./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-proofs-counter-add-4-semi-Q67.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.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 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:34:06,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:34:06,263 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:34:06,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:34:06,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:34:06,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:34:06,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:34:06,305 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:34:06,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:34:06,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:34:06,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:34:06,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:34:06,309 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:34:06,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:34:06,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:34:06,310 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:34:06,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:34:06,313 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:34:06,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:34:06,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:34:06,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:34:06,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:34:06,315 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:34:06,315 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:34:06,315 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:34:06,316 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:34:06,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:34:06,320 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:34:06,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:34:06,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:34:06,321 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:34:06,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:34:06,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:34:06,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:34:06,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:34:06,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:34:06,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:34:06,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:34:06,322 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:34:06,322 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:34:06,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:34:06,325 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 [2024-10-24 15:34:06,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:34:06,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:34:06,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:34:06,625 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:34:06,626 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:34:06,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-10-24 15:34:08,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:34:08,245 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:34:08,246 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-10-24 15:34:08,255 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/282485444/6e4dbe832d6d4d6a8d81b92e4449a0a0/FLAG63c747796 [2024-10-24 15:34:08,275 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/282485444/6e4dbe832d6d4d6a8d81b92e4449a0a0 [2024-10-24 15:34:08,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:34:08,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:34:08,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:34:08,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:34:08,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:34:08,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:34:08" (1/1) ... [2024-10-24 15:34:08,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31417708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:08, skipping insertion in model container [2024-10-24 15:34:08,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:34:08" (1/1) ... [2024-10-24 15:34:08,310 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:34:08,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:34:08,514 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:34:08,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:34:08,564 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:34:08,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:08 WrapperNode [2024-10-24 15:34:08,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:34:08,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:34:08,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:34:08,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:34:08,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:08" (1/1) ... [2024-10-24 15:34:08,583 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:08" (1/1) ... [2024-10-24 15:34:08,617 INFO L138 Inliner]: procedures = 21, calls = 23, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 190 [2024-10-24 15:34:08,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:34:08,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:34:08,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:34:08,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:34:08,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:08" (1/1) ... [2024-10-24 15:34:08,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:08" (1/1) ... [2024-10-24 15:34:08,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:08" (1/1) ... [2024-10-24 15:34:08,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:08" (1/1) ... [2024-10-24 15:34:08,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:08" (1/1) ... [2024-10-24 15:34:08,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:08" (1/1) ... [2024-10-24 15:34:08,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:08" (1/1) ... [2024-10-24 15:34:08,658 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:08" (1/1) ... [2024-10-24 15:34:08,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:34:08,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:34:08,666 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:34:08,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:34:08,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:08" (1/1) ... [2024-10-24 15:34:08,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:34:08,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:34:08,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 15:34:08,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 15:34:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:34:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-24 15:34:08,755 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-24 15:34:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-24 15:34:08,755 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-24 15:34:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-24 15:34:08,755 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-24 15:34:08,755 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-24 15:34:08,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-24 15:34:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:34:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 15:34:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 15:34:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:34:08,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:34:08,759 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:34:08,890 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:34:08,893 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:34:09,320 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:34:09,320 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:34:09,475 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:34:09,475 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-24 15:34:09,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:34:09 BoogieIcfgContainer [2024-10-24 15:34:09,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:34:09,478 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:34:09,478 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:34:09,482 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:34:09,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:34:08" (1/3) ... [2024-10-24 15:34:09,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718cea27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:34:09, skipping insertion in model container [2024-10-24 15:34:09,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:34:08" (2/3) ... [2024-10-24 15:34:09,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718cea27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:34:09, skipping insertion in model container [2024-10-24 15:34:09,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:34:09" (3/3) ... [2024-10-24 15:34:09,485 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2024-10-24 15:34:09,499 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:34:09,500 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2024-10-24 15:34:09,500 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:34:09,579 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-24 15:34:09,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 215 places, 214 transitions, 456 flow [2024-10-24 15:34:09,702 INFO L124 PetriNetUnfolderBase]: 12/210 cut-off events. [2024-10-24 15:34:09,703 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-24 15:34:09,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 210 events. 