024-10-13 10:00:44,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:44" (1/1) ... [2024-10-13 10:00:44,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:44" (1/1) ... [2024-10-13 10:00:44,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 10:00:44,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 10:00:44,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 10:00:44,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 10:00:44,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:44" (1/1) ... [2024-10-13 10:00:44,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 10:00:44,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 10:00:44,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 10:00:44,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 10:00:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 10:00:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-13 10:00:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-13 10:00:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-13 10:00:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-13 10:00:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-13 10:00:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-13 10:00:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 10:00:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-13 10:00:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 10:00:44,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 10:00:44,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 10:00:44,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 10:00:44,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 10:00:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-13 10:00:44,907 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 10:00:45,050 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 10:00:45,053 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 10:00:45,657 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 10:00:45,657 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 10:00:45,961 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 10:00:45,961 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-13 10:00:45,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:00:45 BoogieIcfgContainer [2024-10-13 10:00:45,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 10:00:45,966 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 10:00:45,967 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 10:00:45,970 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 10:00:45,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:00:44" (1/3) ... [2024-10-13 10:00:45,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d3b459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:00:45, skipping insertion in model container [2024-10-13 10:00:45,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:00:44" (2/3) ... [2024-10-13 10:00:45,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d3b459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:00:45, skipping insertion in model container [2024-10-13 10:00:45,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:00:45" (3/3) ... [2024-10-13 10:00:45,974 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c [2024-10-13 10:00:45,991 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 10:00:45,992 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2024-10-13 10:00:45,992 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 10:00:46,071 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-13 10:00:46,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 216 places, 217 transitions, 455 flow [2024-10-13 10:00:46,236 INFO L124 PetriNetUnfolderBase]: 11/214 cut-off events. [2024-10-13 10:00:46,236 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-13 10:00:46,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 214 events. 11/214 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 347 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 197. Up to 2 conditions per place. [2024-10-13 10:00:46,245 INFO L82 GeneralOperation]: Start removeDead. Operand has 216 places, 217 transitions, 455 flow [2024-10-13 10:00:46,253 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 204 places, 205 transitions, 425 flow [2024-10-13 10:00:46,262 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 10:00:46,269 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;@57cdee65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 10:00:46,269 INFO L334 AbstractCegarLoop]: Starting to check reachability of 75 error locations. [2024-10-13 10:00:46,274 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 10:00:46,274 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-10-13 10:00:46,274 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 10:00:46,274 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:46,275 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:46,275 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-10-13 10:00:46,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:46,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1232029267, now seen corresponding path program 1 times [2024-10-13 10:00:46,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:46,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449174483] [2024-10-13 10:00:46,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:46,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:46,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:46,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:46,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449174483] [2024-10-13 10:00:46,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449174483] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:46,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:46,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:46,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711420020] [2024-10-13 10:00:46,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:46,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:46,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:46,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:46,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:46,536 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 217 [2024-10-13 10:00:46,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 205 transitions, 425 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:46,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:46,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 217 [2024-10-13 10:00:46,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:46,742 INFO L124 PetriNetUnfolderBase]: 98/532 cut-off events. [2024-10-13 10:00:46,742 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2024-10-13 10:00:46,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 722 conditions, 532 events. 