./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_16-arrayloop_rc.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_16-arrayloop_rc.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 5810bf8f90e8e4e20451fbc06dd5039f754e5765485d12699b814c2e1d4badb7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:50:34,999 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:50:35,072 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:50:35,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:50:35,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:50:35,112 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:50:35,112 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:50:35,113 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:50:35,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:50:35,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:50:35,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:50:35,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:50:35,115 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:50:35,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:50:35,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:50:35,116 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:50:35,116 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:50:35,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:50:35,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:50:35,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:50:35,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:50:35,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:50:35,118 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:50:35,119 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:50:35,119 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:50:35,119 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:50:35,120 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:50:35,120 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:50:35,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:50:35,121 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:50:35,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:50:35,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:50:35,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:50:35,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:50:35,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:50:35,123 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:50:35,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:50:35,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:50:35,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:50:35,124 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:50:35,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:50:35,124 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5810bf8f90e8e4e20451fbc06dd5039f754e5765485d12699b814c2e1d4badb7 [2024-11-19 05:50:35,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:50:35,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:50:35,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:50:35,398 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:50:35,398 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:50:35,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_16-arrayloop_rc.i [2024-11-19 05:50:36,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:50:37,150 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:50:37,151 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_16-arrayloop_rc.i [2024-11-19 05:50:37,175 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/494f3ac9a/cd2448bbaa0d4fb9b4d97b81d5eaf900/FLAG971b5fb7d [2024-11-19 05:50:37,192 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/494f3ac9a/cd2448bbaa0d4fb9b4d97b81d5eaf900 [2024-11-19 05:50:37,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:50:37,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:50:37,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:50:37,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:50:37,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:50:37,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:50:37" (1/1) ... [2024-11-19 05:50:37,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d0fa6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:37, skipping insertion in model container [2024-11-19 05:50:37,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:50:37" (1/1) ... [2024-11-19 05:50:37,257 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:50:37,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:50:37,793 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:50:37,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:50:37,931 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:50:37,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:37 WrapperNode [2024-11-19 05:50:37,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:50:37,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:50:37,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:50:37,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:50:37,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:37" (1/1) ... [2024-11-19 05:50:37,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:37" (1/1) ... [2024-11-19 05:50:38,024 INFO L138 Inliner]: procedures = 370, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 292 [2024-11-19 05:50:38,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:50:38,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:50:38,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:50:38,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:50:38,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:37" (1/1) ... [2024-11-19 05:50:38,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:37" (1/1) ... [2024-11-19 05:50:38,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:37" (1/1) ... [2024-11-19 05:50:38,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:37" (1/1) ... [2024-11-19 05:50:38,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:37" (1/1) ... [2024-11-19 05:50:38,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:37" (1/1) ... [2024-11-19 05:50:38,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:37" (1/1) ... [2024-11-19 05:50:38,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:37" (1/1) ... [2024-11-19 05:50:38,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:50:38,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:50:38,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:50:38,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:50:38,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:37" (1/1) ... [2024-11-19 05:50:38,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:50:38,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:50:38,144 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 05:50:38,148 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 05:50:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-19 05:50:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-19 05:50:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 05:50:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:50:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:50:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 05:50:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 05:50:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:50:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-19 05:50:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-19 05:50:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-19 05:50:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:50:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:50:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:50:38,197 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 05:50:38,361 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:50:38,363 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:50:38,896 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:50:38,896 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:50:38,927 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:50:38,928 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-19 05:50:38,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:50:38 BoogieIcfgContainer [2024-11-19 05:50:38,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:50:38,931 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:50:38,931 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:50:38,934 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:50:38,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:50:37" (1/3) ... [2024-11-19 05:50:38,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22de3b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:50:38, skipping insertion in model container [2024-11-19 05:50:38,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:37" (2/3) ... [2024-11-19 05:50:38,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22de3b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:50:38, skipping insertion in model container [2024-11-19 05:50:38,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:50:38" (3/3) ... [2024-11-19 05:50:38,938 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_16-arrayloop_rc.i [2024-11-19 05:50:38,952 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:50:38,952 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-19 05:50:38,953 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:50:39,048 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:50:39,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 322 places, 324 transitions, 652 flow [2024-11-19 05:50:39,217 INFO L124 PetriNetUnfolderBase]: 6/323 cut-off events. [2024-11-19 05:50:39,217 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:39,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 323 events. 