12/210 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 270 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 172. Up to 2 conditions per place. [2024-10-24 15:34:09,717 INFO L82 GeneralOperation]: Start removeDead. Operand has 215 places, 214 transitions, 456 flow [2024-10-24 15:34:09,724 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 195 places, 193 transitions, 410 flow [2024-10-24 15:34:09,739 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:34:09,745 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;@13dbee5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:34:09,746 INFO L334 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2024-10-24 15:34:09,752 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:34:09,752 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-10-24 15:34:09,752 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:34:09,752 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:09,753 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] [2024-10-24 15:34:09,753 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-10-24 15:34:09,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:09,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1864577438, now seen corresponding path program 1 times [2024-10-24 15:34:09,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:09,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71988828] [2024-10-24 15:34:09,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:09,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:09,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:09,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:09,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71988828] [2024-10-24 15:34:09,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71988828] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:09,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:09,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:09,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955417186] [2024-10-24 15:34:09,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:09,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:09,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:09,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:09,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:10,041 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 214 [2024-10-24 15:34:10,045 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 193 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:10,045 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:10,045 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 214 [2024-10-24 15:34:10,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:10,329 INFO L124 PetriNetUnfolderBase]: 158/704 cut-off events. [2024-10-24 15:34:10,329 INFO L125 PetriNetUnfolderBase]: For 65/66 co-relation queries the response was YES. [2024-10-24 15:34:10,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 990 conditions, 704 events. 158/704 cut-off events. For 65/66 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3538 event pairs, 66 based on Foata normal form. 157/725 useless extension candidates. Maximal degree in co-relation 791. Up to 219 conditions per place. [2024-10-24 15:34:10,341 INFO L140 encePairwiseOnDemand]: 188/214 looper letters, 19 selfloop transitions, 2 changer transitions 1/169 dead transitions. [2024-10-24 15:34:10,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 169 transitions, 404 flow [2024-10-24 15:34:10,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:10,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:10,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2024-10-24 15:34:10,360 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8457943925233645 [2024-10-24 15:34:10,364 INFO L175 Difference]: Start difference. First operand has 195 places, 193 transitions, 410 flow. Second operand 3 states and 543 transitions. [2024-10-24 15:34:10,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 169 transitions, 404 flow [2024-10-24 15:34:10,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 169 transitions, 388 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-10-24 15:34:10,374 INFO L231 Difference]: Finished difference. Result has 170 places, 168 transitions, 348 flow [2024-10-24 15:34:10,377 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=168, 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=348, PETRI_PLACES=170, PETRI_TRANSITIONS=168} [2024-10-24 15:34:10,382 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -25 predicate places. [2024-10-24 15:34:10,385 INFO L471 AbstractCegarLoop]: Abstraction has has 170 places, 168 transitions, 348 flow [2024-10-24 15:34:10,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:10,386 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:10,386 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] [2024-10-24 15:34:10,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:34:10,386 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-10-24 15:34:10,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:10,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1039835187, now seen corresponding path program 1 times [2024-10-24 15:34:10,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:10,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361339562] [2024-10-24 15:34:10,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:10,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:10,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:10,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:10,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361339562] [2024-10-24 15:34:10,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361339562] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:10,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:10,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:10,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390221905] [2024-10-24 15:34:10,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:10,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:10,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:10,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:10,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:10,505 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 214 [2024-10-24 15:34:10,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 168 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:10,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:10,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 214 [2024-10-24 15:34:10,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:10,639 INFO L124 PetriNetUnfolderBase]: 176/758 cut-off events. [2024-10-24 15:34:10,640 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-10-24 15:34:10,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1020 conditions, 758 events. 176/758 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3825 event pairs, 72 based on Foata normal form. 0/607 useless extension candidates. Maximal degree in co-relation 985. Up to 238 conditions per place. [2024-10-24 15:34:10,653 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 17 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2024-10-24 15:34:10,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 167 transitions, 384 flow [2024-10-24 15:34:10,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:10,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:10,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 524 transitions. [2024-10-24 15:34:10,656 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8161993769470405 [2024-10-24 15:34:10,656 INFO L175 Difference]: Start difference. First operand has 170 places, 168 transitions, 348 flow. Second operand 3 states and 524 transitions. [2024-10-24 15:34:10,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 167 transitions, 384 flow [2024-10-24 15:34:10,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 167 transitions, 380 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:10,665 INFO L231 Difference]: Finished difference. Result has 168 places, 167 transitions, 346 flow [2024-10-24 15:34:10,668 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=168, PETRI_TRANSITIONS=167} [2024-10-24 15:34:10,668 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -27 predicate places. [2024-10-24 15:34:10,669 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 167 transitions, 346 flow [2024-10-24 15:34:10,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:10,670 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:10,671 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] [2024-10-24 15:34:10,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:34:10,671 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-10-24 15:34:10,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:10,672 INFO L85 PathProgramCache]: Analyzing trace with hash -906468840, now seen corresponding path program 1 times [2024-10-24 15:34:10,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:10,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819868302] [2024-10-24 15:34:10,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:10,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:10,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:10,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:10,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819868302] [2024-10-24 15:34:10,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819868302] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:10,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:10,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:10,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719389592] [2024-10-24 15:34:10,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:10,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:10,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:10,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:10,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:10,775 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 214 [2024-10-24 15:34:10,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 167 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:10,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:10,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 214 [2024-10-24 15:34:10,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:10,919 INFO L124 PetriNetUnfolderBase]: 180/688 cut-off events. [2024-10-24 15:34:10,919 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-10-24 15:34:10,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 952 conditions, 688 events. 