./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i -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 bbb47797d2c6a4d5e961c4dfd7a8e6f4ff79c632e04c289068b1b9e8cca736fa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:50:26,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:50:26,164 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:50:26,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:50:26,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:50:26,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:50:26,196 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:50:26,196 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:50:26,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:50:26,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:50:26,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:50:26,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:50:26,199 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:50:26,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:50:26,202 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:50:26,202 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:50:26,202 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:50:26,203 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:50:26,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:50:26,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:50:26,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:50:26,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:50:26,207 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:50:26,208 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:50:26,208 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:50:26,208 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:50:26,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:50:26,209 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:50:26,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:50:26,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:50:26,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:50:26,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:50:26,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:50:26,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:50:26,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:50:26,211 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:50:26,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:50:26,214 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:50:26,214 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:50:26,215 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:50:26,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:50:26,215 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb47797d2c6a4d5e961c4dfd7a8e6f4ff79c632e04c289068b1b9e8cca736fa [2024-11-19 05:50:26,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:50:26,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:50:26,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:50:26,535 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:50:26,539 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:50:26,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i [2024-11-19 05:50:27,938 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:50:28,215 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:50:28,215 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_09-arraylist.i [2024-11-19 05:50:28,240 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e47c852d3/0ab4fb3b3fd6447d9b3d3dd08f58d8cc/FLAGc2a08919f [2024-11-19 05:50:28,258 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e47c852d3/0ab4fb3b3fd6447d9b3d3dd08f58d8cc [2024-11-19 05:50:28,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:50:28,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:50:28,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:50:28,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:50:28,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:50:28,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:50:28" (1/1) ... [2024-11-19 05:50:28,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd5e215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:28, skipping insertion in model container [2024-11-19 05:50:28,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:50:28" (1/1) ... [2024-11-19 05:50:28,326 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:50:28,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:50:28,940 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:50:29,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:50:29,123 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:50:29,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:29 WrapperNode [2024-11-19 05:50:29,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:50:29,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:50:29,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:50:29,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:50:29,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:29" (1/1) ... [2024-11-19 05:50:29,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:29" (1/1) ... [2024-11-19 05:50:29,196 INFO L138 Inliner]: procedures = 372, calls = 43, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 245 [2024-11-19 05:50:29,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:50:29,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:50:29,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:50:29,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:50:29,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:29" (1/1) ... [2024-11-19 05:50:29,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:29" (1/1) ... [2024-11-19 05:50:29,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:29" (1/1) ... [2024-11-19 05:50:29,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:29" (1/1) ... [2024-11-19 05:50:29,236 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:29" (1/1) ... [2024-11-19 05:50:29,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:29" (1/1) ... [2024-11-19 05:50:29,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:29" (1/1) ... [2024-11-19 05:50:29,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:29" (1/1) ... [2024-11-19 05:50:29,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:50:29,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:50:29,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:50:29,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:50:29,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:29" (1/1) ... [2024-11-19 05:50:29,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:50:29,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:50:29,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 05:50:29,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 05:50:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-19 05:50:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-19 05:50:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 05:50:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:50:29,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:50:29,347 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 05:50:29,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 05:50:29,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:50:29,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-19 05:50:29,348 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-19 05:50:29,348 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-19 05:50:29,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:50:29,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:50:29,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:50:29,350 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:50:29,536 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:50:29,538 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:50:30,117 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:50:30,117 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:50:30,151 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:50:30,152 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 05:50:30,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:50:30 BoogieIcfgContainer [2024-11-19 05:50:30,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:50:30,154 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:50:30,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:50:30,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:50:30,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:50:28" (1/3) ... [2024-11-19 05:50:30,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18c2e671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:50:30, skipping insertion in model container [2024-11-19 05:50:30,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:29" (2/3) ... [2024-11-19 05:50:30,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18c2e671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:50:30, skipping insertion in model container [2024-11-19 05:50:30,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:50:30" (3/3) ... [2024-11-19 05:50:30,161 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_09-arraylist.i [2024-11-19 05:50:30,173 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:50:30,173 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-19 05:50:30,173 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:50:30,271 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:50:30,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 287 places, 287 transitions, 578 flow [2024-11-19 05:50:30,430 INFO L124 PetriNetUnfolderBase]: 4/286 cut-off events. [2024-11-19 05:50:30,430 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:30,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 286 events. 4/286 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 390 event pairs, 0 based on Foata normal form. 0/264 useless extension candidates. Maximal degree in co-relation 158. Up to 2 conditions per place. [2024-11-19 05:50:30,438 INFO L82 GeneralOperation]: Start removeDead. Operand has 287 places, 287 transitions, 578 flow [2024-11-19 05:50:30,446 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 286 places, 286 transitions, 575 flow [2024-11-19 05:50:30,455 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:50:30,467 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;@328fc39b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:50:30,467 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-11-19 05:50:30,486 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:50:30,487 INFO L124 PetriNetUnfolderBase]: 2/75 cut-off events. [2024-11-19 05:50:30,487 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:30,487 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:30,489 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] [2024-11-19 05:50:30,489 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:30,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:30,495 INFO L85 PathProgramCache]: Analyzing trace with hash 450819610, now seen corresponding path program 1 times [2024-11-19 05:50:30,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:30,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146896084] [2024-11-19 05:50:30,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:30,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:31,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:31,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:31,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146896084] [2024-11-19 05:50:31,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146896084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:31,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:31,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:31,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498300545] [2024-11-19 05:50:31,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:31,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:31,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:31,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:31,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:32,023 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 287 [2024-11-19 05:50:32,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 286 transitions, 575 flow. Second operand has 6 states, 6 states have (on average 202.33333333333334) internal successors, (1214), 6 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:32,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:32,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 287 [2024-11-19 05:50:32,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:32,363 INFO L124 PetriNetUnfolderBase]: 365/1634 cut-off events. [2024-11-19 05:50:32,364 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:50:32,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2448 conditions, 1634 events. 