6/323 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 416 event pairs, 0 based on Foata normal form. 0/299 useless extension candidates. Maximal degree in co-relation 201. Up to 2 conditions per place. [2024-11-19 05:50:39,227 INFO L82 GeneralOperation]: Start removeDead. Operand has 322 places, 324 transitions, 652 flow [2024-11-19 05:50:39,237 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 321 places, 323 transitions, 649 flow [2024-11-19 05:50:39,252 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:50:39,261 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;@54d4472f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:50:39,262 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-11-19 05:50:39,289 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:50:39,292 INFO L124 PetriNetUnfolderBase]: 3/123 cut-off events. [2024-11-19 05:50:39,292 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:39,292 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:39,293 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:50:39,294 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:39,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:39,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1517131515, now seen corresponding path program 1 times [2024-11-19 05:50:39,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:39,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734906060] [2024-11-19 05:50:39,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:39,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:40,412 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 05:50:40,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:40,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734906060] [2024-11-19 05:50:40,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734906060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:40,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:40,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:40,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934811078] [2024-11-19 05:50:40,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:40,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:40,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:40,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:40,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:40,995 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 324 [2024-11-19 05:50:41,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 323 transitions, 649 flow. Second operand has 6 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 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 05:50:41,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:41,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 324 [2024-11-19 05:50:41,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:42,152 INFO L124 PetriNetUnfolderBase]: 1265/4916 cut-off events. [2024-11-19 05:50:42,153 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:50:42,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7460 conditions, 4916 events. 1265/4916 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 36222 event pairs, 912 based on Foata normal form. 137/4643 useless extension candidates. Maximal degree in co-relation 7320. Up to 2359 conditions per place. [2024-11-19 05:50:42,177 INFO L140 encePairwiseOnDemand]: 284/324 looper letters, 84 selfloop transitions, 107 changer transitions 0/428 dead transitions. [2024-11-19 05:50:42,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 428 transitions, 1241 flow [2024-11-19 05:50:42,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:42,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:42,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1628 transitions. [2024-11-19 05:50:42,197 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8374485596707819 [2024-11-19 05:50:42,199 INFO L175 Difference]: Start difference. First operand has 321 places, 323 transitions, 649 flow. Second operand 6 states and 1628 transitions. [2024-11-19 05:50:42,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 428 transitions, 1241 flow [2024-11-19 05:50:42,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 428 transitions, 1240 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:50:42,215 INFO L231 Difference]: Finished difference. Result has 329 places, 420 transitions, 1330 flow [2024-11-19 05:50:42,217 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1330, PETRI_PLACES=329, PETRI_TRANSITIONS=420} [2024-11-19 05:50:42,221 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 8 predicate places. [2024-11-19 05:50:42,221 INFO L471 AbstractCegarLoop]: Abstraction has has 329 places, 420 transitions, 1330 flow [2024-11-19 05:50:42,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 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 05:50:42,222 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:42,223 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] [2024-11-19 05:50:42,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:50:42,223 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:42,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:42,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1242346274, now seen corresponding path program 1 times [2024-11-19 05:50:42,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:42,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268584105] [2024-11-19 05:50:42,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:42,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:42,822 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 05:50:42,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:42,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268584105] [2024-11-19 05:50:42,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268584105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:42,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:42,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:42,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291855644] [2024-11-19 05:50:42,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:42,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:42,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:42,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:42,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:43,308 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 324 [2024-11-19 05:50:43,310 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 420 transitions, 1330 flow. Second operand has 6 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 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 05:50:43,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:43,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 324 [2024-11-19 05:50:43,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:44,321 INFO L124 PetriNetUnfolderBase]: 1531/5800 cut-off events. [2024-11-19 05:50:44,322 INFO L125 PetriNetUnfolderBase]: For 1217/1220 co-relation queries the response was YES. [2024-11-19 05:50:44,336 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10592 conditions, 5800 events. 