180/688 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3392 event pairs, 72 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 909. Up to 242 conditions per place. [2024-10-24 15:34:10,925 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 17 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2024-10-24 15:34:10,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 166 transitions, 382 flow [2024-10-24 15:34:10,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:10,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:10,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 524 transitions. [2024-10-24 15:34:10,928 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8161993769470405 [2024-10-24 15:34:10,928 INFO L175 Difference]: Start difference. First operand has 168 places, 167 transitions, 346 flow. Second operand 3 states and 524 transitions. [2024-10-24 15:34:10,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 166 transitions, 382 flow [2024-10-24 15:34:10,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 166 transitions, 378 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:10,933 INFO L231 Difference]: Finished difference. Result has 167 places, 166 transitions, 344 flow [2024-10-24 15:34:10,933 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=167, PETRI_TRANSITIONS=166} [2024-10-24 15:34:10,934 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -28 predicate places. [2024-10-24 15:34:10,934 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 166 transitions, 344 flow [2024-10-24 15:34:10,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:10,935 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:10,935 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] [2024-10-24 15:34:10,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:34:10,935 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-10-24 15:34:10,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:10,936 INFO L85 PathProgramCache]: Analyzing trace with hash 867183828, now seen corresponding path program 1 times [2024-10-24 15:34:10,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:10,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155090646] [2024-10-24 15:34:10,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:10,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:11,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:11,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:11,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155090646] [2024-10-24 15:34:11,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155090646] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:11,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:11,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:11,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345775806] [2024-10-24 15:34:11,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:11,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:11,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:11,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:11,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:11,027 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 214 [2024-10-24 15:34:11,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 166 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:11,028 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:11,028 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 214 [2024-10-24 15:34:11,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:11,130 INFO L124 PetriNetUnfolderBase]: 171/679 cut-off events. [2024-10-24 15:34:11,131 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-10-24 15:34:11,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 927 conditions, 679 events. 171/679 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3258 event pairs, 65 based on Foata normal form. 0/562 useless extension candidates. Maximal degree in co-relation 876. Up to 230 conditions per place. [2024-10-24 15:34:11,138 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 17 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2024-10-24 15:34:11,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 165 transitions, 380 flow [2024-10-24 15:34:11,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:11,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:11,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 524 transitions. [2024-10-24 15:34:11,141 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8161993769470405 [2024-10-24 15:34:11,141 INFO L175 Difference]: Start difference. First operand has 167 places, 166 transitions, 344 flow. Second operand 3 states and 524 transitions. [2024-10-24 15:34:11,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 165 transitions, 380 flow [2024-10-24 15:34:11,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 165 transitions, 376 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:11,144 INFO L231 Difference]: Finished difference. Result has 166 places, 165 transitions, 342 flow [2024-10-24 15:34:11,144 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=164, 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=342, PETRI_PLACES=166, PETRI_TRANSITIONS=165} [2024-10-24 15:34:11,146 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -29 predicate places. [2024-10-24 15:34:11,146 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 165 transitions, 342 flow [2024-10-24 15:34:11,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:11,147 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:11,147 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] [2024-10-24 15:34:11,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:34:11,147 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-10-24 15:34:11,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:11,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1417866872, now seen corresponding path program 1 times [2024-10-24 15:34:11,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:11,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612865582] [2024-10-24 15:34:11,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:11,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:11,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:11,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612865582] [2024-10-24 15:34:11,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612865582] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:11,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:11,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:11,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384449629] [2024-10-24 15:34:11,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:11,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:11,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:11,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:11,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:11,235 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 214 [2024-10-24 15:34:11,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 165 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:11,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:11,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 214 [2024-10-24 15:34:11,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:11,384 INFO L124 PetriNetUnfolderBase]: 199/867 cut-off events. [2024-10-24 15:34:11,385 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-10-24 15:34:11,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1173 conditions, 867 events. 