365/1634 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10010 event pairs, 364 based on Foata normal form. 12/1519 useless extension candidates. Maximal degree in co-relation 2247. Up to 800 conditions per place. [2024-11-19 05:50:32,380 INFO L140 encePairwiseOnDemand]: 272/287 looper letters, 71 selfloop transitions, 10 changer transitions 1/281 dead transitions. [2024-11-19 05:50:32,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 281 transitions, 727 flow [2024-11-19 05:50:32,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:32,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:32,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1292 transitions. [2024-11-19 05:50:32,406 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7502903600464577 [2024-11-19 05:50:32,410 INFO L175 Difference]: Start difference. First operand has 286 places, 286 transitions, 575 flow. Second operand 6 states and 1292 transitions. [2024-11-19 05:50:32,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 281 transitions, 727 flow [2024-11-19 05:50:32,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 281 transitions, 726 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:50:32,425 INFO L231 Difference]: Finished difference. Result has 288 places, 280 transitions, 582 flow [2024-11-19 05:50:32,428 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=582, PETRI_PLACES=288, PETRI_TRANSITIONS=280} [2024-11-19 05:50:32,433 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, 2 predicate places. [2024-11-19 05:50:32,434 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 280 transitions, 582 flow [2024-11-19 05:50:32,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 202.33333333333334) internal successors, (1214), 6 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:32,435 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:32,435 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] [2024-11-19 05:50:32,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:50:32,436 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:32,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:32,438 INFO L85 PathProgramCache]: Analyzing trace with hash -356586071, now seen corresponding path program 1 times [2024-11-19 05:50:32,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:32,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250538659] [2024-11-19 05:50:32,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:32,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:32,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:32,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:32,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250538659] [2024-11-19 05:50:32,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250538659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:32,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:32,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:50:32,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261263728] [2024-11-19 05:50:32,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:32,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:50:32,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:32,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:50:32,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:50:32,557 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 273 out of 287 [2024-11-19 05:50:32,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 280 transitions, 582 flow. Second operand has 3 states, 3 states have (on average 275.0) internal successors, (825), 3 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:32,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:32,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 273 of 287 [2024-11-19 05:50:32,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:32,652 INFO L124 PetriNetUnfolderBase]: 7/467 cut-off events. [2024-11-19 05:50:32,653 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:32,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 467 events. 7/467 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 857 event pairs, 6 based on Foata normal form. 1/434 useless extension candidates. Maximal degree in co-relation 299. Up to 24 conditions per place. [2024-11-19 05:50:32,655 INFO L140 encePairwiseOnDemand]: 284/287 looper letters, 10 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2024-11-19 05:50:32,655 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 281 transitions, 608 flow [2024-11-19 05:50:32,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:50:32,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:50:32,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 832 transitions. [2024-11-19 05:50:32,658 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9663182346109176 [2024-11-19 05:50:32,658 INFO L175 Difference]: Start difference. First operand has 288 places, 280 transitions, 582 flow. Second operand 3 states and 832 transitions. [2024-11-19 05:50:32,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 281 transitions, 608 flow [2024-11-19 05:50:32,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 281 transitions, 588 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:32,667 INFO L231 Difference]: Finished difference. Result has 285 places, 281 transitions, 574 flow [2024-11-19 05:50:32,668 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=574, PETRI_PLACES=285, PETRI_TRANSITIONS=281} [2024-11-19 05:50:32,669 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, -1 predicate places. [2024-11-19 05:50:32,669 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 281 transitions, 574 flow [2024-11-19 05:50:32,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 275.0) internal successors, (825), 3 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:32,672 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:32,672 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] [2024-11-19 05:50:32,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:50:32,673 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:32,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:32,673 INFO L85 PathProgramCache]: Analyzing trace with hash 230823402, now seen corresponding path program 1 times [2024-11-19 05:50:32,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:32,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736103188] [2024-11-19 05:50:32,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:32,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:33,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:33,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:33,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736103188] [2024-11-19 05:50:33,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736103188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:33,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:33,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:33,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317625774] [2024-11-19 05:50:33,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:33,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:33,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:33,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:33,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:33,591 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 287 [2024-11-19 05:50:33,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 281 transitions, 574 flow. Second operand has 6 states, 6 states have (on average 202.33333333333334) internal successors, (1214), 6 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:33,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:33,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 287 [2024-11-19 05:50:33,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:33,937 INFO L124 PetriNetUnfolderBase]: 365/1740 cut-off events. [2024-11-19 05:50:33,937 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:50:33,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2600 conditions, 1740 events. 365/1740 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10020 event pairs, 364 based on Foata normal form. 0/1612 useless extension candidates. Maximal degree in co-relation 2408. Up to 830 conditions per place. [2024-11-19 05:50:33,945 INFO L140 encePairwiseOnDemand]: 275/287 looper letters, 71 selfloop transitions, 10 changer transitions 0/279 dead transitions. [2024-11-19 05:50:33,945 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 279 transitions, 732 flow [2024-11-19 05:50:33,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:33,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:33,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1289 transitions. [2024-11-19 05:50:33,949 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7485481997677119 [2024-11-19 05:50:33,949 INFO L175 Difference]: Start difference. First operand has 285 places, 281 transitions, 574 flow. Second operand 6 states and 1289 transitions. [2024-11-19 05:50:33,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 279 transitions, 732 flow [2024-11-19 05:50:33,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 279 transitions, 730 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:50:33,954 INFO L231 Difference]: Finished difference. Result has 287 places, 279 transitions, 588 flow [2024-11-19 05:50:33,955 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=588, PETRI_PLACES=287, PETRI_TRANSITIONS=279} [2024-11-19 05:50:33,955 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, 1 predicate places. [2024-11-19 05:50:33,956 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 279 transitions, 588 flow [2024-11-19 05:50:33,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 202.33333333333334) internal successors, (1214), 6 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:33,957 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:33,957 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] [2024-11-19 05:50:33,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:50:33,957 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:33,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:33,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1027917716, now seen corresponding path program 1 times [2024-11-19 05:50:33,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:33,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116785625] [2024-11-19 05:50:33,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:33,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:34,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:34,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:34,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116785625] [2024-11-19 05:50:34,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116785625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:34,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:34,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:34,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687873271] [2024-11-19 05:50:34,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:34,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:34,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:34,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:34,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:34,829 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 287 [2024-11-19 05:50:34,831 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 279 transitions, 588 flow. Second operand has 6 states, 6 states have (on average 198.83333333333334) internal successors, (1193), 6 states have internal predecessors, (1193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:34,831 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:34,831 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 287 [2024-11-19 05:50:34,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:35,245 INFO L124 PetriNetUnfolderBase]: 391/1828 cut-off events. [2024-11-19 05:50:35,245 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-19 05:50:35,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2766 conditions, 1828 events. 391/1828 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 10773 event pairs, 390 based on Foata normal form. 0/1696 useless extension candidates. Maximal degree in co-relation 2491. Up to 899 conditions per place. [2024-11-19 05:50:35,253 INFO L140 encePairwiseOnDemand]: 281/287 looper letters, 83 selfloop transitions, 5 changer transitions 0/278 dead transitions. [2024-11-19 05:50:35,253 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 278 transitions, 762 flow [2024-11-19 05:50:35,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:35,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:35,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1264 transitions. [2024-11-19 05:50:35,256 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7340301974448316 [2024-11-19 05:50:35,256 INFO L175 Difference]: Start difference. First operand has 287 places, 279 transitions, 588 flow. Second operand 6 states and 1264 transitions. [2024-11-19 05:50:35,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 278 transitions, 762 flow [2024-11-19 05:50:35,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 278 transitions, 742 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:35,261 INFO L231 Difference]: Finished difference. Result has 286 places, 278 transitions, 576 flow [2024-11-19 05:50:35,262 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=576, PETRI_PLACES=286, PETRI_TRANSITIONS=278} [2024-11-19 05:50:35,263 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, 0 predicate places. [2024-11-19 05:50:35,263 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 278 transitions, 576 flow [2024-11-19 05:50:35,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.83333333333334) internal successors, (1193), 6 states have internal predecessors, (1193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:35,264 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:35,264 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] [2024-11-19 05:50:35,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:50:35,264 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:35,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:35,265 INFO L85 PathProgramCache]: Analyzing trace with hash -948202354, now seen corresponding path program 1 times [2024-11-19 05:50:35,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:35,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108139770] [2024-11-19 05:50:35,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:35,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:35,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:35,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:35,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108139770] [2024-11-19 05:50:35,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108139770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:35,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:35,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:35,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704405392] [2024-11-19 05:50:35,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:35,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:35,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:35,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:35,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:36,505 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 287 [2024-11-19 05:50:36,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 278 transitions, 576 flow. Second operand has 6 states, 6 states have (on average 226.83333333333334) internal successors, (1361), 6 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:36,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:36,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 287 [2024-11-19 05:50:36,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:36,658 INFO L124 PetriNetUnfolderBase]: 55/702 cut-off events. [2024-11-19 05:50:36,658 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-19 05:50:36,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 926 conditions, 702 events. 