98/532 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2477 event pairs, 53 based on Foata normal form. 36/475 useless extension candidates. Maximal degree in co-relation 566. Up to 142 conditions per place. [2024-10-13 10:00:46,751 INFO L140 encePairwiseOnDemand]: 179/217 looper letters, 17 selfloop transitions, 2 changer transitions 3/169 dead transitions. [2024-10-13 10:00:46,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 169 transitions, 393 flow [2024-10-13 10:00:46,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:46,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:46,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 530 transitions. [2024-10-13 10:00:46,769 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8141321044546851 [2024-10-13 10:00:46,772 INFO L175 Difference]: Start difference. First operand has 204 places, 205 transitions, 425 flow. Second operand 3 states and 530 transitions. [2024-10-13 10:00:46,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 169 transitions, 393 flow [2024-10-13 10:00:46,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 169 transitions, 384 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 10:00:46,784 INFO L231 Difference]: Finished difference. Result has 171 places, 166 transitions, 341 flow [2024-10-13 10:00:46,786 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=341, PETRI_PLACES=171, PETRI_TRANSITIONS=166} [2024-10-13 10:00:46,792 INFO L277 CegarLoopForPetriNet]: 204 programPoint places, -33 predicate places. [2024-10-13 10:00:46,792 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 166 transitions, 341 flow [2024-10-13 10:00:46,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:46,794 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:46,794 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:46,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 10:00:46,795 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-10-13 10:00:46,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:46,795 INFO L85 PathProgramCache]: Analyzing trace with hash -499098348, now seen corresponding path program 1 times [2024-10-13 10:00:46,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:46,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115225445] [2024-10-13 10:00:46,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:46,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:46,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:46,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:46,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115225445] [2024-10-13 10:00:46,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115225445] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:46,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:46,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:46,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850236827] [2024-10-13 10:00:46,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:46,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:46,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:46,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:46,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:46,901 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 217 [2024-10-13 10:00:46,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 166 transitions, 341 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:46,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:46,904 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 217 [2024-10-13 10:00:46,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:47,036 INFO L124 PetriNetUnfolderBase]: 79/502 cut-off events. [2024-10-13 10:00:47,036 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-13 10:00:47,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 502 events. 79/502 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2233 event pairs, 37 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 609. Up to 110 conditions per place. [2024-10-13 10:00:47,045 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 16 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2024-10-13 10:00:47,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 165 transitions, 375 flow [2024-10-13 10:00:47,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:47,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:47,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 496 transitions. [2024-10-13 10:00:47,049 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2024-10-13 10:00:47,049 INFO L175 Difference]: Start difference. First operand has 171 places, 166 transitions, 341 flow. Second operand 3 states and 496 transitions. [2024-10-13 10:00:47,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 165 transitions, 375 flow [2024-10-13 10:00:47,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 165 transitions, 371 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:47,058 INFO L231 Difference]: Finished difference. Result has 167 places, 165 transitions, 339 flow [2024-10-13 10:00:47,058 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=167, PETRI_TRANSITIONS=165} [2024-10-13 10:00:47,059 INFO L277 CegarLoopForPetriNet]: 204 programPoint places, -37 predicate places. [2024-10-13 10:00:47,060 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 165 transitions, 339 flow [2024-10-13 10:00:47,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:47,061 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:47,061 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:47,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 10:00:47,061 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-10-13 10:00:47,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:47,063 INFO L85 PathProgramCache]: Analyzing trace with hash -480935930, now seen corresponding path program 1 times [2024-10-13 10:00:47,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:47,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985172755] [2024-10-13 10:00:47,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:47,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:47,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:47,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:47,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985172755] [2024-10-13 10:00:47,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985172755] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:47,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:47,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:47,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726421733] [2024-10-13 10:00:47,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:47,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:47,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:47,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:47,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:47,153 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 217 [2024-10-13 10:00:47,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 165 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:47,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:47,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 217 [2024-10-13 10:00:47,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:47,307 INFO L124 PetriNetUnfolderBase]: 114/723 cut-off events. [2024-10-13 10:00:47,307 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-10-13 10:00:47,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 911 conditions, 723 events. 