199/867 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4941 event pairs, 90 based on Foata normal form. 0/698 useless extension candidates. Maximal degree in co-relation 1114. Up to 274 conditions per place. [2024-10-24 15:34:11,392 INFO L140 encePairwiseOnDemand]: 209/214 looper letters, 20 selfloop transitions, 1 changer transitions 0/161 dead transitions. [2024-10-24 15:34:11,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 161 transitions, 376 flow [2024-10-24 15:34:11,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:11,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:11,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 517 transitions. [2024-10-24 15:34:11,395 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8052959501557633 [2024-10-24 15:34:11,395 INFO L175 Difference]: Start difference. First operand has 166 places, 165 transitions, 342 flow. Second operand 3 states and 517 transitions. [2024-10-24 15:34:11,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 161 transitions, 376 flow [2024-10-24 15:34:11,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 161 transitions, 372 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:11,398 INFO L231 Difference]: Finished difference. Result has 162 places, 161 transitions, 332 flow [2024-10-24 15:34:11,398 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=160, 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=332, PETRI_PLACES=162, PETRI_TRANSITIONS=161} [2024-10-24 15:34:11,400 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -33 predicate places. [2024-10-24 15:34:11,400 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 161 transitions, 332 flow [2024-10-24 15:34:11,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:11,401 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:11,401 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] [2024-10-24 15:34:11,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:34:11,402 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-10-24 15:34:11,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:11,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1065452387, now seen corresponding path program 1 times [2024-10-24 15:34:11,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:11,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546004254] [2024-10-24 15:34:11,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:11,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:11,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:11,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546004254] [2024-10-24 15:34:11,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546004254] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:11,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:11,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:11,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856306664] [2024-10-24 15:34:11,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:11,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:11,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:11,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:11,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:11,474 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 214 [2024-10-24 15:34:11,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 161 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:11,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:11,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 214 [2024-10-24 15:34:11,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:11,614 INFO L124 PetriNetUnfolderBase]: 232/875 cut-off events. [2024-10-24 15:34:11,615 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-10-24 15:34:11,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1213 conditions, 875 events. 232/875 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4805 event pairs, 103 based on Foata normal form. 0/712 useless extension candidates. Maximal degree in co-relation 1154. Up to 309 conditions per place. [2024-10-24 15:34:11,625 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 16 selfloop transitions, 1 changer transitions 0/159 dead transitions. [2024-10-24 15:34:11,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 159 transitions, 362 flow [2024-10-24 15:34:11,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:11,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:11,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 529 transitions. [2024-10-24 15:34:11,627 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.82398753894081 [2024-10-24 15:34:11,628 INFO L175 Difference]: Start difference. First operand has 162 places, 161 transitions, 332 flow. Second operand 3 states and 529 transitions. [2024-10-24 15:34:11,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 159 transitions, 362 flow [2024-10-24 15:34:11,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 159 transitions, 361 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:34:11,631 INFO L231 Difference]: Finished difference. Result has 161 places, 159 transitions, 329 flow [2024-10-24 15:34:11,632 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=329, PETRI_PLACES=161, PETRI_TRANSITIONS=159} [2024-10-24 15:34:11,634 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -34 predicate places. [2024-10-24 15:34:11,634 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 159 transitions, 329 flow [2024-10-24 15:34:11,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:11,634 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:11,635 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] [2024-10-24 15:34:11,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:34:11,635 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-10-24 15:34:11,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:11,636 INFO L85 PathProgramCache]: Analyzing trace with hash -931814418, now seen corresponding path program 1 times [2024-10-24 15:34:11,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:11,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205871210] [2024-10-24 15:34:11,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:11,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:11,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:11,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:11,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205871210] [2024-10-24 15:34:11,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205871210] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:11,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:11,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:11,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967214571] [2024-10-24 15:34:11,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:11,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:11,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:11,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:11,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:11,707 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 214 [2024-10-24 15:34:11,708 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 159 transitions, 329 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:11,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:11,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 214 [2024-10-24 15:34:11,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:11,877 INFO L124 PetriNetUnfolderBase]: 300/998 cut-off events. [2024-10-24 15:34:11,878 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2024-10-24 15:34:11,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1431 conditions, 998 events. 300/998 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 5550 event pairs, 28 based on Foata normal form. 0/866 useless extension candidates. Maximal degree in co-relation 1372. Up to 332 conditions per place. [2024-10-24 15:34:11,890 INFO L140 encePairwiseOnDemand]: 210/214 looper letters, 25 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2024-10-24 15:34:11,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 167 transitions, 405 flow [2024-10-24 15:34:11,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:11,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:11,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 539 transitions. [2024-10-24 15:34:11,892 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.839563862928349 [2024-10-24 15:34:11,892 INFO L175 Difference]: Start difference. First operand has 161 places, 159 transitions, 329 flow. Second operand 3 states and 539 transitions. [2024-10-24 15:34:11,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 167 transitions, 405 flow [2024-10-24 15:34:11,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 167 transitions, 404 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:34:11,896 INFO L231 Difference]: Finished difference. Result has 161 places, 158 transitions, 334 flow [2024-10-24 15:34:11,896 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=161, PETRI_TRANSITIONS=158} [2024-10-24 15:34:11,897 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -34 predicate places. [2024-10-24 15:34:11,897 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 158 transitions, 334 flow [2024-10-24 15:34:11,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:11,898 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:11,898 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] [2024-10-24 15:34:11,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:34:11,899 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-10-24 15:34:11,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:11,900 INFO L85 PathProgramCache]: Analyzing trace with hash 575161153, now seen corresponding path program 1 times [2024-10-24 15:34:11,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:11,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417544706] [2024-10-24 15:34:11,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:11,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:11,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:11,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:11,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417544706] [2024-10-24 15:34:11,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417544706] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:11,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:11,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 15:34:11,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860667957] [2024-10-24 15:34:11,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:11,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 15:34:11,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:11,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 15:34:11,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 15:34:11,985 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 214 [2024-10-24 15:34:11,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 158 transitions, 334 flow. Second operand has 4 states, 4 states have (on average 166.25) internal successors, (665), 4 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:11,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:11,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 214 [2024-10-24 15:34:11,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:12,132 INFO L124 PetriNetUnfolderBase]: 169/842 cut-off events. [2024-10-24 15:34:12,132 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-10-24 15:34:12,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1132 conditions, 842 events. 