55/702 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2613 event pairs, 54 based on Foata normal form. 0/650 useless extension candidates. Maximal degree in co-relation 717. Up to 195 conditions per place. [2024-11-19 05:50:36,662 INFO L140 encePairwiseOnDemand]: 281/287 looper letters, 57 selfloop transitions, 5 changer transitions 0/277 dead transitions. [2024-11-19 05:50:36,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 277 transitions, 698 flow [2024-11-19 05:50:36,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:36,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:36,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1394 transitions. [2024-11-19 05:50:36,665 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8095238095238095 [2024-11-19 05:50:36,665 INFO L175 Difference]: Start difference. First operand has 286 places, 278 transitions, 576 flow. Second operand 6 states and 1394 transitions. [2024-11-19 05:50:36,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 277 transitions, 698 flow [2024-11-19 05:50:36,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 277 transitions, 688 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:36,671 INFO L231 Difference]: Finished difference. Result has 285 places, 277 transitions, 574 flow [2024-11-19 05:50:36,671 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=574, PETRI_PLACES=285, PETRI_TRANSITIONS=277} [2024-11-19 05:50:36,672 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, -1 predicate places. [2024-11-19 05:50:36,672 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 277 transitions, 574 flow [2024-11-19 05:50:36,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 226.83333333333334) internal successors, (1361), 6 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:36,673 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:36,674 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] [2024-11-19 05:50:36,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:50:36,674 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:36,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:36,675 INFO L85 PathProgramCache]: Analyzing trace with hash 2127202176, now seen corresponding path program 1 times [2024-11-19 05:50:36,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:36,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363402235] [2024-11-19 05:50:36,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:36,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:37,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:37,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:37,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363402235] [2024-11-19 05:50:37,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363402235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:37,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:37,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:37,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589872277] [2024-11-19 05:50:37,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:37,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:37,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:37,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:37,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:37,680 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 287 [2024-11-19 05:50:37,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 277 transitions, 574 flow. Second operand has 6 states, 6 states have (on average 229.5) internal successors, (1377), 6 states have internal predecessors, (1377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:37,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:37,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 287 [2024-11-19 05:50:37,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:37,822 INFO L124 PetriNetUnfolderBase]: 37/617 cut-off events. [2024-11-19 05:50:37,823 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 05:50:37,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 804 conditions, 617 events. 37/617 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2084 event pairs, 36 based on Foata normal form. 0/578 useless extension candidates. Maximal degree in co-relation 581. Up to 158 conditions per place. [2024-11-19 05:50:37,825 INFO L140 encePairwiseOnDemand]: 281/287 looper letters, 53 selfloop transitions, 5 changer transitions 0/276 dead transitions. [2024-11-19 05:50:37,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 276 transitions, 688 flow [2024-11-19 05:50:37,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:37,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:37,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1409 transitions. [2024-11-19 05:50:37,829 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8182346109175378 [2024-11-19 05:50:37,829 INFO L175 Difference]: Start difference. First operand has 285 places, 277 transitions, 574 flow. Second operand 6 states and 1409 transitions. [2024-11-19 05:50:37,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 276 transitions, 688 flow [2024-11-19 05:50:37,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 276 transitions, 678 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:37,834 INFO L231 Difference]: Finished difference. Result has 284 places, 276 transitions, 572 flow [2024-11-19 05:50:37,835 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=572, PETRI_PLACES=284, PETRI_TRANSITIONS=276} [2024-11-19 05:50:37,835 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, -2 predicate places. [2024-11-19 05:50:37,835 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 276 transitions, 572 flow [2024-11-19 05:50:37,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.5) internal successors, (1377), 6 states have internal predecessors, (1377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:37,837 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:37,837 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] [2024-11-19 05:50:37,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:50:37,837 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:37,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:37,838 INFO L85 PathProgramCache]: Analyzing trace with hash -2120160149, now seen corresponding path program 1 times [2024-11-19 05:50:37,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:37,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640177744] [2024-11-19 05:50:37,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:37,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:38,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:38,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:38,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640177744] [2024-11-19 05:50:38,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640177744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:38,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:38,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:38,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677427682] [2024-11-19 05:50:38,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:38,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:38,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:38,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:38,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:38,611 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 287 [2024-11-19 05:50:38,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 276 transitions, 572 flow. Second operand has 6 states, 6 states have (on average 205.16666666666666) internal successors, (1231), 6 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:38,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:38,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 287 [2024-11-19 05:50:38,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:38,828 INFO L124 PetriNetUnfolderBase]: 365/1732 cut-off events. [2024-11-19 05:50:38,828 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 05:50:38,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2607 conditions, 1732 events. 365/1732 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 9954 event pairs, 364 based on Foata normal form. 0/1612 useless extension candidates. Maximal degree in co-relation 2390. Up to 846 conditions per place. [2024-11-19 05:50:38,836 INFO L140 encePairwiseOnDemand]: 281/287 looper letters, 79 selfloop transitions, 5 changer transitions 0/275 dead transitions. [2024-11-19 05:50:38,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 275 transitions, 738 flow [2024-11-19 05:50:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:38,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:38,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1279 transitions. [2024-11-19 05:50:38,839 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7427409988385598 [2024-11-19 05:50:38,840 INFO L175 Difference]: Start difference. First operand has 284 places, 276 transitions, 572 flow. Second operand 6 states and 1279 transitions. [2024-11-19 05:50:38,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 275 transitions, 738 flow [2024-11-19 05:50:38,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 275 transitions, 728 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:38,844 INFO L231 Difference]: Finished difference. Result has 283 places, 275 transitions, 570 flow [2024-11-19 05:50:38,845 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=570, PETRI_PLACES=283, PETRI_TRANSITIONS=275} [2024-11-19 05:50:38,846 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, -3 predicate places. [2024-11-19 05:50:38,846 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 275 transitions, 570 flow [2024-11-19 05:50:38,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 205.16666666666666) internal successors, (1231), 6 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:38,847 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:38,847 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:38,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:50:38,848 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:38,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:38,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1126664922, now seen corresponding path program 1 times [2024-11-19 05:50:38,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:38,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669352323] [2024-11-19 05:50:38,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:38,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:39,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:39,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:39,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669352323] [2024-11-19 05:50:39,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669352323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:39,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:39,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:39,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635492861] [2024-11-19 05:50:39,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:39,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:39,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:39,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:39,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:39,654 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 287 [2024-11-19 05:50:39,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 275 transitions, 570 flow. Second operand has 6 states, 6 states have (on average 206.66666666666666) internal successors, (1240), 6 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:39,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:39,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 287 [2024-11-19 05:50:39,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:39,955 INFO L124 PetriNetUnfolderBase]: 365/1730 cut-off events. [2024-11-19 05:50:39,956 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 05:50:39,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2603 conditions, 1730 events. 