114/723 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4057 event pairs, 48 based on Foata normal form. 0/591 useless extension candidates. Maximal degree in co-relation 872. Up to 87 conditions per place. [2024-10-13 10:00:47,314 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 22 selfloop transitions, 2 changer transitions 0/173 dead transitions. [2024-10-13 10:00:47,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 173 transitions, 407 flow [2024-10-13 10:00:47,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:47,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:47,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 514 transitions. [2024-10-13 10:00:47,317 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7895545314900153 [2024-10-13 10:00:47,317 INFO L175 Difference]: Start difference. First operand has 167 places, 165 transitions, 339 flow. Second operand 3 states and 514 transitions. [2024-10-13 10:00:47,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 173 transitions, 407 flow [2024-10-13 10:00:47,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 173 transitions, 403 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:47,323 INFO L231 Difference]: Finished difference. Result has 167 places, 165 transitions, 343 flow [2024-10-13 10:00:47,324 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=333, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=343, PETRI_PLACES=167, PETRI_TRANSITIONS=165} [2024-10-13 10:00:47,325 INFO L277 CegarLoopForPetriNet]: 204 programPoint places, -37 predicate places. [2024-10-13 10:00:47,325 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 165 transitions, 343 flow [2024-10-13 10:00:47,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:47,326 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:47,326 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] [2024-10-13 10:00:47,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 10:00:47,326 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-10-13 10:00:47,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:47,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1044776080, now seen corresponding path program 1 times [2024-10-13 10:00:47,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:47,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299121962] [2024-10-13 10:00:47,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:47,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:47,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:47,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:47,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299121962] [2024-10-13 10:00:47,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299121962] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:47,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:47,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:47,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242305382] [2024-10-13 10:00:47,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:47,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:47,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:47,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:47,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:47,401 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 217 [2024-10-13 10:00:47,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 165 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:47,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:47,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 217 [2024-10-13 10:00:47,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:47,527 INFO L124 PetriNetUnfolderBase]: 165/756 cut-off events. [2024-10-13 10:00:47,528 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2024-10-13 10:00:47,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1094 conditions, 756 events. 165/756 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4334 event pairs, 103 based on Foata normal form. 0/628 useless extension candidates. Maximal degree in co-relation 690. Up to 239 conditions per place. [2024-10-13 10:00:47,533 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 18 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2024-10-13 10:00:47,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 164 transitions, 381 flow [2024-10-13 10:00:47,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:47,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:47,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 494 transitions. [2024-10-13 10:00:47,536 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7588325652841782 [2024-10-13 10:00:47,536 INFO L175 Difference]: Start difference. First operand has 167 places, 165 transitions, 343 flow. Second operand 3 states and 494 transitions. [2024-10-13 10:00:47,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 164 transitions, 381 flow [2024-10-13 10:00:47,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 379 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 10:00:47,540 INFO L231 Difference]: Finished difference. Result has 167 places, 164 transitions, 343 flow [2024-10-13 10:00:47,540 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=343, PETRI_PLACES=167, PETRI_TRANSITIONS=164} [2024-10-13 10:00:47,541 INFO L277 CegarLoopForPetriNet]: 204 programPoint places, -37 predicate places. [2024-10-13 10:00:47,541 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 164 transitions, 343 flow [2024-10-13 10:00:47,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:47,542 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:47,542 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] [2024-10-13 10:00:47,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 10:00:47,543 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-10-13 10:00:47,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:47,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1355197575, now seen corresponding path program 1 times [2024-10-13 10:00:47,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:47,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305227169] [2024-10-13 10:00:47,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:47,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:47,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:47,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305227169] [2024-10-13 10:00:47,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305227169] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:47,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:47,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:47,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597684507] [2024-10-13 10:00:47,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:47,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:47,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:47,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:47,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:47,597 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 217 [2024-10-13 10:00:47,598 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 164 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:47,598 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:47,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 217 [2024-10-13 10:00:47,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:47,702 INFO L124 PetriNetUnfolderBase]: 113/681 cut-off events. [2024-10-13 10:00:47,702 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-10-13 10:00:47,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 893 conditions, 681 events. 