1531/5800 cut-off events. For 1217/1220 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 44183 event pairs, 936 based on Foata normal form. 0/5357 useless extension candidates. Maximal degree in co-relation 10439. Up to 2637 conditions per place. [2024-11-19 05:50:44,358 INFO L140 encePairwiseOnDemand]: 287/324 looper letters, 180 selfloop transitions, 107 changer transitions 0/528 dead transitions. [2024-11-19 05:50:44,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 528 transitions, 2312 flow [2024-11-19 05:50:44,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:44,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:44,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1621 transitions. [2024-11-19 05:50:44,363 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8338477366255144 [2024-11-19 05:50:44,363 INFO L175 Difference]: Start difference. First operand has 329 places, 420 transitions, 1330 flow. Second operand 6 states and 1621 transitions. [2024-11-19 05:50:44,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 528 transitions, 2312 flow [2024-11-19 05:50:44,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 528 transitions, 2312 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:50:44,381 INFO L231 Difference]: Finished difference. Result has 338 places, 520 transitions, 2210 flow [2024-11-19 05:50:44,382 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=1328, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2210, PETRI_PLACES=338, PETRI_TRANSITIONS=520} [2024-11-19 05:50:44,383 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 17 predicate places. [2024-11-19 05:50:44,383 INFO L471 AbstractCegarLoop]: Abstraction has has 338 places, 520 transitions, 2210 flow [2024-11-19 05:50:44,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 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 05:50:44,384 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:44,385 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] [2024-11-19 05:50:44,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:50:44,385 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:44,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:44,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1480117607, now seen corresponding path program 1 times [2024-11-19 05:50:44,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:44,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693965310] [2024-11-19 05:50:44,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:44,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:44,494 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 05:50:44,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:44,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693965310] [2024-11-19 05:50:44,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693965310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:44,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:44,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:50:44,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914818878] [2024-11-19 05:50:44,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:44,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:50:44,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:44,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:50:44,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:50:44,563 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 324 [2024-11-19 05:50:44,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 520 transitions, 2210 flow. Second operand has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:44,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:44,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 324 [2024-11-19 05:50:44,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:45,352 INFO L124 PetriNetUnfolderBase]: 1081/4426 cut-off events. [2024-11-19 05:50:45,352 INFO L125 PetriNetUnfolderBase]: For 1106/1112 co-relation queries the response was YES. [2024-11-19 05:50:45,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8836 conditions, 4426 events. 1081/4426 cut-off events. For 1106/1112 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 28552 event pairs, 108 based on Foata normal form. 4/4184 useless extension candidates. Maximal degree in co-relation 8615. Up to 1137 conditions per place. [2024-11-19 05:50:45,383 INFO L140 encePairwiseOnDemand]: 318/324 looper letters, 16 selfloop transitions, 4 changer transitions 0/526 dead transitions. [2024-11-19 05:50:45,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 526 transitions, 2262 flow [2024-11-19 05:50:45,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:50:45,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:50:45,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 943 transitions. [2024-11-19 05:50:45,387 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.970164609053498 [2024-11-19 05:50:45,387 INFO L175 Difference]: Start difference. First operand has 338 places, 520 transitions, 2210 flow. Second operand 3 states and 943 transitions. [2024-11-19 05:50:45,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 526 transitions, 2262 flow [2024-11-19 05:50:45,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 526 transitions, 2070 flow, removed 96 selfloop flow, removed 0 redundant places. [2024-11-19 05:50:45,410 INFO L231 Difference]: Finished difference. Result has 341 places, 522 transitions, 2042 flow [2024-11-19 05:50:45,411 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=2018, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2042, PETRI_PLACES=341, PETRI_TRANSITIONS=522} [2024-11-19 05:50:45,411 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 20 predicate places. [2024-11-19 05:50:45,412 INFO L471 AbstractCegarLoop]: Abstraction has has 341 places, 522 transitions, 2042 flow [2024-11-19 05:50:45,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:45,413 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:45,413 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] [2024-11-19 05:50:45,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:50:45,413 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:45,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:45,414 INFO L85 PathProgramCache]: Analyzing trace with hash 616109971, now seen corresponding path program 1 times [2024-11-19 05:50:45,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:45,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276146925] [2024-11-19 05:50:45,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:45,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:45,897 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 05:50:45,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:45,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276146925] [2024-11-19 05:50:45,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276146925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:45,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:45,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:45,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953579196] [2024-11-19 05:50:45,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:45,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:45,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:45,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:45,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:46,335 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 324 [2024-11-19 05:50:46,337 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 522 transitions, 2042 flow. Second operand has 6 states, 6 states have (on average 233.0) internal successors, (1398), 6 states have internal predecessors, (1398), 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 05:50:46,337 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:46,337 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 324 [2024-11-19 05:50:46,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:48,486 INFO L124 PetriNetUnfolderBase]: 2970/10686 cut-off events. [2024-11-19 05:50:48,487 INFO L125 PetriNetUnfolderBase]: For 6020/6123 co-relation queries the response was YES. [2024-11-19 05:50:48,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23742 conditions, 10686 events. 2970/10686 cut-off events. For 6020/6123 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 84581 event pairs, 1872 based on Foata normal form. 0/10145 useless extension candidates. Maximal degree in co-relation 23486. Up to 5591 conditions per place. [2024-11-19 05:50:48,554 INFO L140 encePairwiseOnDemand]: 318/324 looper letters, 285 selfloop transitions, 5 changer transitions 0/521 dead transitions. [2024-11-19 05:50:48,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 521 transitions, 2620 flow [2024-11-19 05:50:48,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:48,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:48,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1471 transitions. [2024-11-19 05:50:48,558 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7566872427983539 [2024-11-19 05:50:48,558 INFO L175 Difference]: Start difference. First operand has 341 places, 522 transitions, 2042 flow. Second operand 6 states and 1471 transitions. [2024-11-19 05:50:48,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 521 transitions, 2620 flow [2024-11-19 05:50:48,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 521 transitions, 2616 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:50:48,576 INFO L231 Difference]: Finished difference. Result has 344 places, 521 transitions, 2046 flow [2024-11-19 05:50:48,577 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=2036, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2046, PETRI_PLACES=344, PETRI_TRANSITIONS=521} [2024-11-19 05:50:48,579 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 23 predicate places. [2024-11-19 05:50:48,579 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 521 transitions, 2046 flow [2024-11-19 05:50:48,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 233.0) internal successors, (1398), 6 states have internal predecessors, (1398), 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 05:50:48,580 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:48,580 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] [2024-11-19 05:50:48,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:50:48,581 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:48,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:48,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1559395517, now seen corresponding path program 1 times [2024-11-19 05:50:48,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:48,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851368732] [2024-11-19 05:50:48,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:48,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:48,776 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 05:50:48,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:48,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851368732] [2024-11-19 05:50:48,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851368732] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:50:48,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271376476] [2024-11-19 05:50:48,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:48,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:50:48,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:50:48,779 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 05:50:48,781 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 05:50:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:48,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 05:50:48,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:50:49,041 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 05:50:49,042 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:50:49,128 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 05:50:49,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271376476] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:50:49,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:50:49,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 05:50:49,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121786094] [2024-11-19 05:50:49,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:50:49,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 05:50:49,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:49,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 05:50:49,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 05:50:49,352 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 324 [2024-11-19 05:50:49,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 521 transitions, 2046 flow. Second operand has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 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 05:50:49,356 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:49,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 324 [2024-11-19 05:50:49,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:50,491 INFO L124 PetriNetUnfolderBase]: 1095/4581 cut-off events. [2024-11-19 05:50:50,492 INFO L125 PetriNetUnfolderBase]: For 683/689 co-relation queries the response was YES. [2024-11-19 05:50:50,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8884 conditions, 4581 events. 1095/4581 cut-off events. For 683/689 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 29144 event pairs, 106 based on Foata normal form. 2/4327 useless extension candidates. Maximal degree in co-relation 8588. Up to 922 conditions per place. [2024-11-19 05:50:50,518 INFO L140 encePairwiseOnDemand]: 315/324 looper letters, 22 selfloop transitions, 13 changer transitions 0/536 dead transitions. [2024-11-19 05:50:50,518 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 536 transitions, 2148 flow [2024-11-19 05:50:50,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 05:50:50,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 05:50:50,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2764 transitions. [2024-11-19 05:50:50,524 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478737997256516 [2024-11-19 05:50:50,524 INFO L175 Difference]: Start difference. First operand has 344 places, 521 transitions, 2046 flow. Second operand 9 states and 2764 transitions. [2024-11-19 05:50:50,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 536 transitions, 2148 flow [2024-11-19 05:50:50,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 536 transitions, 2138 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:50:50,542 INFO L231 Difference]: Finished difference. Result has 350 places, 528 transitions, 2104 flow [2024-11-19 05:50:50,543 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=2036, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2104, PETRI_PLACES=350, PETRI_TRANSITIONS=528} [2024-11-19 05:50:50,543 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 29 predicate places. [2024-11-19 05:50:50,544 INFO L471 AbstractCegarLoop]: Abstraction has has 350 places, 528 transitions, 2104 flow [2024-11-19 05:50:50,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 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 05:50:50,546 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:50,547 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:50,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 05:50:50,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:50:50,752 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:50,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:50,753 INFO L85 PathProgramCache]: Analyzing trace with hash 494578627, now seen corresponding path program 2 times [2024-11-19 05:50:50,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:50,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118590723] [2024-11-19 05:50:50,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:50:50,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:50,802 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:50,802 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:51,170 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-19 05:50:51,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:51,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118590723] [2024-11-19 05:50:51,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118590723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:51,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:51,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:51,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413268424] [2024-11-19 05:50:51,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:51,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:51,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:51,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:51,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:51,590 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 324 [2024-11-19 05:50:51,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 528 transitions, 2104 flow. Second operand has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 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 05:50:51,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:51,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 324 [2024-11-19 05:50:51,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:54,307 INFO L124 PetriNetUnfolderBase]: 3572/12304 cut-off events. [2024-11-19 05:50:54,308 INFO L125 PetriNetUnfolderBase]: For 5280/5362 co-relation queries the response was YES. [2024-11-19 05:50:54,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26818 conditions, 12304 events. 3572/12304 cut-off events. For 5280/5362 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 97915 event pairs, 1616 based on Foata normal form. 0/11548 useless extension candidates. Maximal degree in co-relation 26484. Up to 6064 conditions per place. [2024-11-19 05:50:54,374 INFO L140 encePairwiseOnDemand]: 281/324 looper letters, 245 selfloop transitions, 170 changer transitions 0/697 dead transitions. [2024-11-19 05:50:54,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 697 transitions, 3412 flow [2024-11-19 05:50:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:54,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:54,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1684 transitions. [2024-11-19 05:50:54,379 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8662551440329218 [2024-11-19 05:50:54,379 INFO L175 Difference]: Start difference. First operand has 350 places, 528 transitions, 2104 flow. Second operand 6 states and 1684 transitions. [2024-11-19 05:50:54,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 697 transitions, 3412 flow [2024-11-19 05:50:54,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 697 transitions, 3402 flow, removed 3 selfloop flow, removed 1 redundant places. [2024-11-19 05:50:54,403 INFO L231 Difference]: Finished difference. Result has 359 places, 689 transitions, 3344 flow [2024-11-19 05:50:54,404 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=2094, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3344, PETRI_PLACES=359, PETRI_TRANSITIONS=689} [2024-11-19 05:50:54,405 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 38 predicate places. [2024-11-19 05:50:54,405 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 689 transitions, 3344 flow [2024-11-19 05:50:54,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 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 05:50:54,406 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:54,407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:54,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:50:54,407 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:54,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:54,408 INFO L85 PathProgramCache]: Analyzing trace with hash -76154808, now seen corresponding path program 1 times [2024-11-19 05:50:54,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:54,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563796299] [2024-11-19 05:50:54,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:54,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:54,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:54,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563796299] [2024-11-19 05:50:54,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563796299] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:50:54,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726713238] [2024-11-19 05:50:54,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:54,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:50:54,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:50:54,781 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 05:50:54,783 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 05:50:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:55,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 05:50:55,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:50:55,301 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:55,301 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:50:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:55,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726713238] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:50:55,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:50:55,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-19 05:50:55,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555462458] [2024-11-19 05:50:55,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:50:55,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 05:50:55,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:55,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 05:50:55,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-19 05:50:55,969 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 324 [2024-11-19 05:50:55,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 689 transitions, 3344 flow. Second operand has 18 states, 18 states have (on average 305.0) internal successors, (5490), 18 states have internal predecessors, (5490), 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 05:50:55,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:55,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 324 [2024-11-19 05:50:55,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:57,498 INFO L124 PetriNetUnfolderBase]: 1777/6922 cut-off events. [2024-11-19 05:50:57,498 INFO L125 PetriNetUnfolderBase]: For 3172/3271 co-relation queries the response was YES. [2024-11-19 05:50:57,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16027 conditions, 6922 events. 1777/6922 cut-off events. For 3172/3271 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 48045 event pairs, 163 based on Foata normal form. 4/6621 useless extension candidates. Maximal degree in co-relation 15426. Up to 1392 conditions per place. [2024-11-19 05:50:57,539 INFO L140 encePairwiseOnDemand]: 315/324 looper letters, 26 selfloop transitions, 25 changer transitions 0/713 dead transitions. [2024-11-19 05:50:57,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 713 transitions, 3546 flow [2024-11-19 05:50:57,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-19 05:50:57,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-19 05:50:57,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6418 transitions. [2024-11-19 05:50:57,551 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9432686654908877 [2024-11-19 05:50:57,551 INFO L175 Difference]: Start difference. First operand has 359 places, 689 transitions, 3344 flow. Second operand 21 states and 6418 transitions. [2024-11-19 05:50:57,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 713 transitions, 3546 flow [2024-11-19 05:50:57,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 713 transitions, 3510 flow, removed 18 selfloop flow, removed 0 redundant places. [2024-11-19 05:50:57,599 INFO L231 Difference]: Finished difference. Result has 384 places, 702 transitions, 3452 flow [2024-11-19 05:50:57,600 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=3308, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=689, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=674, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=3452, PETRI_PLACES=384, PETRI_TRANSITIONS=702} [2024-11-19 05:50:57,600 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 63 predicate places. [2024-11-19 05:50:57,601 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 702 transitions, 3452 flow [2024-11-19 05:50:57,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 305.0) internal successors, (5490), 18 states have internal predecessors, (5490), 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 05:50:57,604 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:57,605 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:50:57,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 05:50:57,805 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,SelfDestructingSolverStorable6 [2024-11-19 05:50:57,806 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:57,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:57,807 INFO L85 PathProgramCache]: Analyzing trace with hash -185603768, now seen corresponding path program 2 times [2024-11-19 05:50:57,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:57,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163669766] [2024-11-19 05:50:57,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:50:57,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:57,888 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:57,888 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:58,287 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2024-11-19 05:50:58,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:58,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163669766] [2024-11-19 05:50:58,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163669766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:58,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:58,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:58,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720350119] [2024-11-19 05:50:58,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:58,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:58,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:58,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:58,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:58,636 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 324 [2024-11-19 05:50:58,637 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 702 transitions, 3452 flow. Second operand has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 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 05:50:58,638 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:58,638 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 324 [2024-11-19 05:50:58,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:02,761 INFO L124 PetriNetUnfolderBase]: 4263/14675 cut-off events. [2024-11-19 05:51:02,761 INFO L125 PetriNetUnfolderBase]: For 10453/10598 co-relation queries the response was YES. [2024-11-19 05:51:02,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37006 conditions, 14675 events. 4263/14675 cut-off events. For 10453/10598 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 119280 event pairs, 1677 based on Foata normal form. 0/13875 useless extension candidates. Maximal degree in co-relation 36312. Up to 6897 conditions per place. [2024-11-19 05:51:02,904 INFO L140 encePairwiseOnDemand]: 281/324 looper letters, 395 selfloop transitions, 170 changer transitions 0/871 dead transitions. [2024-11-19 05:51:02,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 871 transitions, 5360 flow [2024-11-19 05:51:02,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:51:02,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:51:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1684 transitions. [2024-11-19 05:51:02,917 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8662551440329218 [2024-11-19 05:51:02,919 INFO L175 Difference]: Start difference. First operand has 384 places, 702 transitions, 3452 flow. Second operand 6 states and 1684 transitions. [2024-11-19 05:51:02,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 871 transitions, 5360 flow [2024-11-19 05:51:03,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 871 transitions, 5334 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-19 05:51:03,031 INFO L231 Difference]: Finished difference. Result has 388 places, 863 transitions, 4976 flow [2024-11-19 05:51:03,032 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=3426, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=640, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4976, PETRI_PLACES=388, PETRI_TRANSITIONS=863} [2024-11-19 05:51:03,034 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 67 predicate places. [2024-11-19 05:51:03,035 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 863 transitions, 4976 flow [2024-11-19 05:51:03,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 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 05:51:03,036 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:03,036 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:03,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:51:03,037 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:03,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:03,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1059321477, now seen corresponding path program 1 times [2024-11-19 05:51:03,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:03,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108674752] [2024-11-19 05:51:03,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:03,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:51:04,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:04,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108674752] [2024-11-19 05:51:04,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108674752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:51:04,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983517004] [2024-11-19 05:51:04,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:04,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:51:04,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:51:04,247 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 05:51:04,251 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 05:51:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:04,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 05:51:04,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:51:05,013 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:51:05,014 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:51:05,490 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:51:05,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983517004] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:51:05,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:51:05,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-19 05:51:05,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551350525] [2024-11-19 05:51:05,492 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:51:05,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 05:51:05,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:05,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 05:51:05,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-19 05:51:05,869 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 324 [2024-11-19 05:51:05,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 863 transitions, 4976 flow. Second operand has 23 states, 23 states have (on average 305.2173913043478) internal successors, (7020), 23 states have internal predecessors, (7020), 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 05:51:05,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:05,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 324 [2024-11-19 05:51:05,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:08,251 INFO L124 PetriNetUnfolderBase]: 2478/9371 cut-off events. [2024-11-19 05:51:08,252 INFO L125 PetriNetUnfolderBase]: For 7419/7565 co-relation queries the response was YES. [2024-11-19 05:51:08,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24560 conditions, 9371 events. 2478/9371 cut-off events. For 7419/7565 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 68753 event pairs, 229 based on Foata normal form. 3/9000 useless extension candidates. Maximal degree in co-relation 23696. Up to 2110 conditions per place. [2024-11-19 05:51:08,317 INFO L140 encePairwiseOnDemand]: 315/324 looper letters, 29 selfloop transitions, 34 changer transitions 0/886 dead transitions. [2024-11-19 05:51:08,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 886 transitions, 5236 flow [2024-11-19 05:51:08,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-19 05:51:08,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-19 05:51:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 9156 transitions. [2024-11-19 05:51:08,335 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419753086419753 [2024-11-19 05:51:08,335 INFO L175 Difference]: Start difference. First operand has 388 places, 863 transitions, 4976 flow. Second operand 30 states and 9156 transitions. [2024-11-19 05:51:08,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 886 transitions, 5236 flow [2024-11-19 05:51:08,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 886 transitions, 4900 flow, removed 168 selfloop flow, removed 0 redundant places. [2024-11-19 05:51:08,431 INFO L231 Difference]: Finished difference. Result has 421 places, 873 transitions, 4806 flow [2024-11-19 05:51:08,433 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=4640, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=863, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=836, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=4806, PETRI_PLACES=421, PETRI_TRANSITIONS=873} [2024-11-19 05:51:08,433 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 100 predicate places. [2024-11-19 05:51:08,433 INFO L471 AbstractCegarLoop]: Abstraction has has 421 places, 873 transitions, 4806 flow [2024-11-19 05:51:08,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 305.2173913043478) internal successors, (7020), 23 states have internal predecessors, (7020), 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 05:51:08,436 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:08,436 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:08,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 05:51:08,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:51:08,640 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:08,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:08,641 INFO L85 PathProgramCache]: Analyzing trace with hash 359516673, now seen corresponding path program 2 times [2024-11-19 05:51:08,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:08,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674904660] [2024-11-19 05:51:08,641 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:51:08,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:08,723 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:51:08,724 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:51:09,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2024-11-19 05:51:09,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:09,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674904660] [2024-11-19 05:51:09,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674904660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:09,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:09,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 05:51:09,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767248171] [2024-11-19 05:51:09,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:09,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 05:51:09,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:09,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 05:51:09,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-19 05:51:10,516 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 324 [2024-11-19 05:51:10,518 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 873 transitions, 4806 flow. Second operand has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 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 05:51:10,518 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:10,518 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 324 [2024-11-19 05:51:10,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:15,993 INFO L124 PetriNetUnfolderBase]: 4877/16068 cut-off events. [2024-11-19 05:51:15,993 INFO L125 PetriNetUnfolderBase]: For 17214/17649 co-relation queries the response was YES. [2024-11-19 05:51:16,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46677 conditions, 16068 events. 4877/16068 cut-off events. For 17214/17649 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 129217 event pairs, 1704 based on Foata normal form. 20/15366 useless extension candidates. Maximal degree in co-relation 45651. Up to 5419 conditions per place. [2024-11-19 05:51:16,113 INFO L140 encePairwiseOnDemand]: 276/324 looper letters, 591 selfloop transitions, 145 changer transitions 0/1041 dead transitions. [2024-11-19 05:51:16,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 1041 transitions, 7260 flow [2024-11-19 05:51:16,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 05:51:16,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-19 05:51:16,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3080 transitions. [2024-11-19 05:51:16,121 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7921810699588477 [2024-11-19 05:51:16,122 INFO L175 Difference]: Start difference. First operand has 421 places, 873 transitions, 4806 flow. Second operand 12 states and 3080 transitions. [2024-11-19 05:51:16,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 1041 transitions, 7260 flow [2024-11-19 05:51:16,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 1041 transitions, 7212 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-19 05:51:16,264 INFO L231 Difference]: Finished difference. Result has 419 places, 892 transitions, 5384 flow [2024-11-19 05:51:16,266 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=4758, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=873, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=732, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5384, PETRI_PLACES=419, PETRI_TRANSITIONS=892} [2024-11-19 05:51:16,266 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 98 predicate places. [2024-11-19 05:51:16,266 INFO L471 AbstractCegarLoop]: Abstraction has has 419 places, 892 transitions, 5384 flow [2024-11-19 05:51:16,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 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 05:51:16,268 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:16,268 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:16,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:51:16,268 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:16,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:16,271 INFO L85 PathProgramCache]: Analyzing trace with hash 2137947601, now seen corresponding path program 3 times [2024-11-19 05:51:16,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:16,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952347644] [2024-11-19 05:51:16,271 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 05:51:16,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:16,370 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 05:51:16,371 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:51:16,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2024-11-19 05:51:16,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:16,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952347644] [2024-11-19 05:51:16,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952347644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:16,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:16,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 05:51:16,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789768438] [2024-11-19 05:51:16,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:16,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 05:51:16,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:16,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 05:51:16,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-19 05:51:18,007 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 324 [2024-11-19 05:51:18,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 892 transitions, 5384 flow. Second operand has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 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 05:51:18,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:18,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 324 [2024-11-19 05:51:18,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:24,452 INFO L124 PetriNetUnfolderBase]: 5770/18258 cut-off events. [2024-11-19 05:51:24,452 INFO L125 PetriNetUnfolderBase]: For 24496/24694 co-relation queries the response was YES. [2024-11-19 05:51:24,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57797 conditions, 18258 events. 5770/18258 cut-off events. For 24496/24694 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 148265 event pairs, 1608 based on Foata normal form. 82/17663 useless extension candidates. Maximal degree in co-relation 56668. Up to 4534 conditions per place. [2024-11-19 05:51:24,799 INFO L140 encePairwiseOnDemand]: 283/324 looper letters, 868 selfloop transitions, 148 changer transitions 0/1321 dead transitions. [2024-11-19 05:51:24,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 1321 transitions, 10834 flow [2024-11-19 05:51:24,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 05:51:24,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-19 05:51:24,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 5615 transitions. [2024-11-19 05:51:24,807 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7534889962426194 [2024-11-19 05:51:24,807 INFO L175 Difference]: Start difference. First operand has 419 places, 892 transitions, 5384 flow. Second operand 23 states and 5615 transitions. [2024-11-19 05:51:24,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 1321 transitions, 10834 flow [2024-11-19 05:51:24,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 1321 transitions, 10620 flow, removed 1 selfloop flow, removed 6 redundant places. [2024-11-19 05:51:24,930 INFO L231 Difference]: Finished difference. Result has 452 places, 1021 transitions, 7048 flow [2024-11-19 05:51:24,931 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=5268, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=892, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=786, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=7048, PETRI_PLACES=452, PETRI_TRANSITIONS=1021} [2024-11-19 05:51:24,931 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 131 predicate places. [2024-11-19 05:51:24,931 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 1021 transitions, 7048 flow [2024-11-19 05:51:24,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 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 05:51:24,932 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:24,933 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:24,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 05:51:24,933 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:24,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:24,933 INFO L85 PathProgramCache]: Analyzing trace with hash -381576479, now seen corresponding path program 4 times [2024-11-19 05:51:24,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:24,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295691625] [2024-11-19 05:51:24,934 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 05:51:24,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:25,090 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 05:51:25,090 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:51:26,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2024-11-19 05:51:26,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:26,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295691625] [2024-11-19 05:51:26,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295691625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:26,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:26,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 05:51:26,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263219375] [2024-11-19 05:51:26,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:26,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 05:51:26,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:26,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 05:51:26,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-19 05:51:27,784 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 324 [2024-11-19 05:51:27,786 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 1021 transitions, 7048 flow. Second operand has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 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 05:51:27,786 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:27,786 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 324 [2024-11-19 05:51:27,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:34,934 INFO L124 PetriNetUnfolderBase]: 5852/18503 cut-off events. [2024-11-19 05:51:34,934 INFO L125 PetriNetUnfolderBase]: For 34129/34575 co-relation queries the response was YES. [2024-11-19 05:51:35,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62796 conditions, 18503 events. 5852/18503 cut-off events. For 34129/34575 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 150639 event pairs, 1708 based on Foata normal form. 50/17821 useless extension candidates. Maximal degree in co-relation 61680. Up to 5461 conditions per place. [2024-11-19 05:51:35,068 INFO L140 encePairwiseOnDemand]: 276/324 looper letters, 661 selfloop transitions, 237 changer transitions 0/1203 dead transitions. [2024-11-19 05:51:35,068 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 1203 transitions, 10245 flow [2024-11-19 05:51:35,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:51:35,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:51:35,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3313 transitions. [2024-11-19 05:51:35,072 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7865622032288699 [2024-11-19 05:51:35,073 INFO L175 Difference]: Start difference. First operand has 452 places, 1021 transitions, 7048 flow. Second operand 13 states and 3313 transitions. [2024-11-19 05:51:35,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 1203 transitions, 10245 flow [2024-11-19 05:51:35,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 1203 transitions, 10133 flow, removed 26 selfloop flow, removed 2 redundant places. [2024-11-19 05:51:35,295 INFO L231 Difference]: Finished difference. Result has 469 places, 1050 transitions, 8209 flow [2024-11-19 05:51:35,296 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=6982, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1021, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=210, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=793, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8209, PETRI_PLACES=469, PETRI_TRANSITIONS=1050} [2024-11-19 05:51:35,296 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 148 predicate places. [2024-11-19 05:51:35,297 INFO L471 AbstractCegarLoop]: Abstraction has has 469 places, 1050 transitions, 8209 flow [2024-11-19 05:51:35,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 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 05:51:35,298 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:35,298 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:35,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 05:51:35,298 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:35,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:35,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1109500429, now seen corresponding path program 5 times [2024-11-19 05:51:35,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:35,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769135820] [2024-11-19 05:51:35,299 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 05:51:35,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:35,777 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-11-19 05:51:35,777 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:51:38,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2024-11-19 05:51:38,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:38,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769135820] [2024-11-19 05:51:38,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769135820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:38,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:38,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 05:51:38,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478718782] [2024-11-19 05:51:38,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:38,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 05:51:38,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:38,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 05:51:38,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-19 05:51:39,078 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 324 [2024-11-19 05:51:39,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 469 places, 1050 transitions, 8209 flow. Second operand has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 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 05:51:39,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:39,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 324 [2024-11-19 05:51:39,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:46,022 INFO L124 PetriNetUnfolderBase]: 6726/20601 cut-off events. [2024-11-19 05:51:46,022 INFO L125 PetriNetUnfolderBase]: For 52911/53583 co-relation queries the response was YES. [2024-11-19 05:51:46,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76579 conditions, 20601 events. 6726/20601 cut-off events. For 52911/53583 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 170279 event pairs, 2045 based on Foata normal form. 98/19927 useless extension candidates. Maximal degree in co-relation 75325. Up to 9355 conditions per place. [2024-11-19 05:51:46,319 INFO L140 encePairwiseOnDemand]: 283/324 looper letters, 860 selfloop transitions, 197 changer transitions 0/1362 dead transitions. [2024-11-19 05:51:46,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 1362 transitions, 13664 flow [2024-11-19 05:51:46,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 05:51:46,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-19 05:51:46,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 4846 transitions. [2024-11-19 05:51:46,323 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7478395061728395 [2024-11-19 05:51:46,323 INFO L175 Difference]: Start difference. First operand has 469 places, 1050 transitions, 8209 flow. Second operand 20 states and 4846 transitions. [2024-11-19 05:51:46,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 1362 transitions, 13664 flow [2024-11-19 05:51:46,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 482 places, 1362 transitions, 13376 flow, removed 26 selfloop flow, removed 6 redundant places. [2024-11-19 05:51:46,712 INFO L231 Difference]: Finished difference. Result has 497 places, 1162 transitions, 10410 flow [2024-11-19 05:51:46,713 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=8020, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1050, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=881, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=10410, PETRI_PLACES=497, PETRI_TRANSITIONS=1162} [2024-11-19 05:51:46,714 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 176 predicate places. [2024-11-19 05:51:46,714 INFO L471 AbstractCegarLoop]: Abstraction has has 497 places, 1162 transitions, 10410 flow [2024-11-19 05:51:46,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 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 05:51:46,715 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:46,715 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:51:46,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 05:51:46,716 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:46,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:46,716 INFO L85 PathProgramCache]: Analyzing trace with hash 142212257, now seen corresponding path program 6 times [2024-11-19 05:51:46,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:46,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469120716] [2024-11-19 05:51:46,716 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 05:51:46,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:46,797 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 05:51:46,797 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:51:47,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2024-11-19 05:51:47,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:47,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469120716] [2024-11-19 05:51:47,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469120716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:47,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:47,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 05:51:47,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699423920] [2024-11-19 05:51:47,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:47,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 05:51:47,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:47,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 05:51:47,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110