169/842 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 4644 event pairs, 54 based on Foata normal form. 0/726 useless extension candidates. Maximal degree in co-relation 1073. Up to 241 conditions per place. [2024-10-24 15:34:12,140 INFO L140 encePairwiseOnDemand]: 208/214 looper letters, 23 selfloop transitions, 5 changer transitions 0/163 dead transitions. [2024-10-24 15:34:12,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 163 transitions, 400 flow [2024-10-24 15:34:12,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 15:34:12,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-24 15:34:12,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 854 transitions. [2024-10-24 15:34:12,143 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7981308411214953 [2024-10-24 15:34:12,144 INFO L175 Difference]: Start difference. First operand has 161 places, 158 transitions, 334 flow. Second operand 5 states and 854 transitions. [2024-10-24 15:34:12,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 163 transitions, 400 flow [2024-10-24 15:34:12,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 163 transitions, 400 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:34:12,147 INFO L231 Difference]: Finished difference. Result has 169 places, 162 transitions, 372 flow [2024-10-24 15:34:12,147 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=372, PETRI_PLACES=169, PETRI_TRANSITIONS=162} [2024-10-24 15:34:12,149 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -26 predicate places. [2024-10-24 15:34:12,150 INFO L471 AbstractCegarLoop]: Abstraction has has 169 places, 162 transitions, 372 flow [2024-10-24 15:34:12,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 166.25) internal successors, (665), 4 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:12,151 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:12,151 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:12,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:34:12,154 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-10-24 15:34:12,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:12,155 INFO L85 PathProgramCache]: Analyzing trace with hash -408288403, now seen corresponding path program 1 times [2024-10-24 15:34:12,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:12,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178056136] [2024-10-24 15:34:12,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:12,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:12,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:12,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:12,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178056136] [2024-10-24 15:34:12,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178056136] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:12,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:12,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:12,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660625902] [2024-10-24 15:34:12,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:12,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:12,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:12,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:12,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:12,228 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 214 [2024-10-24 15:34:12,229 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 162 transitions, 372 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:12,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:12,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 214 [2024-10-24 15:34:12,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:12,421 INFO L124 PetriNetUnfolderBase]: 376/1322 cut-off events. [2024-10-24 15:34:12,422 INFO L125 PetriNetUnfolderBase]: For 91/91 co-relation queries the response was YES. [2024-10-24 15:34:12,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1915 conditions, 1322 events. 376/1322 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 8390 event pairs, 50 based on Foata normal form. 0/1160 useless extension candidates. Maximal degree in co-relation 1852. Up to 382 conditions per place. [2024-10-24 15:34:12,437 INFO L140 encePairwiseOnDemand]: 210/214 looper letters, 26 selfloop transitions, 2 changer transitions 0/171 dead transitions. [2024-10-24 15:34:12,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 171 transitions, 453 flow [2024-10-24 15:34:12,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:12,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:12,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 540 transitions. [2024-10-24 15:34:12,439 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8411214953271028 [2024-10-24 15:34:12,439 INFO L175 Difference]: Start difference. First operand has 169 places, 162 transitions, 372 flow. Second operand 3 states and 540 transitions. [2024-10-24 15:34:12,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 171 transitions, 453 flow [2024-10-24 15:34:12,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 171 transitions, 453 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:34:12,444 INFO L231 Difference]: Finished difference. Result has 170 places, 161 transitions, 378 flow [2024-10-24 15:34:12,444 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=378, PETRI_PLACES=170, PETRI_TRANSITIONS=161} [2024-10-24 15:34:12,446 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -25 predicate places. [2024-10-24 15:34:12,446 INFO L471 AbstractCegarLoop]: Abstraction has has 170 places, 161 transitions, 378 flow [2024-10-24 15:34:12,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:12,447 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:12,447 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] [2024-10-24 15:34:12,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:34:12,448 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-10-24 15:34:12,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:12,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1056132894, now seen corresponding path program 1 times [2024-10-24 15:34:12,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:12,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349685023] [2024-10-24 15:34:12,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:12,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:12,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:12,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:12,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349685023] [2024-10-24 15:34:12,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349685023] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:12,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:12,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:12,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339217177] [2024-10-24 15:34:12,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:12,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:12,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:12,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:12,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:12,519 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 214 [2024-10-24 15:34:12,520 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 161 transitions, 378 flow. Second operand has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:12,520 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:12,520 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 214 [2024-10-24 15:34:12,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:12,720 INFO L124 PetriNetUnfolderBase]: 363/1373 cut-off events. [2024-10-24 15:34:12,720 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-10-24 15:34:12,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2029 conditions, 1373 events. 