365/1730 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 9944 event pairs, 364 based on Foata normal form. 0/1612 useless extension candidates. Maximal degree in co-relation 2395. Up to 844 conditions per place. [2024-11-19 05:50:39,964 INFO L140 encePairwiseOnDemand]: 281/287 looper letters, 78 selfloop transitions, 5 changer transitions 0/274 dead transitions. [2024-11-19 05:50:39,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 274 transitions, 734 flow [2024-11-19 05:50:39,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:39,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:39,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1284 transitions. [2024-11-19 05:50:39,967 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7456445993031359 [2024-11-19 05:50:39,967 INFO L175 Difference]: Start difference. First operand has 283 places, 275 transitions, 570 flow. Second operand 6 states and 1284 transitions. [2024-11-19 05:50:39,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 274 transitions, 734 flow [2024-11-19 05:50:39,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 274 transitions, 724 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:39,974 INFO L231 Difference]: Finished difference. Result has 282 places, 274 transitions, 568 flow [2024-11-19 05:50:39,974 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=568, PETRI_PLACES=282, PETRI_TRANSITIONS=274} [2024-11-19 05:50:39,976 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, -4 predicate places. [2024-11-19 05:50:39,977 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 274 transitions, 568 flow [2024-11-19 05:50:39,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 206.66666666666666) internal successors, (1240), 6 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:39,978 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:39,979 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:39,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:50:39,979 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:39,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:39,979 INFO L85 PathProgramCache]: Analyzing trace with hash 488488273, now seen corresponding path program 1 times [2024-11-19 05:50:39,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:39,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182004839] [2024-11-19 05:50:39,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:39,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:40,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:40,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:40,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182004839] [2024-11-19 05:50:40,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182004839] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:50:40,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347468941] [2024-11-19 05:50:40,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:40,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:50:40,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:50:40,187 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:50:40,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 05:50:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:40,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 05:50:40,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:50:40,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:40,590 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:50:40,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:40,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347468941] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:50:40,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:50:40,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 05:50:40,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516456975] [2024-11-19 05:50:40,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:50:40,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 05:50:40,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:40,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 05:50:40,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 05:50:40,887 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 287 [2024-11-19 05:50:40,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 274 transitions, 568 flow. Second operand has 10 states, 10 states have (on average 272.0) internal successors, (2720), 10 states have internal predecessors, (2720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:40,890 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:40,890 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 287 [2024-11-19 05:50:40,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:41,026 INFO L124 PetriNetUnfolderBase]: 7/560 cut-off events. [2024-11-19 05:50:41,026 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:50:41,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 621 conditions, 560 events. 7/560 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 385 event pairs, 6 based on Foata normal form. 2/542 useless extension candidates. Maximal degree in co-relation 244. Up to 24 conditions per place. [2024-11-19 05:50:41,028 INFO L140 encePairwiseOnDemand]: 281/287 looper letters, 14 selfloop transitions, 9 changer transitions 0/282 dead transitions. [2024-11-19 05:50:41,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 282 transitions, 632 flow [2024-11-19 05:50:41,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 05:50:41,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 05:50:41,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2455 transitions. [2024-11-19 05:50:41,033 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9504452187379017 [2024-11-19 05:50:41,033 INFO L175 Difference]: Start difference. First operand has 282 places, 274 transitions, 568 flow. Second operand 9 states and 2455 transitions. [2024-11-19 05:50:41,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 282 transitions, 632 flow [2024-11-19 05:50:41,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 282 transitions, 622 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:41,040 INFO L231 Difference]: Finished difference. Result has 288 places, 280 transitions, 608 flow [2024-11-19 05:50:41,041 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=608, PETRI_PLACES=288, PETRI_TRANSITIONS=280} [2024-11-19 05:50:41,042 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, 2 predicate places. [2024-11-19 05:50:41,042 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 280 transitions, 608 flow [2024-11-19 05:50:41,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 272.0) internal successors, (2720), 10 states have internal predecessors, (2720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:41,045 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:41,045 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:41,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 05:50:41,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:50:41,246 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:41,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:41,247 INFO L85 PathProgramCache]: Analyzing trace with hash -822255535, now seen corresponding path program 2 times [2024-11-19 05:50:41,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:41,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047648017] [2024-11-19 05:50:41,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:50:41,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:41,321 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:41,323 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:41,552 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-19 05:50:41,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:41,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047648017] [2024-11-19 05:50:41,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047648017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:41,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:41,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:41,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893570669] [2024-11-19 05:50:41,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:41,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:41,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:41,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:41,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:42,190 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 287 [2024-11-19 05:50:42,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 280 transitions, 608 flow. Second operand has 6 states, 6 states have (on average 231.33333333333334) internal successors, (1388), 6 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:42,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:42,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 287 [2024-11-19 05:50:42,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:42,699 INFO L124 PetriNetUnfolderBase]: 257/1877 cut-off events. [2024-11-19 05:50:42,699 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-19 05:50:42,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2543 conditions, 1877 events. 257/1877 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 10143 event pairs, 36 based on Foata normal form. 0/1751 useless extension candidates. Maximal degree in co-relation 2076. Up to 491 conditions per place. [2024-11-19 05:50:42,706 INFO L140 encePairwiseOnDemand]: 264/287 looper letters, 67 selfloop transitions, 70 changer transitions 0/358 dead transitions. [2024-11-19 05:50:42,707 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 358 transitions, 1038 flow [2024-11-19 05:50:42,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:42,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:42,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1488 transitions. [2024-11-19 05:50:42,710 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8641114982578397 [2024-11-19 05:50:42,710 INFO L175 Difference]: Start difference. First operand has 288 places, 280 transitions, 608 flow. Second operand 6 states and 1488 transitions. [2024-11-19 05:50:42,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 358 transitions, 1038 flow [2024-11-19 05:50:42,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 358 transitions, 1032 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-19 05:50:42,721 INFO L231 Difference]: Finished difference. Result has 297 places, 349 transitions, 1064 flow [2024-11-19 05:50:42,721 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1064, PETRI_PLACES=297, PETRI_TRANSITIONS=349} [2024-11-19 05:50:42,722 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, 11 predicate places. [2024-11-19 05:50:42,722 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 349 transitions, 1064 flow [2024-11-19 05:50:42,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 231.33333333333334) internal successors, (1388), 6 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:42,723 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:42,724 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:42,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:50:42,724 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:42,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:42,725 INFO L85 PathProgramCache]: Analyzing trace with hash 13029652, now seen corresponding path program 1 times [2024-11-19 05:50:42,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:42,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50301255] [2024-11-19 05:50:42,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:42,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:43,332 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:43,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:43,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50301255] [2024-11-19 05:50:43,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50301255] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:50:43,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136785069] [2024-11-19 05:50:43,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:43,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:50:43,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:50:43,336 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:50:43,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 05:50:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:43,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 1430 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 05:50:43,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:50:44,105 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:44,105 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:50:44,539 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:44,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136785069] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:50:44,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:50:44,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-19 05:50:44,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046730776] [2024-11-19 05:50:44,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:50:44,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 05:50:44,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:44,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 05:50:44,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-19 05:50:44,752 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 287 [2024-11-19 05:50:44,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 349 transitions, 1064 flow. Second operand has 18 states, 18 states have (on average 272.0) internal successors, (4896), 18 states have internal predecessors, (4896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:44,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:44,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 287 [2024-11-19 05:50:44,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:45,375 INFO L124 PetriNetUnfolderBase]: 150/1983 cut-off events. [2024-11-19 05:50:45,375 INFO L125 PetriNetUnfolderBase]: For 184/204 co-relation queries the response was YES. [2024-11-19 05:50:45,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2678 conditions, 1983 events. 