113/681 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3741 event pairs, 57 based on Foata normal form. 0/559 useless extension candidates. Maximal degree in co-relation 845. Up to 155 conditions per place. [2024-10-13 10:00:47,706 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 16 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2024-10-13 10:00:47,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 163 transitions, 377 flow [2024-10-13 10:00:47,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:47,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:47,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions. [2024-10-13 10:00:47,708 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7649769585253456 [2024-10-13 10:00:47,709 INFO L175 Difference]: Start difference. First operand has 167 places, 164 transitions, 343 flow. Second operand 3 states and 498 transitions. [2024-10-13 10:00:47,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 163 transitions, 377 flow [2024-10-13 10:00:47,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 163 transitions, 373 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:47,712 INFO L231 Difference]: Finished difference. Result has 166 places, 163 transitions, 341 flow [2024-10-13 10:00:47,712 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=341, PETRI_PLACES=166, PETRI_TRANSITIONS=163} [2024-10-13 10:00:47,713 INFO L277 CegarLoopForPetriNet]: 204 programPoint places, -38 predicate places. [2024-10-13 10:00:47,713 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 163 transitions, 341 flow [2024-10-13 10:00:47,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:47,714 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:47,714 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] [2024-10-13 10:00:47,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 10:00:47,715 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-10-13 10:00:47,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:47,715 INFO L85 PathProgramCache]: Analyzing trace with hash 2414849, now seen corresponding path program 1 times [2024-10-13 10:00:47,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:47,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924260075] [2024-10-13 10:00:47,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:47,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:47,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:47,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:47,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924260075] [2024-10-13 10:00:47,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924260075] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:47,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:47,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:47,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349425915] [2024-10-13 10:00:47,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:47,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:47,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:47,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:47,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:47,761 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 217 [2024-10-13 10:00:47,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 163 transitions, 341 flow. Second operand has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:47,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:47,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 217 [2024-10-13 10:00:47,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:47,865 INFO L124 PetriNetUnfolderBase]: 171/772 cut-off events. [2024-10-13 10:00:47,865 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2024-10-13 10:00:47,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1100 conditions, 772 events. 171/772 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4512 event pairs, 103 based on Foata normal form. 0/653 useless extension candidates. Maximal degree in co-relation 1047. Up to 243 conditions per place. [2024-10-13 10:00:47,870 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 17 selfloop transitions, 1 changer transitions 0/161 dead transitions. [2024-10-13 10:00:47,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 161 transitions, 373 flow [2024-10-13 10:00:47,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:47,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:47,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 499 transitions. [2024-10-13 10:00:47,872 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7665130568356375 [2024-10-13 10:00:47,873 INFO L175 Difference]: Start difference. First operand has 166 places, 163 transitions, 341 flow. Second operand 3 states and 499 transitions. [2024-10-13 10:00:47,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 161 transitions, 373 flow [2024-10-13 10:00:47,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 161 transitions, 369 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:47,876 INFO L231 Difference]: Finished difference. Result has 164 places, 161 transitions, 335 flow [2024-10-13 10:00:47,877 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=333, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=335, PETRI_PLACES=164, PETRI_TRANSITIONS=161} [2024-10-13 10:00:47,877 INFO L277 CegarLoopForPetriNet]: 204 programPoint places, -40 predicate places. [2024-10-13 10:00:47,878 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 161 transitions, 335 flow [2024-10-13 10:00:47,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:47,878 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:47,878 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] [2024-10-13 10:00:47,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 10:00:47,879 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-10-13 10:00:47,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:47,880 INFO L85 PathProgramCache]: Analyzing trace with hash 178927274, now seen corresponding path program 1 times [2024-10-13 10:00:47,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:47,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377663859] [2024-10-13 10:00:47,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:47,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:48,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:48,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:48,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377663859] [2024-10-13 10:00:48,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377663859] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:48,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:48,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 10:00:48,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849574595] [2024-10-13 10:00:48,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:48,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 10:00:48,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:48,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 10:00:48,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 10:00:48,488 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 217 [2024-10-13 10:00:48,489 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 161 transitions, 335 flow. Second operand has 6 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:48,489 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:48,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 217 [2024-10-13 10:00:48,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:48,583 INFO L124 PetriNetUnfolderBase]: 113/666 cut-off events. [2024-10-13 10:00:48,584 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-10-13 10:00:48,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 885 conditions, 666 events. 