363/1373 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 9217 event pairs, 61 based on Foata normal form. 0/1193 useless extension candidates. Maximal degree in co-relation 1966. Up to 340 conditions per place. [2024-10-24 15:34:12,731 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 18 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2024-10-24 15:34:12,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 166 transitions, 431 flow [2024-10-24 15:34:12,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:12,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:12,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2024-10-24 15:34:12,733 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8457943925233645 [2024-10-24 15:34:12,733 INFO L175 Difference]: Start difference. First operand has 170 places, 161 transitions, 378 flow. Second operand 3 states and 543 transitions. [2024-10-24 15:34:12,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 166 transitions, 431 flow [2024-10-24 15:34:12,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 166 transitions, 431 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:34:12,736 INFO L231 Difference]: Finished difference. Result has 171 places, 160 transitions, 380 flow [2024-10-24 15:34:12,737 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=171, PETRI_TRANSITIONS=160} [2024-10-24 15:34:12,737 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -24 predicate places. [2024-10-24 15:34:12,737 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 160 transitions, 380 flow [2024-10-24 15:34:12,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:12,738 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:12,738 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] [2024-10-24 15:34:12,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:34:12,739 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-10-24 15:34:12,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:12,739 INFO L85 PathProgramCache]: Analyzing trace with hash -288394410, now seen corresponding path program 1 times [2024-10-24 15:34:12,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:12,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720906080] [2024-10-24 15:34:12,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:12,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:12,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:12,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:12,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720906080] [2024-10-24 15:34:12,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720906080] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:12,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:12,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:12,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076356474] [2024-10-24 15:34:12,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:12,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:12,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:12,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:12,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:12,793 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 214 [2024-10-24 15:34:12,793 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 160 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:12,793 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:12,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 214 [2024-10-24 15:34:12,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:12,982 INFO L124 PetriNetUnfolderBase]: 416/1381 cut-off events. [2024-10-24 15:34:12,982 INFO L125 PetriNetUnfolderBase]: For 200/200 co-relation queries the response was YES. [2024-10-24 15:34:12,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2235 conditions, 1381 events. 416/1381 cut-off events. For 200/200 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 9058 event pairs, 75 based on Foata normal form. 0/1221 useless extension candidates. Maximal degree in co-relation 2171. Up to 344 conditions per place. [2024-10-24 15:34:12,999 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 18 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2024-10-24 15:34:13,000 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 165 transitions, 435 flow [2024-10-24 15:34:13,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:13,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:13,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2024-10-24 15:34:13,002 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8457943925233645 [2024-10-24 15:34:13,002 INFO L175 Difference]: Start difference. First operand has 171 places, 160 transitions, 380 flow. Second operand 3 states and 543 transitions. [2024-10-24 15:34:13,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 165 transitions, 435 flow [2024-10-24 15:34:13,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 165 transitions, 429 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:13,008 INFO L231 Difference]: Finished difference. Result has 170 places, 159 transitions, 378 flow [2024-10-24 15:34:13,009 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=168, 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=378, PETRI_PLACES=170, PETRI_TRANSITIONS=159} [2024-10-24 15:34:13,010 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -25 predicate places. [2024-10-24 15:34:13,010 INFO L471 AbstractCegarLoop]: Abstraction has has 170 places, 159 transitions, 378 flow [2024-10-24 15:34:13,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:13,011 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:13,011 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] [2024-10-24 15:34:13,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 15:34:13,012 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-10-24 15:34:13,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:13,013 INFO L85 PathProgramCache]: Analyzing trace with hash -499908489, now seen corresponding path program 1 times [2024-10-24 15:34:13,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:13,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379953290] [2024-10-24 15:34:13,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:13,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:13,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:13,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:13,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379953290] [2024-10-24 15:34:13,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379953290] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:13,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:13,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:13,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007408213] [2024-10-24 15:34:13,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:13,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:13,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:13,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:13,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:13,063 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 214 [2024-10-24 15:34:13,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 159 transitions, 378 flow. Second operand has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:13,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:13,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 214 [2024-10-24 15:34:13,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:13,255 INFO L124 PetriNetUnfolderBase]: 507/1401 cut-off events. [2024-10-24 15:34:13,255 INFO L125 PetriNetUnfolderBase]: For 265/265 co-relation queries the response was YES. [2024-10-24 15:34:13,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2419 conditions, 1401 events. 507/1401 cut-off events. For 265/265 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 8634 event pairs, 79 based on Foata normal form. 0/1274 useless extension candidates. Maximal degree in co-relation 2355. Up to 399 conditions per place. [2024-10-24 15:34:13,265 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 18 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2024-10-24 15:34:13,265 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 164 transitions, 433 flow [2024-10-24 15:34:13,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:13,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:13,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2024-10-24 15:34:13,268 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8457943925233645 [2024-10-24 15:34:13,268 INFO L175 Difference]: Start difference. First operand has 170 places, 159 transitions, 378 flow. Second operand 3 states and 543 transitions. [2024-10-24 15:34:13,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 164 transitions, 433 flow [2024-10-24 15:34:13,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 164 transitions, 427 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:13,273 INFO L231 Difference]: Finished difference. Result has 169 places, 158 transitions, 376 flow [2024-10-24 15:34:13,274 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=376, PETRI_PLACES=169, PETRI_TRANSITIONS=158} [2024-10-24 15:34:13,274 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -26 predicate places. [2024-10-24 15:34:13,274 INFO L471 AbstractCegarLoop]: Abstraction has has 169 places, 158 transitions, 376 flow [2024-10-24 15:34:13,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:13,275 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:13,275 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:13,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 15:34:13,275 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-10-24 15:34:13,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:13,276 INFO L85 PathProgramCache]: Analyzing trace with hash 157805825, now seen corresponding path program 1 times [2024-10-24 15:34:13,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:13,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852475577] [2024-10-24 15:34:13,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:13,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:13,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:13,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:13,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852475577] [2024-10-24 15:34:13,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852475577] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:13,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:13,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:13,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582990800] [2024-10-24 15:34:13,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:13,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:13,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:13,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:13,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:13,317 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 214 [2024-10-24 15:34:13,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 158 transitions, 376 flow. Second operand has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:13,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:13,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 214 [2024-10-24 15:34:13,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:13,497 INFO L124 PetriNetUnfolderBase]: 520/1484 cut-off events. [2024-10-24 15:34:13,497 INFO L125 PetriNetUnfolderBase]: For 257/257 co-relation queries the response was YES. [2024-10-24 15:34:13,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2463 conditions, 1484 events. 520/1484 cut-off events. For 257/257 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 9377 event pairs, 79 based on Foata normal form. 0/1365 useless extension candidates. Maximal degree in co-relation 2399. Up to 375 conditions per place. [2024-10-24 15:34:13,512 INFO L140 encePairwiseOnDemand]: 211/214 looper letters, 18 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2024-10-24 15:34:13,513 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 163 transitions, 431 flow [2024-10-24 15:34:13,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:13,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:13,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2024-10-24 15:34:13,514 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8457943925233645 [2024-10-24 15:34:13,515 INFO L175 Difference]: Start difference. First operand has 169 places, 158 transitions, 376 flow. Second operand 3 states and 543 transitions. [2024-10-24 15:34:13,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 163 transitions, 431 flow [2024-10-24 15:34:13,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 163 transitions, 425 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:13,519 INFO L231 Difference]: Finished difference. Result has 168 places, 157 transitions, 374 flow [2024-10-24 15:34:13,519 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=374, PETRI_PLACES=168, PETRI_TRANSITIONS=157} [2024-10-24 15:34:13,520 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -27 predicate places. [2024-10-24 15:34:13,520 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 157 transitions, 374 flow [2024-10-24 15:34:13,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:13,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:34:13,521 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:13,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 15:34:13,522 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2024-10-24 15:34:13,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:34:13,522 INFO L85 PathProgramCache]: Analyzing trace with hash 78336475, now seen corresponding path program 1 times [2024-10-24 15:34:13,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:34:13,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199722738] [2024-10-24 15:34:13,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:34:13,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:34:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:34:13,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:34:13,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:34:13,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199722738] [2024-10-24 15:34:13,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199722738] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:34:13,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:34:13,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:34:13,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105798186] [2024-10-24 15:34:13,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:34:13,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:34:13,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:34:13,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:34:13,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:34:13,581 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 214 [2024-10-24 15:34:13,581 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 157 transitions, 374 flow. Second operand has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:13,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:34:13,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 214 [2024-10-24 15:34:13,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:34:13,708 INFO L124 PetriNetUnfolderBase]: 220/1023 cut-off events. [2024-10-24 15:34:13,708 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2024-10-24 15:34:13,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1464 conditions, 1023 events. 220/1023 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 6213 event pairs, 79 based on Foata normal form. 1/952 useless extension candidates. Maximal degree in co-relation 1400. Up to 307 conditions per place. [2024-10-24 15:34:13,713 INFO L140 encePairwiseOnDemand]: 212/214 looper letters, 0 selfloop transitions, 0 changer transitions 156/156 dead transitions. [2024-10-24 15:34:13,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 156 transitions, 398 flow [2024-10-24 15:34:13,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:34:13,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:34:13,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 536 transitions. [2024-10-24 15:34:13,715 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8348909657320872 [2024-10-24 15:34:13,716 INFO L175 Difference]: Start difference. First operand has 168 places, 157 transitions, 374 flow. Second operand 3 states and 536 transitions. [2024-10-24 15:34:13,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 156 transitions, 398 flow [2024-10-24 15:34:13,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 156 transitions, 394 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:34:13,718 INFO L231 Difference]: Finished difference. Result has 167 places, 0 transitions, 0 flow [2024-10-24 15:34:13,719 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=167, PETRI_TRANSITIONS=0} [2024-10-24 15:34:13,719 INFO L277 CegarLoopForPetriNet]: 195 programPoint places, -28 predicate places. [2024-10-24 15:34:13,719 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 0 transitions, 0 flow [2024-10-24 15:34:13,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:34:13,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (66 of 67 remaining) [2024-10-24 15:34:13,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (65 of 67 remaining) [2024-10-24 15:34:13,723 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (64 of 67 remaining) [2024-10-24 15:34:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (63 of 67 remaining) [2024-10-24 15:34:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (62 of 67 remaining) [2024-10-24 15:34:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (61 of 67 remaining) [2024-10-24 15:34:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (60 of 67 remaining) [2024-10-24 15:34:13,724 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (59 of 67 remaining) [2024-10-24 15:34:13,725 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (58 of 67 remaining) [2024-10-24 15:34:13,725 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (57 of 67 remaining) [2024-10-24 15:34:13,725 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (56 of 67 remaining) [2024-10-24 15:34:13,725 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (55 of 67 remaining) [2024-10-24 15:34:13,725 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (54 of 67 remaining) [2024-10-24 15:34:13,726 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (53 of 67 remaining) [2024-10-24 15:34:13,726 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (52 of 67 remaining) [2024-10-24 15:34:13,726 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (51 of 67 remaining) [2024-10-24 15:34:13,726 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (50 of 67 remaining) [2024-10-24 15:34:13,726 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (49 of 67 remaining) [2024-10-24 15:34:13,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (48 of 67 remaining) [2024-10-24 15:34:13,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (47 of 67 remaining) [2024-10-24 15:34:13,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 67 remaining) [2024-10-24 15:34:13,727 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (45 of 67 remaining) [2024-10-24 15:34:13,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (44 of 67 remaining) [2024-10-24 15:34:13,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (43 of 67 remaining) [2024-10-24 15:34:13,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (42 of 67 remaining) [2024-10-24 15:34:13,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (41 of 67 remaining) [2024-10-24 15:34:13,728 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (40 of 67 remaining) [2024-10-24 15:34:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (39 of 67 remaining) [2024-10-24 15:34:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (38 of 67 remaining) [2024-10-24 15:34:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (37 of 67 remaining) [2024-10-24 15:34:13,729 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 67 remaining) [2024-10-24 15:34:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 67 remaining) [2024-10-24 15:34:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 67 remaining) [2024-10-24 15:34:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 67 remaining) [2024-10-24 15:34:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (32 of 67 remaining) [2024-10-24 15:34:13,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (31 of 67 remaining) [2024-10-24 15:34:13,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (30 of 67 remaining) [2024-10-24 15:34:13,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (29 of 67 remaining) [2024-10-24 15:34:13,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (28 of 67 remaining) [2024-10-24 15:34:13,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (27 of 67 remaining) [2024-10-24 15:34:13,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (26 of 67 remaining) [2024-10-24 15:34:13,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (25 of 67 remaining) [2024-10-24 15:34:13,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (24 of 67 remaining) [2024-10-24 15:34:13,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (23 of 67 remaining) [2024-10-24 15:34:13,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (22 of 67 remaining) [2024-10-24 15:34:13,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (21 of 67 remaining) [2024-10-24 15:34:13,732 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (20 of 67 remaining) [2024-10-24 15:34:13,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 67 remaining) [2024-10-24 15:34:13,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 67 remaining) [2024-10-24 15:34:13,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (17 of 67 remaining) [2024-10-24 15:34:13,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (16 of 67 remaining) [2024-10-24 15:34:13,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 67 remaining) [2024-10-24 15:34:13,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 67 remaining) [2024-10-24 15:34:13,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 67 remaining) [2024-10-24 15:34:13,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (12 of 67 remaining) [2024-10-24 15:34:13,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (11 of 67 remaining) [2024-10-24 15:34:13,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (10 of 67 remaining) [2024-10-24 15:34:13,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (9 of 67 remaining) [2024-10-24 15:34:13,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (8 of 67 remaining) [2024-10-24 15:34:13,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (7 of 67 remaining) [2024-10-24 15:34:13,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (6 of 67 remaining) [2024-10-24 15:34:13,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (5 of 67 remaining) [2024-10-24 15:34:13,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (4 of 67 remaining) [2024-10-24 15:34:13,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (3 of 67 remaining) [2024-10-24 15:34:13,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (2 of 67 remaining) [2024-10-24 15:34:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (1 of 67 remaining) [2024-10-24 15:34:13,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (0 of 67 remaining) [2024-10-24 15:34:13,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 15:34:13,737 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:34:13,742 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:34:13,743 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:34:13,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:34:13 BasicIcfg [2024-10-24 15:34:13,748 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:34:13,748 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:34:13,748 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:34:13,748 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:34:13,749 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:34:09" (3/4) ... [2024-10-24 15:34:13,750 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:34:13,753 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-24 15:34:13,753 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-24 15:34:13,753 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-24 15:34:13,754 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-10-24 15:34:13,758 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-24 15:34:13,758 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 15:34:13,759 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-24 15:34:13,759 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:34:13,859 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:34:13,860 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:34:13,860 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:34:13,864 INFO L158 Benchmark]: Toolchain (without parser) took 5585.90ms. Allocated memory was 197.1MB in the beginning and 411.0MB in the end (delta: 213.9MB). Free memory was 143.6MB in the beginning and 349.5MB in the end (delta: -205.9MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-10-24 15:34:13,865 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:34:13,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.80ms. Allocated memory is still 197.1MB. Free memory was 143.6MB in the beginning and 129.8MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 15:34:13,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.13ms. Allocated memory is still 197.1MB. Free memory was 129.8MB in the beginning and 127.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:34:13,865 INFO L158 Benchmark]: Boogie Preprocessor took 47.15ms. Allocated memory is still 197.1MB. Free memory was 127.8MB in the beginning and 126.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:34:13,865 INFO L158 Benchmark]: RCFGBuilder took 809.94ms. Allocated memory is still 197.1MB. Free memory was 126.3MB in the beginning and 142.8MB in the end (delta: -16.5MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-10-24 15:34:13,866 INFO L158 Benchmark]: TraceAbstraction took 4269.83ms. Allocated memory was 197.1MB in the beginning and 411.0MB in the end (delta: 213.9MB). Free memory was 142.8MB in the beginning and 354.7MB in the end (delta: -212.0MB). Peak memory consumption was 171.5MB. Max. memory is 16.1GB. [2024-10-24 15:34:13,866 INFO L158 Benchmark]: Witness Printer took 111.75ms. Allocated memory is still 411.0MB. Free memory was 354.7MB in the beginning and 349.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:34:13,868 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.80ms. Allocated memory is still 197.1MB. Free memory was 143.6MB in the beginning and 129.8MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.13ms. Allocated memory is still 197.1MB. Free memory was 129.8MB in the beginning and 127.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.15ms. Allocated memory is still 197.1MB. Free memory was 127.8MB in the beginning and 126.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 809.94ms. Allocated memory is still 197.1MB. Free memory was 126.3MB in the beginning and 142.8MB in the end (delta: -16.5MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4269.83ms. Allocated memory was 197.1MB in the beginning and 411.0MB in the end (delta: 213.9MB). Free memory was 142.8MB in the beginning and 354.7MB in the end (delta: -212.0MB). Peak memory consumption was 171.5MB. Max. memory is 16.1GB. * Witness Printer took 111.75ms. Allocated memory is still 411.0MB. Free memory was 354.7MB in the beginning and 349.5MB 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: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: 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: 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: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: 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: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: 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 9 procedures, 273 locations, 67 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: 4.1s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 281 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 85 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 525 IncrementalHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 74 mSDtfsCounter, 525 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=410occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 937 NumberOfCodeBlocks, 937 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 923 ConstructedInterpolants, 0 QuantifiedInterpolants, 951 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 37 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:34:13,899 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