150/1983 cut-off events. For 184/204 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7284 event pairs, 21 based on Foata normal form. 4/1900 useless extension candidates. Maximal degree in co-relation 1821. Up to 206 conditions per place. [2024-11-19 05:50:45,384 INFO L140 encePairwiseOnDemand]: 281/287 looper letters, 19 selfloop transitions, 21 changer transitions 0/367 dead transitions. [2024-11-19 05:50:45,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 367 transitions, 1232 flow [2024-11-19 05:50:45,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-19 05:50:45,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-19 05:50:45,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 5713 transitions. [2024-11-19 05:50:45,396 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9479011116641779 [2024-11-19 05:50:45,396 INFO L175 Difference]: Start difference. First operand has 297 places, 349 transitions, 1064 flow. Second operand 21 states and 5713 transitions. [2024-11-19 05:50:45,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 367 transitions, 1232 flow [2024-11-19 05:50:45,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 367 transitions, 1232 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:50:45,407 INFO L231 Difference]: Finished difference. Result has 322 places, 362 transitions, 1194 flow [2024-11-19 05:50:45,407 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=1064, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1194, PETRI_PLACES=322, PETRI_TRANSITIONS=362} [2024-11-19 05:50:45,408 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, 36 predicate places. [2024-11-19 05:50:45,408 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 362 transitions, 1194 flow [2024-11-19 05:50:45,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 272.0) internal successors, (4896), 18 states have internal predecessors, (4896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:45,411 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:45,411 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:45,432 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 05:50:45,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-19 05:50:45,612 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:45,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:45,613 INFO L85 PathProgramCache]: Analyzing trace with hash -470198508, now seen corresponding path program 2 times [2024-11-19 05:50:45,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:45,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737803049] [2024-11-19 05:50:45,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:50:45,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:45,787 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:45,787 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:46,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2212 trivial. 0 not checked. [2024-11-19 05:50:46,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:46,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737803049] [2024-11-19 05:50:46,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737803049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:46,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:46,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:46,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516898243] [2024-11-19 05:50:46,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:46,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:46,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:46,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:46,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:46,486 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 287 [2024-11-19 05:50:46,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 362 transitions, 1194 flow. Second operand has 6 states, 6 states have (on average 231.16666666666666) internal successors, (1387), 6 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:46,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:46,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 287 [2024-11-19 05:50:46,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:47,548 INFO L124 PetriNetUnfolderBase]: 530/3052 cut-off events. [2024-11-19 05:50:47,548 INFO L125 PetriNetUnfolderBase]: For 866/949 co-relation queries the response was YES. [2024-11-19 05:50:47,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5346 conditions, 3052 events. 530/3052 cut-off events. For 866/949 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 16092 event pairs, 92 based on Foata normal form. 16/2911 useless extension candidates. Maximal degree in co-relation 4285. Up to 981 conditions per place. [2024-11-19 05:50:47,559 INFO L140 encePairwiseOnDemand]: 264/287 looper letters, 131 selfloop transitions, 130 changer transitions 0/499 dead transitions. [2024-11-19 05:50:47,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 499 transitions, 2366 flow [2024-11-19 05:50:47,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:47,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:47,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1487 transitions. [2024-11-19 05:50:47,563 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8635307781649245 [2024-11-19 05:50:47,563 INFO L175 Difference]: Start difference. First operand has 322 places, 362 transitions, 1194 flow. Second operand 6 states and 1487 transitions. [2024-11-19 05:50:47,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 499 transitions, 2366 flow [2024-11-19 05:50:47,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 499 transitions, 2342 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-19 05:50:47,575 INFO L231 Difference]: Finished difference. Result has 326 places, 491 transitions, 2398 flow [2024-11-19 05:50:47,576 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=1170, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2398, PETRI_PLACES=326, PETRI_TRANSITIONS=491} [2024-11-19 05:50:47,576 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, 40 predicate places. [2024-11-19 05:50:47,576 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 491 transitions, 2398 flow [2024-11-19 05:50:47,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 231.16666666666666) internal successors, (1387), 6 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:47,577 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:47,578 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:47,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 05:50:47,578 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:47,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:47,578 INFO L85 PathProgramCache]: Analyzing trace with hash 447458108, now seen corresponding path program 1 times [2024-11-19 05:50:47,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:47,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112790254] [2024-11-19 05:50:47,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:47,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:49,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:49,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:49,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112790254] [2024-11-19 05:50:49,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112790254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:50:49,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534203712] [2024-11-19 05:50:49,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:49,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:50:49,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:50:49,728 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 05:50:49,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 05:50:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:50,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 3147 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 05:50:50,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:50:51,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:51,369 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:50:52,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 2212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:52,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534203712] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:50:52,215 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:50:52,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-19 05:50:52,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769851878] [2024-11-19 05:50:52,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:50:52,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 05:50:52,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:52,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 05:50:52,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-19 05:50:52,459 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 287 [2024-11-19 05:50:52,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 491 transitions, 2398 flow. Second operand has 23 states, 23 states have (on average 272.0869565217391) internal successors, (6258), 23 states have internal predecessors, (6258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:52,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:52,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 287 [2024-11-19 05:50:52,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:53,393 INFO L124 PetriNetUnfolderBase]: 398/3072 cut-off events. [2024-11-19 05:50:53,393 INFO L125 PetriNetUnfolderBase]: For 1177/1214 co-relation queries the response was YES. [2024-11-19 05:50:53,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5272 conditions, 3072 events. 398/3072 cut-off events. For 1177/1214 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 13465 event pairs, 39 based on Foata normal form. 7/2971 useless extension candidates. Maximal degree in co-relation 4027. Up to 468 conditions per place. [2024-11-19 05:50:53,405 INFO L140 encePairwiseOnDemand]: 281/287 looper letters, 22 selfloop transitions, 30 changer transitions 0/508 dead transitions. [2024-11-19 05:50:53,405 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 508 transitions, 2624 flow [2024-11-19 05:50:53,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-19 05:50:53,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-19 05:50:53,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 8154 transitions. [2024-11-19 05:50:53,421 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9470383275261324 [2024-11-19 05:50:53,421 INFO L175 Difference]: Start difference. First operand has 326 places, 491 transitions, 2398 flow. Second operand 30 states and 8154 transitions. [2024-11-19 05:50:53,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 508 transitions, 2624 flow [2024-11-19 05:50:53,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 508 transitions, 2624 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:50:53,436 INFO L231 Difference]: Finished difference. Result has 359 places, 501 transitions, 2550 flow [2024-11-19 05:50:53,436 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=2398, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=491, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=2550, PETRI_PLACES=359, PETRI_TRANSITIONS=501} [2024-11-19 05:50:53,437 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, 73 predicate places. [2024-11-19 05:50:53,437 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 501 transitions, 2550 flow [2024-11-19 05:50:53,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 272.0869565217391) internal successors, (6258), 23 states have internal predecessors, (6258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:53,439 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:53,440 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:53,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 05:50:53,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:50:53,641 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:53,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:53,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1761938540, now seen corresponding path program 2 times [2024-11-19 05:50:53,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:53,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464793564] [2024-11-19 05:50:53,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:50:53,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:53,841 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:53,842 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:54,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-11-19 05:50:54,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:54,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464793564] [2024-11-19 05:50:54,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464793564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:54,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:54,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:54,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374439276] [2024-11-19 05:50:54,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:54,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:54,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:54,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:54,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:54,485 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 287 [2024-11-19 05:50:54,486 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 501 transitions, 2550 flow. Second operand has 6 states, 6 states have (on average 231.33333333333334) internal successors, (1388), 6 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:54,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:54,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 287 [2024-11-19 05:50:54,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:55,883 INFO L124 PetriNetUnfolderBase]: 806/4162 cut-off events. [2024-11-19 05:50:55,883 INFO L125 PetriNetUnfolderBase]: For 3302/3537 co-relation queries the response was YES. [2024-11-19 05:50:55,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8737 conditions, 4162 events. 