113/666 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3603 event pairs, 57 based on Foata normal form. 0/559 useless extension candidates. Maximal degree in co-relation 833. Up to 160 conditions per place. [2024-10-13 10:00:48,588 INFO L140 encePairwiseOnDemand]: 211/217 looper letters, 21 selfloop transitions, 5 changer transitions 0/160 dead transitions. [2024-10-13 10:00:48,588 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 160 transitions, 385 flow [2024-10-13 10:00:48,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 10:00:48,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 10:00:48,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 944 transitions. [2024-10-13 10:00:48,591 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7250384024577573 [2024-10-13 10:00:48,591 INFO L175 Difference]: Start difference. First operand has 164 places, 161 transitions, 335 flow. Second operand 6 states and 944 transitions. [2024-10-13 10:00:48,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 160 transitions, 385 flow [2024-10-13 10:00:48,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 160 transitions, 384 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 10:00:48,594 INFO L231 Difference]: Finished difference. Result has 167 places, 160 transitions, 342 flow [2024-10-13 10:00:48,594 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=342, PETRI_PLACES=167, PETRI_TRANSITIONS=160} [2024-10-13 10:00:48,595 INFO L277 CegarLoopForPetriNet]: 204 programPoint places, -37 predicate places. [2024-10-13 10:00:48,595 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 160 transitions, 342 flow [2024-10-13 10:00:48,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:48,596 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:48,596 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:48,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 10:00:48,597 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-10-13 10:00:48,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:48,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1957255582, now seen corresponding path program 1 times [2024-10-13 10:00:48,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:48,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298316229] [2024-10-13 10:00:48,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:48,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:48,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:48,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:48,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298316229] [2024-10-13 10:00:48,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298316229] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:48,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:48,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:48,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975382677] [2024-10-13 10:00:48,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:48,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:48,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:48,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:48,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:48,641 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 217 [2024-10-13 10:00:48,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 160 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:48,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:48,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 217 [2024-10-13 10:00:48,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:48,728 INFO L124 PetriNetUnfolderBase]: 113/665 cut-off events. [2024-10-13 10:00:48,728 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-10-13 10:00:48,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 881 conditions, 665 events. 113/665 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3594 event pairs, 57 based on Foata normal form. 0/559 useless extension candidates. Maximal degree in co-relation 862. Up to 155 conditions per place. [2024-10-13 10:00:48,732 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 16 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2024-10-13 10:00:48,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 159 transitions, 376 flow [2024-10-13 10:00:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:48,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:48,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions. [2024-10-13 10:00:48,735 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7649769585253456 [2024-10-13 10:00:48,735 INFO L175 Difference]: Start difference. First operand has 167 places, 160 transitions, 342 flow. Second operand 3 states and 498 transitions. [2024-10-13 10:00:48,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 159 transitions, 376 flow [2024-10-13 10:00:48,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 159 transitions, 366 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 10:00:48,738 INFO L231 Difference]: Finished difference. Result has 163 places, 159 transitions, 334 flow [2024-10-13 10:00:48,738 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=163, PETRI_TRANSITIONS=159} [2024-10-13 10:00:48,739 INFO L277 CegarLoopForPetriNet]: 204 programPoint places, -41 predicate places. [2024-10-13 10:00:48,739 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 159 transitions, 334 flow [2024-10-13 10:00:48,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:48,740 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 10:00:48,740 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] [2024-10-13 10:00:48,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 10:00:48,741 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-10-13 10:00:48,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 10:00:48,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1861743937, now seen corresponding path program 1 times [2024-10-13 10:00:48,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 10:00:48,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399510068] [2024-10-13 10:00:48,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 10:00:48,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 10:00:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 10:00:48,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 10:00:48,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 10:00:48,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399510068] [2024-10-13 10:00:48,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399510068] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 10:00:48,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 10:00:48,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 10:00:48,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044473992] [2024-10-13 10:00:48,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 10:00:48,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 10:00:48,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 10:00:48,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 10:00:48,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 10:00:48,795 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 217 [2024-10-13 10:00:48,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 159 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:48,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 10:00:48,797 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 217 [2024-10-13 10:00:48,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 10:00:48,922 INFO L124 PetriNetUnfolderBase]: 246/861 cut-off events. [2024-10-13 10:00:48,923 INFO L125 PetriNetUnfolderBase]: For 82/82 co-relation queries the response was YES. [2024-10-13 10:00:48,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1350 conditions, 861 events. 246/861 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4914 event pairs, 56 based on Foata normal form. 0/774 useless extension candidates. Maximal degree in co-relation 1297. Up to 251 conditions per place. [2024-10-13 10:00:48,925 INFO L140 encePairwiseOnDemand]: 211/217 looper letters, 0 selfloop transitions, 0 changer transitions 168/168 dead transitions. [2024-10-13 10:00:48,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 168 transitions, 418 flow [2024-10-13 10:00:48,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 10:00:48,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 10:00:48,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 509 transitions. [2024-10-13 10:00:48,927 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7818740399385561 [2024-10-13 10:00:48,928 INFO L175 Difference]: Start difference. First operand has 163 places, 159 transitions, 334 flow. Second operand 3 states and 509 transitions. [2024-10-13 10:00:48,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 168 transitions, 418 flow [2024-10-13 10:00:48,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 168 transitions, 414 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 10:00:48,930 INFO L231 Difference]: Finished difference. Result has 161 places, 0 transitions, 0 flow [2024-10-13 10:00:48,930 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=161, PETRI_TRANSITIONS=0} [2024-10-13 10:00:48,932 INFO L277 CegarLoopForPetriNet]: 204 programPoint places, -43 predicate places. [2024-10-13 10:00:48,933 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 0 transitions, 0 flow [2024-10-13 10:00:48,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 10:00:48,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (74 of 75 remaining) [2024-10-13 10:00:48,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (73 of 75 remaining) [2024-10-13 10:00:48,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (72 of 75 remaining) [2024-10-13 10:00:48,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (71 of 75 remaining) [2024-10-13 10:00:48,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (70 of 75 remaining) [2024-10-13 10:00:48,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (69 of 75 remaining) [2024-10-13 10:00:48,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (68 of 75 remaining) [2024-10-13 10:00:48,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (67 of 75 remaining) [2024-10-13 10:00:48,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (66 of 75 remaining) [2024-10-13 10:00:48,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (65 of 75 remaining) [2024-10-13 10:00:48,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (64 of 75 remaining) [2024-10-13 10:00:48,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (63 of 75 remaining) [2024-10-13 10:00:48,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (62 of 75 remaining) [2024-10-13 10:00:48,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (61 of 75 remaining) [2024-10-13 10:00:48,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (60 of 75 remaining) [2024-10-13 10:00:48,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (59 of 75 remaining) [2024-10-13 10:00:48,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (58 of 75 remaining) [2024-10-13 10:00:48,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (57 of 75 remaining) [2024-10-13 10:00:48,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (56 of 75 remaining) [2024-10-13 10:00:48,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (55 of 75 remaining) [2024-10-13 10:00:48,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (54 of 75 remaining) [2024-10-13 10:00:48,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (53 of 75 remaining) [2024-10-13 10:00:48,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (52 of 75 remaining) [2024-10-13 10:00:48,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (51 of 75 remaining) [2024-10-13 10:00:48,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (50 of 75 remaining) [2024-10-13 10:00:48,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (49 of 75 remaining) [2024-10-13 10:00:48,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (48 of 75 remaining) [2024-10-13 10:00:48,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (47 of 75 remaining) [2024-10-13 10:00:48,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (46 of 75 remaining) [2024-10-13 10:00:48,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 75 remaining) [2024-10-13 10:00:48,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 75 remaining) [2024-10-13 10:00:48,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 75 remaining) [2024-10-13 10:00:48,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 75 remaining) [2024-10-13 10:00:48,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 75 remaining) [2024-10-13 10:00:48,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 75 remaining) [2024-10-13 10:00:48,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 75 remaining) [2024-10-13 10:00:48,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (38 of 75 remaining) [2024-10-13 10:00:48,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (37 of 75 remaining) [2024-10-13 10:00:48,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 75 remaining) [2024-10-13 10:00:48,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 75 remaining) [2024-10-13 10:00:48,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 75 remaining) [2024-10-13 10:00:48,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 75 remaining) [2024-10-13 10:00:48,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 75 remaining) [2024-10-13 10:00:48,947 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 75 remaining) [2024-10-13 10:00:48,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 75 remaining) [2024-10-13 10:00:48,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 75 remaining) [2024-10-13 10:00:48,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 75 remaining) [2024-10-13 10:00:48,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 75 remaining) [2024-10-13 10:00:48,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 75 remaining) [2024-10-13 10:00:48,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 75 