806/4162 cut-off events. For 3302/3537 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22294 event pairs, 74 based on Foata normal form. 76/4063 useless extension candidates. Maximal degree in co-relation 7209. Up to 1323 conditions per place. [2024-11-19 05:50:55,905 INFO L140 encePairwiseOnDemand]: 264/287 looper letters, 251 selfloop transitions, 131 changer transitions 5/639 dead transitions. [2024-11-19 05:50:55,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 639 transitions, 4224 flow [2024-11-19 05:50:55,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:55,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:55,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1488 transitions. [2024-11-19 05:50:55,908 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8641114982578397 [2024-11-19 05:50:55,908 INFO L175 Difference]: Start difference. First operand has 359 places, 501 transitions, 2550 flow. Second operand 6 states and 1488 transitions. [2024-11-19 05:50:55,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 639 transitions, 4224 flow [2024-11-19 05:50:55,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 639 transitions, 4178 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-19 05:50:55,928 INFO L231 Difference]: Finished difference. Result has 351 places, 629 transitions, 3984 flow [2024-11-19 05:50:55,929 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=2504, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=501, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=463, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3984, PETRI_PLACES=351, PETRI_TRANSITIONS=629} [2024-11-19 05:50:55,929 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, 65 predicate places. [2024-11-19 05:50:55,929 INFO L471 AbstractCegarLoop]: Abstraction has has 351 places, 629 transitions, 3984 flow [2024-11-19 05:50:55,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 231.33333333333334) internal successors, (1388), 6 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:55,930 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:55,931 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:55,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 05:50:55,931 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:55,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:55,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1156950209, now seen corresponding path program 1 times [2024-11-19 05:50:55,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:55,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584343083] [2024-11-19 05:50:55,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:55,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:59,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-11-19 05:50:59,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:59,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584343083] [2024-11-19 05:50:59,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584343083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:59,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:59,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:59,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712674626] [2024-11-19 05:50:59,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:59,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:59,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:59,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:59,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:59,576 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 287 [2024-11-19 05:50:59,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 629 transitions, 3984 flow. Second operand has 6 states, 6 states have (on average 211.66666666666666) internal successors, (1270), 6 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:59,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:59,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 287 [2024-11-19 05:50:59,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:01,542 INFO L124 PetriNetUnfolderBase]: 1308/5506 cut-off events. [2024-11-19 05:51:01,542 INFO L125 PetriNetUnfolderBase]: For 4888/4945 co-relation queries the response was YES. [2024-11-19 05:51:01,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13385 conditions, 5506 events. 1308/5506 cut-off events. For 4888/4945 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 33854 event pairs, 369 based on Foata normal form. 11/5272 useless extension candidates. Maximal degree in co-relation 11796. Up to 2549 conditions per place. [2024-11-19 05:51:01,568 INFO L140 encePairwiseOnDemand]: 268/287 looper letters, 316 selfloop transitions, 84 changer transitions 0/708 dead transitions. [2024-11-19 05:51:01,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 708 transitions, 5182 flow [2024-11-19 05:51:01,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:51:01,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:51:01,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1366 transitions. [2024-11-19 05:51:01,572 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7932636469221835 [2024-11-19 05:51:01,572 INFO L175 Difference]: Start difference. First operand has 351 places, 629 transitions, 3984 flow. Second operand 6 states and 1366 transitions. [2024-11-19 05:51:01,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 708 transitions, 5182 flow [2024-11-19 05:51:01,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 708 transitions, 4928 flow, removed 127 selfloop flow, removed 0 redundant places. [2024-11-19 05:51:01,604 INFO L231 Difference]: Finished difference. Result has 360 places, 700 transitions, 4520 flow [2024-11-19 05:51:01,605 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=3736, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=629, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4520, PETRI_PLACES=360, PETRI_TRANSITIONS=700} [2024-11-19 05:51:01,606 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, 74 predicate places. [2024-11-19 05:51:01,606 INFO L471 AbstractCegarLoop]: Abstraction has has 360 places, 700 transitions, 4520 flow [2024-11-19 05:51:01,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 211.66666666666666) internal successors, (1270), 6 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:01,607 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:01,607 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:01,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 05:51:01,607 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:01,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:01,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1413171379, now seen corresponding path program 1 times [2024-11-19 05:51:01,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:01,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134402224] [2024-11-19 05:51:01,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:01,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:02,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-11-19 05:51:02,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:02,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134402224] [2024-11-19 05:51:02,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134402224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:02,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:02,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:51:02,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310182926] [2024-11-19 05:51:02,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:02,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:51:02,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:02,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:51:02,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:51:02,770 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 287 [2024-11-19 05:51:02,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 700 transitions, 4520 flow. Second operand has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:02,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:02,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 287 [2024-11-19 05:51:02,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:03,102 INFO L124 PetriNetUnfolderBase]: 3/1385 cut-off events. [2024-11-19 05:51:03,102 INFO L125 PetriNetUnfolderBase]: For 221/222 co-relation queries the response was YES. [2024-11-19 05:51:03,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1823 conditions, 1385 events. 3/1385 cut-off events. For 221/222 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 550 event pairs, 1 based on Foata normal form. 3/1373 useless extension candidates. Maximal degree in co-relation 1489. Up to 51 conditions per place. [2024-11-19 05:51:03,108 INFO L140 encePairwiseOnDemand]: 283/287 looper letters, 2 selfloop transitions, 4 changer transitions 0/300 dead transitions. [2024-11-19 05:51:03,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 300 transitions, 1040 flow [2024-11-19 05:51:03,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:51:03,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:51:03,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 842 transitions. [2024-11-19 05:51:03,109 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9779326364692218 [2024-11-19 05:51:03,110 INFO L175 Difference]: Start difference. First operand has 360 places, 700 transitions, 4520 flow. Second operand 3 states and 842 transitions. [2024-11-19 05:51:03,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 300 transitions, 1040 flow [2024-11-19 05:51:03,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 300 transitions, 836 flow, removed 62 selfloop flow, removed 36 redundant places. [2024-11-19 05:51:03,118 INFO L231 Difference]: Finished difference. Result has 322 places, 300 transitions, 832 flow [2024-11-19 05:51:03,119 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=832, PETRI_PLACES=322, PETRI_TRANSITIONS=300} [2024-11-19 05:51:03,119 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, 36 predicate places. [2024-11-19 05:51:03,120 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 300 transitions, 832 flow [2024-11-19 05:51:03,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:03,120 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:03,121 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:03,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 05:51:03,121 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:03,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:03,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1790656570, now seen corresponding path program 1 times [2024-11-19 05:51:03,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:03,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738331897] [2024-11-19 05:51:03,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:03,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:06,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-11-19 05:51:06,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:06,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738331897] [2024-11-19 05:51:06,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738331897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:06,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:06,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:51:06,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105004166] [2024-11-19 05:51:06,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:06,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:51:06,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:06,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:51:06,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:51:06,779 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 287 [2024-11-19 05:51:06,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 300 transitions, 832 flow. Second operand has 6 states, 6 states have (on average 211.66666666666666) internal successors, (1270), 6 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:06,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:06,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 287 [2024-11-19 05:51:06,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:07,183 INFO L124 PetriNetUnfolderBase]: 3/1382 cut-off events. [2024-11-19 05:51:07,183 INFO L125 PetriNetUnfolderBase]: For 137/142 co-relation queries the response was YES. [2024-11-19 05:51:07,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2018 conditions, 1382 events. 3/1382 cut-off events. For 137/142 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 535 event pairs, 1 based on Foata normal form. 0/1370 useless extension candidates. Maximal degree in co-relation 1721. Up to 456 conditions per place. [2024-11-19 05:51:07,186 INFO L140 encePairwiseOnDemand]: 281/287 looper letters, 74 selfloop transitions, 5 changer transitions 0/299 dead transitions. [2024-11-19 05:51:07,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 299 transitions, 988 flow [2024-11-19 05:51:07,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:51:07,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:51:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1304 transitions. [2024-11-19 05:51:07,189 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7572590011614402 [2024-11-19 05:51:07,189 INFO L175 Difference]: Start difference. First operand has 322 places, 300 transitions, 832 flow. Second operand 6 states and 1304 transitions. [2024-11-19 05:51:07,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 299 transitions, 988 flow [2024-11-19 05:51:07,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 299 transitions, 981 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:51:07,196 INFO L231 Difference]: Finished difference. Result has 324 places, 299 transitions, 833 flow [2024-11-19 05:51:07,196 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=823, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=833, PETRI_PLACES=324, PETRI_TRANSITIONS=299} [2024-11-19 05:51:07,196 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, 38 predicate places. [2024-11-19 05:51:07,197 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 299 transitions, 833 flow [2024-11-19 05:51:07,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 211.66666666666666) internal successors, (1270), 6 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:07,198 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:07,198 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:07,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 05:51:07,199 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:07,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:07,199 INFO L85 PathProgramCache]: Analyzing trace with hash -67109335, now seen corresponding path program 1 times [2024-11-19 05:51:07,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:07,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550994663] [2024-11-19 05:51:07,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:07,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-11-19 05:51:09,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:09,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550994663] [2024-11-19 05:51:09,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550994663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:09,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:09,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:51:09,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415375367] [2024-11-19 05:51:09,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:09,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:51:09,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:09,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:51:09,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:51:10,104 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 287 [2024-11-19 05:51:10,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 299 transitions, 833 flow. Second operand has 6 states, 6 states have (on average 234.5) internal successors, (1407), 6 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:10,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:10,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 287 [2024-11-19 05:51:10,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:10,485 INFO L124 PetriNetUnfolderBase]: 5/1413 cut-off events. [2024-11-19 05:51:10,486 INFO L125 PetriNetUnfolderBase]: For 134/135 co-relation queries the response was YES. [2024-11-19 05:51:10,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1952 conditions, 1413 events. 5/1413 cut-off events. For 134/135 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 660 event pairs, 3 based on Foata normal form. 0/1403 useless extension candidates. Maximal degree in co-relation 1661. Up to 345 conditions per place. [2024-11-19 05:51:10,490 INFO L140 encePairwiseOnDemand]: 281/287 looper letters, 52 selfloop transitions, 5 changer transitions 0/298 dead transitions. [2024-11-19 05:51:10,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 298 transitions, 945 flow [2024-11-19 05:51:10,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:51:10,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:51:10,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1419 transitions. [2024-11-19 05:51:10,492 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8240418118466899 [2024-11-19 05:51:10,492 INFO L175 Difference]: Start difference. First operand has 324 places, 299 transitions, 833 flow. Second operand 6 states and 1419 transitions. [2024-11-19 05:51:10,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 298 transitions, 945 flow [2024-11-19 05:51:10,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 298 transitions, 935 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:51:10,499 INFO L231 Difference]: Finished difference. Result has 323 places, 298 transitions, 831 flow [2024-11-19 05:51:10,499 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=821, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=831, PETRI_PLACES=323, PETRI_TRANSITIONS=298} [2024-11-19 05:51:10,501 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, 37 predicate places. [2024-11-19 05:51:10,501 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 298 transitions, 831 flow [2024-11-19 05:51:10,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 234.5) internal successors, (1407), 6 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:10,503 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:10,503 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:10,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 05:51:10,503 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:10,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:10,504 INFO L85 PathProgramCache]: Analyzing trace with hash -353933297, now seen corresponding path program 1 times [2024-11-19 05:51:10,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:10,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148807387] [2024-11-19 05:51:10,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:10,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:13,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-11-19 05:51:13,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:13,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148807387] [2024-11-19 05:51:13,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148807387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:13,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:13,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:51:13,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172358262] [2024-11-19 05:51:13,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:13,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:51:13,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:13,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:51:13,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:51:13,533 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 287 [2024-11-19 05:51:13,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 298 transitions, 831 flow. Second operand has 6 states, 6 states have (on average 232.5) internal successors, (1395), 6 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:13,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:13,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 287 [2024-11-19 05:51:13,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:13,837 INFO L124 PetriNetUnfolderBase]: 3/1376 cut-off events. [2024-11-19 05:51:13,838 INFO L125 PetriNetUnfolderBase]: For 133/134 co-relation queries the response was YES. [2024-11-19 05:51:13,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1917 conditions, 1376 events. 3/1376 cut-off events. For 133/134 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 510 event pairs, 1 based on Foata normal form. 0/1373 useless extension candidates. Maximal degree in co-relation 1662. Up to 351 conditions per place. [2024-11-19 05:51:13,840 INFO L140 encePairwiseOnDemand]: 281/287 looper letters, 54 selfloop transitions, 5 changer transitions 0/297 dead transitions. [2024-11-19 05:51:13,840 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 297 transitions, 947 flow [2024-11-19 05:51:13,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:51:13,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:51:13,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1409 transitions. [2024-11-19 05:51:13,842 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8182346109175378 [2024-11-19 05:51:13,842 INFO L175 Difference]: Start difference. First operand has 323 places, 298 transitions, 831 flow. Second operand 6 states and 1409 transitions. [2024-11-19 05:51:13,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 297 transitions, 947 flow [2024-11-19 05:51:13,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 297 transitions, 937 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:51:13,849 INFO L231 Difference]: Finished difference. Result has 322 places, 297 transitions, 829 flow [2024-11-19 05:51:13,849 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=819, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=829, PETRI_PLACES=322, PETRI_TRANSITIONS=297} [2024-11-19 05:51:13,850 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, 36 predicate places. [2024-11-19 05:51:13,851 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 297 transitions, 829 flow [2024-11-19 05:51:13,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 232.5) internal successors, (1395), 6 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:13,851 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:13,852 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:13,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 05:51:13,852 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:13,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:13,853 INFO L85 PathProgramCache]: Analyzing trace with hash 540066838, now seen corresponding path program 1 times [2024-11-19 05:51:13,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:13,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327279058] [2024-11-19 05:51:13,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:13,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:16,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-11-19 05:51:16,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:16,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327279058] [2024-11-19 05:51:16,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327279058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:16,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:16,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:51:16,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820038442] [2024-11-19 05:51:16,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:16,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:51:16,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:16,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:51:16,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:51:16,628 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 287 [2024-11-19 05:51:16,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 297 transitions, 829 flow. Second operand has 6 states, 6 states have (on average 209.5) internal successors, (1257), 6 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:16,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:16,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 287 [2024-11-19 05:51:16,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:16,965 INFO L124 PetriNetUnfolderBase]: 3/1373 cut-off events. [2024-11-19 05:51:16,965 INFO L125 PetriNetUnfolderBase]: For 135/140 co-relation queries the response was YES. [2024-11-19 05:51:16,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2036 conditions, 1373 events. 3/1373 cut-off events. For 135/140 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 495 event pairs, 1 based on Foata normal form. 0/1370 useless extension candidates. Maximal degree in co-relation 1802. Up to 473 conditions per place. [2024-11-19 05:51:16,967 INFO L140 encePairwiseOnDemand]: 281/287 looper letters, 80 selfloop transitions, 5 changer transitions 0/296 dead transitions. [2024-11-19 05:51:16,967 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 296 transitions, 997 flow [2024-11-19 05:51:16,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:51:16,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:51:16,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1279 transitions. [2024-11-19 05:51:16,970 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7427409988385598 [2024-11-19 05:51:16,970 INFO L175 Difference]: Start difference. First operand has 322 places, 297 transitions, 829 flow. Second operand 6 states and 1279 transitions. [2024-11-19 05:51:16,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 296 transitions, 997 flow [2024-11-19 05:51:16,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 296 transitions, 987 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:51:16,978 INFO L231 Difference]: Finished difference. Result has 321 places, 296 transitions, 827 flow [2024-11-19 05:51:16,979 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=827, PETRI_PLACES=321, PETRI_TRANSITIONS=296} [2024-11-19 05:51:16,979 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, 35 predicate places. [2024-11-19 05:51:16,980 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 296 transitions, 827 flow [2024-11-19 05:51:16,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 209.5) internal successors, (1257), 6 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:16,980 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:16,981 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:16,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 05:51:16,981 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:16,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:16,982 INFO L85 PathProgramCache]: Analyzing trace with hash 2058611483, now seen corresponding path program 1 times [2024-11-19 05:51:16,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:16,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517239465] [2024-11-19 05:51:16,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:16,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:19,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4735 trivial. 0 not checked. [2024-11-19 05:51:19,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:19,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517239465] [2024-11-19 05:51:19,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517239465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:19,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:19,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:51:19,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116664867] [2024-11-19 05:51:19,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:19,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:51:19,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:19,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:51:19,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:51:19,923 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 287 [2024-11-19 05:51:19,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 296 transitions, 827 flow. Second operand has 6 states, 6 states have (on average 211.0) internal successors, (1266), 6 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:19,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:19,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 287 [2024-11-19 05:51:19,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:20,191 INFO L124 PetriNetUnfolderBase]: 3/1370 cut-off events. [2024-11-19 05:51:20,192 INFO L125 PetriNetUnfolderBase]: For 135/140 co-relation queries the response was YES. [2024-11-19 05:51:20,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2030 conditions, 1370 events. 3/1370 cut-off events. For 135/140 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 475 event pairs, 1 based on Foata normal form. 0/1370 useless extension candidates. Maximal degree in co-relation 1841. Up to 470 conditions per place. [2024-11-19 05:51:20,194 INFO L140 encePairwiseOnDemand]: 281/287 looper letters, 0 selfloop transitions, 0 changer transitions 295/295 dead transitions. [2024-11-19 05:51:20,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 295 transitions, 993 flow [2024-11-19 05:51:20,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:51:20,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:51:20,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1284 transitions. [2024-11-19 05:51:20,195 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7456445993031359 [2024-11-19 05:51:20,195 INFO L175 Difference]: Start difference. First operand has 321 places, 296 transitions, 827 flow. Second operand 6 states and 1284 transitions. [2024-11-19 05:51:20,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 295 transitions, 993 flow [2024-11-19 05:51:20,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 295 transitions, 983 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:51:20,200 INFO L231 Difference]: Finished difference. Result has 320 places, 0 transitions, 0 flow [2024-11-19 05:51:20,200 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=287, PETRI_DIFFERENCE_MINUEND_FLOW=815, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=320, PETRI_TRANSITIONS=0} [2024-11-19 05:51:20,200 INFO L277 CegarLoopForPetriNet]: 286 programPoint places, 34 predicate places. [2024-11-19 05:51:20,201 INFO L471 AbstractCegarLoop]: Abstraction has has 320 places, 0 transitions, 0 flow [2024-11-19 05:51:20,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 211.0) internal successors, (1266), 6 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:20,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2024-11-19 05:51:20,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2024-11-19 05:51:20,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2024-11-19 05:51:20,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2024-11-19 05:51:20,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2024-11-19 05:51:20,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2024-11-19 05:51:20,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2024-11-19 05:51:20,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2024-11-19 05:51:20,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2024-11-19 05:51:20,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2024-11-19 05:51:20,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2024-11-19 05:51:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2024-11-19 05:51:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 25 remaining) [2024-11-19 05:51:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2024-11-19 05:51:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining) [2024-11-19 05:51:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (9 of 25 remaining) [2024-11-19 05:51:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2024-11-19 05:51:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2024-11-19 05:51:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2024-11-19 05:51:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2024-11-19 05:51:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2024-11-19 05:51:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2024-11-19 05:51:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2024-11-19 05:51:20,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2024-11-19 05:51:20,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2024-11-19 05:51:20,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 05:51:20,206 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:20,211 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 05:51:20,211 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 05:51:20,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:51:20 BasicIcfg [2024-11-19 05:51:20,216 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 05:51:20,217 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 05:51:20,217 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 05:51:20,217 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 05:51:20,217 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:50:30" (3/4) ... [2024-11-19 05:51:20,219 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 05:51:20,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-19 05:51:20,227 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-19 05:51:20,228 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 05:51:20,228 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-19 05:51:20,334 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 05:51:20,334 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 05:51:20,334 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 05:51:20,335 INFO L158 Benchmark]: Toolchain (without parser) took 52072.74ms. Allocated memory was 195.0MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 139.6MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 951.5MB. Max. memory is 16.1GB. [2024-11-19 05:51:20,335 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory was 105.0MB in the beginning and 105.0MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 05:51:20,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 859.83ms. Allocated memory is still 195.0MB. Free memory was 139.6MB in the beginning and 154.3MB in the end (delta: -14.7MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2024-11-19 05:51:20,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.74ms. Allocated memory is still 195.0MB. Free memory was 154.3MB in the beginning and 150.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 05:51:20,336 INFO L158 Benchmark]: Boogie Preprocessor took 52.59ms. Allocated memory is still 195.0MB. Free memory was 150.1MB in the beginning and 145.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 05:51:20,338 INFO L158 Benchmark]: RCFGBuilder took 901.62ms. Allocated memory is still 195.0MB. Free memory was 145.9MB in the beginning and 109.2MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-19 05:51:20,338 INFO L158 Benchmark]: TraceAbstraction took 50061.76ms. Allocated memory was 195.0MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 108.1MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 911.2MB. Max. memory is 16.1GB. [2024-11-19 05:51:20,339 INFO L158 Benchmark]: Witness Printer took 117.57ms. Allocated memory is still 3.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 05:51:20,340 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory was 105.0MB in the beginning and 105.0MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 859.83ms. Allocated memory is still 195.0MB. Free memory was 139.6MB in the beginning and 154.3MB in the end (delta: -14.7MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.74ms. Allocated memory is still 195.0MB. Free memory was 154.3MB in the beginning and 150.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.59ms. Allocated memory is still 195.0MB. Free memory was 150.1MB in the beginning and 145.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 901.62ms. Allocated memory is still 195.0MB. Free memory was 145.9MB in the beginning and 109.2MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 50061.76ms. Allocated memory was 195.0MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 108.1MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 911.2MB. Max. memory is 16.1GB. * Witness Printer took 117.57ms. Allocated memory is still 3.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1234]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1264]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1264]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1265]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1259]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1234]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1260]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1239]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1240]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1241]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1234]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1249]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1239]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1240]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1241]: 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 3 procedures, 375 locations, 25 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: 49.9s, OverallIterations: 21, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 18.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4836 SdHoareTripleChecker+Valid, 8.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3108 mSDsluCounter, 463 SdHoareTripleChecker+Invalid, 7.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 429 mSDsCounter, 931 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9760 IncrementalHoareTripleChecker+Invalid, 10691 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 931 mSolverCounterUnsat, 34 mSDtfsCounter, 9760 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2827 GetRequests, 2671 SyntacticMatches, 11 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 684 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4520occurred in iteration=15, InterpolantAutomatonStates: 162, 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: 0.7s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 25.9s InterpolantComputationTime, 13636 NumberOfCodeBlocks, 11536 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 14942 ConstructedInterpolants, 0 QuantifiedInterpolants, 23474 SizeOfPredicates, 22 NumberOfNonLiveVariables, 5137 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 27 InterpolantComputations, 18 PerfectInterpolantSequences, 40410/48003 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 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-19 05:51:20,375 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