remaining) [2024-10-13 10:00:48,949 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 75 remaining) [2024-10-13 10:00:48,950 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (23 of 75 remaining) [2024-10-13 10:00:48,950 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 75 remaining) [2024-10-13 10:00:48,950 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (21 of 75 remaining) [2024-10-13 10:00:48,950 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (20 of 75 remaining) [2024-10-13 10:00:48,950 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (19 of 75 remaining) [2024-10-13 10:00:48,950 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (18 of 75 remaining) [2024-10-13 10:00:48,950 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 75 remaining) [2024-10-13 10:00:48,950 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 75 remaining) [2024-10-13 10:00:48,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 75 remaining) [2024-10-13 10:00:48,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 75 remaining) [2024-10-13 10:00:48,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 75 remaining) [2024-10-13 10:00:48,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 75 remaining) [2024-10-13 10:00:48,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 75 remaining) [2024-10-13 10:00:48,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 75 remaining) [2024-10-13 10:00:48,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 75 remaining) [2024-10-13 10:00:48,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (8 of 75 remaining) [2024-10-13 10:00:48,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (7 of 75 remaining) [2024-10-13 10:00:48,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (6 of 75 remaining) [2024-10-13 10:00:48,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (5 of 75 remaining) [2024-10-13 10:00:48,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (4 of 75 remaining) [2024-10-13 10:00:48,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (3 of 75 remaining) [2024-10-13 10:00:48,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (2 of 75 remaining) [2024-10-13 10:00:48,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 75 remaining) [2024-10-13 10:00:48,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 75 remaining) [2024-10-13 10:00:48,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 10:00:48,954 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 10:00:48,962 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 10:00:48,962 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 10:00:48,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:00:48 BasicIcfg [2024-10-13 10:00:48,969 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 10:00:48,970 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 10:00:48,970 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 10:00:48,971 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 10:00:48,971 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:00:45" (3/4) ... [2024-10-13 10:00:48,972 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 10:00:48,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-13 10:00:48,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-13 10:00:48,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-13 10:00:48,980 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-10-13 10:00:48,981 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 10:00:48,981 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 10:00:48,982 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 10:00:49,076 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 10:00:49,076 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 10:00:49,076 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 10:00:49,077 INFO L158 Benchmark]: Toolchain (without parser) took 4662.98ms. Allocated memory was 174.1MB in the beginning and 253.8MB in the end (delta: 79.7MB). Free memory was 103.9MB in the beginning and 155.9MB in the end (delta: -52.0MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-10-13 10:00:49,077 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 10:00:49,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.91ms. Allocated memory is still 174.1MB. Free memory was 103.6MB in the beginning and 89.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 10:00:49,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.07ms. Allocated memory is still 174.1MB. Free memory was 89.4MB in the beginning and 86.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 10:00:49,078 INFO L158 Benchmark]: Boogie Preprocessor took 50.05ms. Allocated memory is still 174.1MB. Free memory was 86.9MB in the beginning and 84.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 10:00:49,078 INFO L158 Benchmark]: RCFGBuilder took 1157.85ms. Allocated memory is still 174.1MB. Free memory was 84.5MB in the beginning and 84.1MB in the end (delta: 369.2kB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-13 10:00:49,078 INFO L158 Benchmark]: TraceAbstraction took 3003.07ms. Allocated memory was 174.1MB in the beginning and 253.8MB in the end (delta: 79.7MB). Free memory was 83.4MB in the beginning and 161.1MB in the end (delta: -77.8MB). Peak memory consumption was 97.1MB. Max. memory is 16.1GB. [2024-10-13 10:00:49,079 INFO L158 Benchmark]: Witness Printer took 106.16ms. Allocated memory is still 253.8MB. Free memory was 161.1MB in the beginning and 155.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 10:00:49,081 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.91ms. Allocated memory is still 174.1MB. Free memory was 103.6MB in the beginning and 89.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.07ms. Allocated memory is still 174.1MB. Free memory was 89.4MB in the beginning and 86.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.05ms. Allocated memory is still 174.1MB. Free memory was 86.9MB in the beginning and 84.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1157.85ms. Allocated memory is still 174.1MB. Free memory was 84.5MB in the beginning and 84.1MB in the end (delta: 369.2kB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3003.07ms. Allocated memory was 174.1MB in the beginning and 253.8MB in the end (delta: 79.7MB). Free memory was 83.4MB in the beginning and 161.1MB in the end (delta: -77.8MB). Peak memory consumption was 97.1MB. Max. memory is 16.1GB. * Witness Printer took 106.16ms. Allocated memory is still 253.8MB. Free memory was 161.1MB in the beginning and 155.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: 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, 284 locations, 75 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: 2.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 158 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 356 IncrementalHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 30 mSDtfsCounter, 356 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=425occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 468 NumberOfCodeBlocks, 468 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 459 ConstructedInterpolants, 0 QuantifiedInterpolants, 590 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 40 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 10:00:49,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE