./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d 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_22-nocollapse.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 a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:53:24,275 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:53:24,354 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:53:24,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:53:24,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:53:24,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:53:24,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:53:24,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:53:24,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:53:24,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:53:24,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:53:24,402 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:53:24,402 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:53:24,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:53:24,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:53:24,405 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:53:24,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:53:24,406 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:53:24,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:53:24,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:53:24,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:53:24,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:53:24,411 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:53:24,411 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:53:24,411 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:53:24,411 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:53:24,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:53:24,412 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:53:24,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:53:24,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:53:24,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:53:24,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:53:24,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:53:24,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:53:24,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:53:24,414 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:53:24,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:53:24,416 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:53:24,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:53:24,417 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:53:24,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:53:24,417 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df [2024-11-09 06:53:24,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:53:24,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:53:24,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:53:24,733 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:53:24,734 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:53:24,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2024-11-09 06:53:26,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:53:26,554 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:53:26,555 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2024-11-09 06:53:26,580 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/644df89d8/b461e47f36904b1da64c57cae8d71c4a/FLAGe494a3171 [2024-11-09 06:53:26,597 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/644df89d8/b461e47f36904b1da64c57cae8d71c4a [2024-11-09 06:53:26,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:53:26,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:53:26,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:53:26,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:53:26,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:53:26,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:53:26" (1/1) ... [2024-11-09 06:53:26,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250738aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:26, skipping insertion in model container [2024-11-09 06:53:26,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:53:26" (1/1) ... [2024-11-09 06:53:26,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:53:27,133 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:53:27,135 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:53:27,135 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:53:27,136 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:53:27,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:53:27,229 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:53:27,272 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:53:27,273 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:53:27,274 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:53:27,278 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-09 06:53:27,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:53:27,388 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:53:27,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:27 WrapperNode [2024-11-09 06:53:27,389 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:53:27,390 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:53:27,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:53:27,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:53:27,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:27" (1/1) ... [2024-11-09 06:53:27,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:27" (1/1) ... [2024-11-09 06:53:27,458 INFO L138 Inliner]: procedures = 274, calls = 98, calls flagged for inlining = 9, calls inlined = 8, statements flattened = 282 [2024-11-09 06:53:27,458 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:53:27,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:53:27,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:53:27,459 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:53:27,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:27" (1/1) ... [2024-11-09 06:53:27,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:27" (1/1) ... [2024-11-09 06:53:27,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:27" (1/1) ... [2024-11-09 06:53:27,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:27" (1/1) ... [2024-11-09 06:53:27,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:27" (1/1) ... [2024-11-09 06:53:27,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:27" (1/1) ... [2024-11-09 06:53:27,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:27" (1/1) ... [2024-11-09 06:53:27,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:27" (1/1) ... [2024-11-09 06:53:27,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:53:27,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:53:27,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:53:27,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:53:27,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:27" (1/1) ... [2024-11-09 06:53:27,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:53:27,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:53:27,557 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) [2024-11-09 06:53:27,559 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 [2024-11-09 06:53:27,598 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-09 06:53:27,598 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-09 06:53:27,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:53:27,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 06:53:27,598 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 06:53:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:53:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:53:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 06:53:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:53:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:53:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:53:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:53:27,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:53:27,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:53:27,601 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:53:27,738 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:53:27,740 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:53:28,247 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:53:28,248 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:53:28,287 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:53:28,287 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 06:53:28,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:53:28 BoogieIcfgContainer [2024-11-09 06:53:28,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:53:28,289 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:53:28,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:53:28,294 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:53:28,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:53:26" (1/3) ... [2024-11-09 06:53:28,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d45f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:53:28, skipping insertion in model container [2024-11-09 06:53:28,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:53:27" (2/3) ... [2024-11-09 06:53:28,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d45f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:53:28, skipping insertion in model container [2024-11-09 06:53:28,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:53:28" (3/3) ... [2024-11-09 06:53:28,298 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_22-nocollapse.i [2024-11-09 06:53:28,311 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:53:28,312 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-09 06:53:28,312 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:53:28,435 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 06:53:28,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 377 places, 385 transitions, 778 flow [2024-11-09 06:53:28,652 INFO L124 PetriNetUnfolderBase]: 15/383 cut-off events. [2024-11-09 06:53:28,653 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:53:28,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 383 events. 15/383 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 595 event pairs, 0 based on Foata normal form. 0/350 useless extension candidates. Maximal degree in co-relation 308. Up to 2 conditions per place. [2024-11-09 06:53:28,664 INFO L82 GeneralOperation]: Start removeDead. Operand has 377 places, 385 transitions, 778 flow [2024-11-09 06:53:28,673 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 375 places, 383 transitions, 772 flow [2024-11-09 06:53:28,687 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:53:28,694 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;@1bbfca58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:53:28,695 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-09 06:53:28,743 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:53:28,743 INFO L124 PetriNetUnfolderBase]: 2/115 cut-off events. [2024-11-09 06:53:28,744 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:53:28,744 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:28,745 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] [2024-11-09 06:53:28,746 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-09 06:53:28,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:28,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1341454812, now seen corresponding path program 1 times [2024-11-09 06:53:28,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:28,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443721343] [2024-11-09 06:53:28,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:28,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:29,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:29,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:29,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443721343] [2024-11-09 06:53:29,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443721343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:29,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:29,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:29,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889196388] [2024-11-09 06:53:29,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:29,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:29,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:29,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:29,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:30,542 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 385 [2024-11-09 06:53:30,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 383 transitions, 772 flow. Second operand has 6 states, 6 states have (on average 293.3333333333333) internal successors, (1760), 6 states have internal predecessors, (1760), 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) [2024-11-09 06:53:30,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:30,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 385 [2024-11-09 06:53:30,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:30,979 INFO L124 PetriNetUnfolderBase]: 449/1855 cut-off events. [2024-11-09 06:53:30,980 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-09 06:53:30,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2754 conditions, 1855 events. 449/1855 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 11671 event pairs, 342 based on Foata normal form. 153/1800 useless extension candidates. Maximal degree in co-relation 2477. Up to 846 conditions per place. [2024-11-09 06:53:31,003 INFO L140 encePairwiseOnDemand]: 364/385 looper letters, 72 selfloop transitions, 10 changer transitions 1/372 dead transitions. [2024-11-09 06:53:31,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 372 transitions, 914 flow [2024-11-09 06:53:31,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:31,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:31,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1845 transitions. [2024-11-09 06:53:31,034 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7987012987012987 [2024-11-09 06:53:31,037 INFO L175 Difference]: Start difference. First operand has 375 places, 383 transitions, 772 flow. Second operand 6 states and 1845 transitions. [2024-11-09 06:53:31,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 372 transitions, 914 flow [2024-11-09 06:53:31,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 372 transitions, 912 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:53:31,056 INFO L231 Difference]: Finished difference. Result has 376 places, 371 transitions, 766 flow [2024-11-09 06:53:31,059 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=766, PETRI_PLACES=376, PETRI_TRANSITIONS=371} [2024-11-09 06:53:31,062 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, 1 predicate places. [2024-11-09 06:53:31,063 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 371 transitions, 766 flow [2024-11-09 06:53:31,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 293.3333333333333) internal successors, (1760), 6 states have internal predecessors, (1760), 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) [2024-11-09 06:53:31,065 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:31,065 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] [2024-11-09 06:53:31,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:53:31,065 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-09 06:53:31,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:31,067 INFO L85 PathProgramCache]: Analyzing trace with hash 548282974, now seen corresponding path program 1 times [2024-11-09 06:53:31,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:31,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524947855] [2024-11-09 06:53:31,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:31,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:31,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:31,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:31,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524947855] [2024-11-09 06:53:31,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524947855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:31,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:31,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:31,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737398758] [2024-11-09 06:53:31,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:31,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:31,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:31,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:31,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:32,149 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 385 [2024-11-09 06:53:32,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 371 transitions, 766 flow. Second operand has 6 states, 6 states have (on average 293.3333333333333) internal successors, (1760), 6 states have internal predecessors, (1760), 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) [2024-11-09 06:53:32,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:32,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 385 [2024-11-09 06:53:32,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:32,615 INFO L124 PetriNetUnfolderBase]: 449/1852 cut-off events. [2024-11-09 06:53:32,616 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:53:32,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2760 conditions, 1852 events. 449/1852 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 11596 event pairs, 342 based on Foata normal form. 0/1647 useless extension candidates. Maximal degree in co-relation 2586. Up to 846 conditions per place. [2024-11-09 06:53:32,628 INFO L140 encePairwiseOnDemand]: 373/385 looper letters, 72 selfloop transitions, 10 changer transitions 0/369 dead transitions. [2024-11-09 06:53:32,628 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 369 transitions, 926 flow [2024-11-09 06:53:32,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:32,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1836 transitions. [2024-11-09 06:53:32,633 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7948051948051948 [2024-11-09 06:53:32,633 INFO L175 Difference]: Start difference. First operand has 376 places, 371 transitions, 766 flow. Second operand 6 states and 1836 transitions. [2024-11-09 06:53:32,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 369 transitions, 926 flow [2024-11-09 06:53:32,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 369 transitions, 906 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:53:32,641 INFO L231 Difference]: Finished difference. Result has 373 places, 369 transitions, 762 flow [2024-11-09 06:53:32,642 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=762, PETRI_PLACES=373, PETRI_TRANSITIONS=369} [2024-11-09 06:53:32,643 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -2 predicate places. [2024-11-09 06:53:32,643 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 369 transitions, 762 flow [2024-11-09 06:53:32,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 293.3333333333333) internal successors, (1760), 6 states have internal predecessors, (1760), 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) [2024-11-09 06:53:32,644 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:32,645 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] [2024-11-09 06:53:32,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:53:32,645 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-09 06:53:32,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:32,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1130614480, now seen corresponding path program 1 times [2024-11-09 06:53:32,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:32,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51461238] [2024-11-09 06:53:32,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:32,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:32,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:32,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:32,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51461238] [2024-11-09 06:53:32,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51461238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:32,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:32,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:53:32,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296126263] [2024-11-09 06:53:32,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:32,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:32,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:32,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:32,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:32,767 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 385 [2024-11-09 06:53:32,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 369 transitions, 762 flow. Second operand has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 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) [2024-11-09 06:53:32,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:32,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 385 [2024-11-09 06:53:32,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:32,858 INFO L124 PetriNetUnfolderBase]: 29/671 cut-off events. [2024-11-09 06:53:32,859 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:53:32,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 747 conditions, 671 events. 29/671 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2421 event pairs, 18 based on Foata normal form. 1/620 useless extension candidates. Maximal degree in co-relation 435. Up to 45 conditions per place. [2024-11-09 06:53:32,864 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 11 selfloop transitions, 2 changer transitions 0/370 dead transitions. [2024-11-09 06:53:32,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 370 transitions, 790 flow [2024-11-09 06:53:32,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:32,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:53:32,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1106 transitions. [2024-11-09 06:53:32,868 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9575757575757575 [2024-11-09 06:53:32,868 INFO L175 Difference]: Start difference. First operand has 373 places, 369 transitions, 762 flow. Second operand 3 states and 1106 transitions. [2024-11-09 06:53:32,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 370 transitions, 790 flow [2024-11-09 06:53:32,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 370 transitions, 770 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:53:32,876 INFO L231 Difference]: Finished difference. Result has 371 places, 370 transitions, 754 flow [2024-11-09 06:53:32,877 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=754, PETRI_PLACES=371, PETRI_TRANSITIONS=370} [2024-11-09 06:53:32,878 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -4 predicate places. [2024-11-09 06:53:32,878 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 370 transitions, 754 flow [2024-11-09 06:53:32,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 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) [2024-11-09 06:53:32,879 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:32,880 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] [2024-11-09 06:53:32,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:53:32,880 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-09 06:53:32,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:32,880 INFO L85 PathProgramCache]: Analyzing trace with hash 67564193, now seen corresponding path program 1 times [2024-11-09 06:53:32,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:32,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957549050] [2024-11-09 06:53:32,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:32,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:33,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:33,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957549050] [2024-11-09 06:53:33,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957549050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:33,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:33,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:33,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843055683] [2024-11-09 06:53:33,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:33,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:33,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:33,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:33,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:33,915 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 385 [2024-11-09 06:53:33,917 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 370 transitions, 754 flow. Second operand has 6 states, 6 states have (on average 293.6666666666667) internal successors, (1762), 6 states have internal predecessors, (1762), 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) [2024-11-09 06:53:33,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:33,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 385 [2024-11-09 06:53:33,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:34,220 INFO L124 PetriNetUnfolderBase]: 450/1974 cut-off events. [2024-11-09 06:53:34,221 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:53:34,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2926 conditions, 1974 events. 450/1974 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12366 event pairs, 342 based on Foata normal form. 0/1765 useless extension candidates. Maximal degree in co-relation 2660. Up to 894 conditions per place. [2024-11-09 06:53:34,233 INFO L140 encePairwiseOnDemand]: 379/385 looper letters, 79 selfloop transitions, 5 changer transitions 0/369 dead transitions. [2024-11-09 06:53:34,234 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 369 transitions, 920 flow [2024-11-09 06:53:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:34,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:34,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1831 transitions. [2024-11-09 06:53:34,238 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7926406926406926 [2024-11-09 06:53:34,238 INFO L175 Difference]: Start difference. First operand has 371 places, 370 transitions, 754 flow. Second operand 6 states and 1831 transitions. [2024-11-09 06:53:34,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 369 transitions, 920 flow [2024-11-09 06:53:34,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 369 transitions, 918 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:53:34,244 INFO L231 Difference]: Finished difference. Result has 374 places, 369 transitions, 760 flow [2024-11-09 06:53:34,245 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=760, PETRI_PLACES=374, PETRI_TRANSITIONS=369} [2024-11-09 06:53:34,246 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -1 predicate places. [2024-11-09 06:53:34,247 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 369 transitions, 760 flow [2024-11-09 06:53:34,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 293.6666666666667) internal successors, (1762), 6 states have internal predecessors, (1762), 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) [2024-11-09 06:53:34,248 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:34,248 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:34,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:53:34,249 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-09 06:53:34,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:34,249 INFO L85 PathProgramCache]: Analyzing trace with hash -156574999, now seen corresponding path program 1 times [2024-11-09 06:53:34,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:34,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894908520] [2024-11-09 06:53:34,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:34,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:34,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:34,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:34,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894908520] [2024-11-09 06:53:34,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894908520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:34,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:34,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:53:34,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737524624] [2024-11-09 06:53:34,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:34,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:53:34,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:34,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:53:34,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:53:34,347 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 385 [2024-11-09 06:53:34,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 369 transitions, 760 flow. Second operand has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 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) [2024-11-09 06:53:34,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:34,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 385 [2024-11-09 06:53:34,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:34,479 INFO L124 PetriNetUnfolderBase]: 29/857 cut-off events. [2024-11-09 06:53:34,479 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:53:34,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 943 conditions, 857 events. 29/857 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2404 event pairs, 18 based on Foata normal form. 2/801 useless extension candidates. Maximal degree in co-relation 513. Up to 49 conditions per place. [2024-11-09 06:53:34,482 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 11 selfloop transitions, 2 changer transitions 0/370 dead transitions. [2024-11-09 06:53:34,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 370 transitions, 788 flow [2024-11-09 06:53:34,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:53:34,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:53:34,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1106 transitions. [2024-11-09 06:53:34,485 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9575757575757575 [2024-11-09 06:53:34,485 INFO L175 Difference]: Start difference. First operand has 374 places, 369 transitions, 760 flow. Second operand 3 states and 1106 transitions. [2024-11-09 06:53:34,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 370 transitions, 788 flow [2024-11-09 06:53:34,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 370 transitions, 778 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:53:34,493 INFO L231 Difference]: Finished difference. Result has 372 places, 370 transitions, 762 flow [2024-11-09 06:53:34,494 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=762, PETRI_PLACES=372, PETRI_TRANSITIONS=370} [2024-11-09 06:53:34,495 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -3 predicate places. [2024-11-09 06:53:34,495 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 370 transitions, 762 flow [2024-11-09 06:53:34,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 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) [2024-11-09 06:53:34,496 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:34,496 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:34,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:53:34,498 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-09 06:53:34,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:34,499 INFO L85 PathProgramCache]: Analyzing trace with hash 69375716, now seen corresponding path program 1 times [2024-11-09 06:53:34,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:34,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773370653] [2024-11-09 06:53:34,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:34,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:35,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:35,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:35,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773370653] [2024-11-09 06:53:35,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773370653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:35,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:35,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:35,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84826052] [2024-11-09 06:53:35,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:35,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:35,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:35,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:35,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:35,605 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 385 [2024-11-09 06:53:35,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 370 transitions, 762 flow. Second operand has 6 states, 6 states have (on average 320.5) internal successors, (1923), 6 states have internal predecessors, (1923), 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) [2024-11-09 06:53:35,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:35,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 385 [2024-11-09 06:53:35,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:35,840 INFO L124 PetriNetUnfolderBase]: 75/1169 cut-off events. [2024-11-09 06:53:35,841 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 06:53:35,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1486 conditions, 1169 events. 75/1169 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4567 event pairs, 42 based on Foata normal form. 0/1076 useless extension candidates. Maximal degree in co-relation 953. Up to 263 conditions per place. [2024-11-09 06:53:35,849 INFO L140 encePairwiseOnDemand]: 379/385 looper letters, 54 selfloop transitions, 5 changer transitions 0/369 dead transitions. [2024-11-09 06:53:35,850 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 369 transitions, 878 flow [2024-11-09 06:53:35,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:35,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:35,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1956 transitions. [2024-11-09 06:53:35,854 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8467532467532467 [2024-11-09 06:53:35,854 INFO L175 Difference]: Start difference. First operand has 372 places, 370 transitions, 762 flow. Second operand 6 states and 1956 transitions. [2024-11-09 06:53:35,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 369 transitions, 878 flow [2024-11-09 06:53:35,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 369 transitions, 876 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:53:35,862 INFO L231 Difference]: Finished difference. Result has 375 places, 369 transitions, 768 flow [2024-11-09 06:53:35,863 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=768, PETRI_PLACES=375, PETRI_TRANSITIONS=369} [2024-11-09 06:53:35,865 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, 0 predicate places. [2024-11-09 06:53:35,865 INFO L471 AbstractCegarLoop]: Abstraction has has 375 places, 369 transitions, 768 flow [2024-11-09 06:53:35,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 320.5) internal successors, (1923), 6 states have internal predecessors, (1923), 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) [2024-11-09 06:53:35,867 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:35,867 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:35,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:53:35,867 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-09 06:53:35,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:35,868 INFO L85 PathProgramCache]: Analyzing trace with hash 858560355, now seen corresponding path program 1 times [2024-11-09 06:53:35,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:35,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542557910] [2024-11-09 06:53:35,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:35,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:36,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:36,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:36,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542557910] [2024-11-09 06:53:36,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542557910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:36,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:36,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:36,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183068680] [2024-11-09 06:53:36,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:36,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:36,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:36,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:36,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:36,764 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 385 [2024-11-09 06:53:36,766 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 369 transitions, 768 flow. Second operand has 6 states, 6 states have (on average 296.3333333333333) internal successors, (1778), 6 states have internal predecessors, (1778), 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) [2024-11-09 06:53:36,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:36,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 385 [2024-11-09 06:53:36,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:37,185 INFO L124 PetriNetUnfolderBase]: 450/2154 cut-off events. [2024-11-09 06:53:37,186 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 06:53:37,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3210 conditions, 2154 events. 450/2154 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12375 event pairs, 342 based on Foata normal form. 0/1945 useless extension candidates. Maximal degree in co-relation 2703. Up to 960 conditions per place. [2024-11-09 06:53:37,201 INFO L140 encePairwiseOnDemand]: 379/385 looper letters, 79 selfloop transitions, 5 changer transitions 0/368 dead transitions. [2024-11-09 06:53:37,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 368 transitions, 934 flow [2024-11-09 06:53:37,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:37,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:37,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1831 transitions. [2024-11-09 06:53:37,206 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7926406926406926 [2024-11-09 06:53:37,206 INFO L175 Difference]: Start difference. First operand has 375 places, 369 transitions, 768 flow. Second operand 6 states and 1831 transitions. [2024-11-09 06:53:37,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 368 transitions, 934 flow [2024-11-09 06:53:37,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 368 transitions, 924 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:53:37,213 INFO L231 Difference]: Finished difference. Result has 374 places, 368 transitions, 766 flow [2024-11-09 06:53:37,213 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=766, PETRI_PLACES=374, PETRI_TRANSITIONS=368} [2024-11-09 06:53:37,214 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -1 predicate places. [2024-11-09 06:53:37,215 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 368 transitions, 766 flow [2024-11-09 06:53:37,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 296.3333333333333) internal successors, (1778), 6 states have internal predecessors, (1778), 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) [2024-11-09 06:53:37,216 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:37,217 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:37,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:53:37,217 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-09 06:53:37,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:37,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1089698676, now seen corresponding path program 1 times [2024-11-09 06:53:37,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:37,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309873581] [2024-11-09 06:53:37,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:37,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:37,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:37,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309873581] [2024-11-09 06:53:37,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309873581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:37,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:37,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:37,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754480180] [2024-11-09 06:53:37,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:37,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:37,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:37,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:37,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:38,258 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 385 [2024-11-09 06:53:38,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 368 transitions, 766 flow. Second operand has 6 states, 6 states have (on average 301.0) internal successors, (1806), 6 states have internal predecessors, (1806), 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) [2024-11-09 06:53:38,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:38,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 385 [2024-11-09 06:53:38,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:38,618 INFO L124 PetriNetUnfolderBase]: 450/2150 cut-off events. [2024-11-09 06:53:38,619 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 06:53:38,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3190 conditions, 2150 events. 450/2150 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12269 event pairs, 342 based on Foata normal form. 0/1945 useless extension candidates. Maximal degree in co-relation 2719. Up to 944 conditions per place. [2024-11-09 06:53:38,634 INFO L140 encePairwiseOnDemand]: 379/385 looper letters, 75 selfloop transitions, 5 changer transitions 0/367 dead transitions. [2024-11-09 06:53:38,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 367 transitions, 924 flow [2024-11-09 06:53:38,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:38,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:38,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1851 transitions. [2024-11-09 06:53:38,638 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8012987012987013 [2024-11-09 06:53:38,639 INFO L175 Difference]: Start difference. First operand has 374 places, 368 transitions, 766 flow. Second operand 6 states and 1851 transitions. [2024-11-09 06:53:38,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 367 transitions, 924 flow [2024-11-09 06:53:38,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 367 transitions, 914 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:53:38,649 INFO L231 Difference]: Finished difference. Result has 373 places, 367 transitions, 764 flow [2024-11-09 06:53:38,650 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=764, PETRI_PLACES=373, PETRI_TRANSITIONS=367} [2024-11-09 06:53:38,651 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -2 predicate places. [2024-11-09 06:53:38,652 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 367 transitions, 764 flow [2024-11-09 06:53:38,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.0) internal successors, (1806), 6 states have internal predecessors, (1806), 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) [2024-11-09 06:53:38,653 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:38,654 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:38,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:53:38,658 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-09 06:53:38,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:38,659 INFO L85 PathProgramCache]: Analyzing trace with hash 962446196, now seen corresponding path program 1 times [2024-11-09 06:53:38,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:38,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515649575] [2024-11-09 06:53:38,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:38,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:39,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:39,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:39,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515649575] [2024-11-09 06:53:39,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515649575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:39,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:39,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:39,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558710515] [2024-11-09 06:53:39,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:39,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:39,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:39,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:39,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:39,713 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 385 [2024-11-09 06:53:39,715 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 367 transitions, 764 flow. Second operand has 6 states, 6 states have (on average 301.0) internal successors, (1806), 6 states have internal predecessors, (1806), 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) [2024-11-09 06:53:39,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:39,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 385 [2024-11-09 06:53:39,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:40,028 INFO L124 PetriNetUnfolderBase]: 450/2146 cut-off events. [2024-11-09 06:53:40,028 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:53:40,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3186 conditions, 2146 events. 450/2146 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12259 event pairs, 342 based on Foata normal form. 0/1945 useless extension candidates. Maximal degree in co-relation 2734. Up to 944 conditions per place. [2024-11-09 06:53:40,047 INFO L140 encePairwiseOnDemand]: 379/385 looper letters, 75 selfloop transitions, 5 changer transitions 0/366 dead transitions. [2024-11-09 06:53:40,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 366 transitions, 922 flow [2024-11-09 06:53:40,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:40,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:40,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1851 transitions. [2024-11-09 06:53:40,053 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8012987012987013 [2024-11-09 06:53:40,053 INFO L175 Difference]: Start difference. First operand has 373 places, 367 transitions, 764 flow. Second operand 6 states and 1851 transitions. [2024-11-09 06:53:40,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 366 transitions, 922 flow [2024-11-09 06:53:40,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 366 transitions, 912 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:53:40,060 INFO L231 Difference]: Finished difference. Result has 372 places, 366 transitions, 762 flow [2024-11-09 06:53:40,061 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=762, PETRI_PLACES=372, PETRI_TRANSITIONS=366} [2024-11-09 06:53:40,062 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -3 predicate places. [2024-11-09 06:53:40,062 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 366 transitions, 762 flow [2024-11-09 06:53:40,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.0) internal successors, (1806), 6 states have internal predecessors, (1806), 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) [2024-11-09 06:53:40,063 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:40,064 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:40,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:53:40,064 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-09 06:53:40,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:40,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1338328050, now seen corresponding path program 1 times [2024-11-09 06:53:40,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:40,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515619167] [2024-11-09 06:53:40,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:40,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:40,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:40,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:40,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515619167] [2024-11-09 06:53:40,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515619167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:40,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:53:40,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:53:40,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407694009] [2024-11-09 06:53:40,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:40,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:40,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:40,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:40,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:53:41,095 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 385 [2024-11-09 06:53:41,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 366 transitions, 762 flow. Second operand has 6 states, 6 states have (on average 297.5) internal successors, (1785), 6 states have internal predecessors, (1785), 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) [2024-11-09 06:53:41,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:41,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 385 [2024-11-09 06:53:41,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:41,547 INFO L124 PetriNetUnfolderBase]: 450/2142 cut-off events. [2024-11-09 06:53:41,548 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 06:53:41,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3202 conditions, 2142 events. 450/2142 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12207 event pairs, 342 based on Foata normal form. 0/1945 useless extension candidates. Maximal degree in co-relation 2747. Up to 964 conditions per place. [2024-11-09 06:53:41,561 INFO L140 encePairwiseOnDemand]: 379/385 looper letters, 80 selfloop transitions, 5 changer transitions 0/365 dead transitions. [2024-11-09 06:53:41,561 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 365 transitions, 930 flow [2024-11-09 06:53:41,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:41,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:41,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1826 transitions. [2024-11-09 06:53:41,565 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7904761904761904 [2024-11-09 06:53:41,565 INFO L175 Difference]: Start difference. First operand has 372 places, 366 transitions, 762 flow. Second operand 6 states and 1826 transitions. [2024-11-09 06:53:41,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 365 transitions, 930 flow [2024-11-09 06:53:41,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 365 transitions, 920 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:53:41,571 INFO L231 Difference]: Finished difference. Result has 371 places, 365 transitions, 760 flow [2024-11-09 06:53:41,572 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=760, PETRI_PLACES=371, PETRI_TRANSITIONS=365} [2024-11-09 06:53:41,573 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, -4 predicate places. [2024-11-09 06:53:41,573 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 365 transitions, 760 flow [2024-11-09 06:53:41,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.5) internal successors, (1785), 6 states have internal predecessors, (1785), 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) [2024-11-09 06:53:41,574 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:41,574 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:41,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:53:41,575 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-09 06:53:41,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:41,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1712037535, now seen corresponding path program 1 times [2024-11-09 06:53:41,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:41,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934828514] [2024-11-09 06:53:41,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:41,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:41,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:41,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:41,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934828514] [2024-11-09 06:53:41,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934828514] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:53:41,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869006086] [2024-11-09 06:53:41,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:41,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:41,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:53:41,785 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) [2024-11-09 06:53:41,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:53:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:42,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:53:42,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:53:42,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:42,220 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:53:42,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:42,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869006086] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:53:42,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:53:42,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-09 06:53:42,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20851707] [2024-11-09 06:53:42,360 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:53:42,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 06:53:42,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:42,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 06:53:42,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:53:42,386 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 385 [2024-11-09 06:53:42,390 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 365 transitions, 760 flow. Second operand has 10 states, 10 states have (on average 363.0) internal successors, (3630), 10 states have internal predecessors, (3630), 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) [2024-11-09 06:53:42,390 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:42,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 385 [2024-11-09 06:53:42,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:42,624 INFO L124 PetriNetUnfolderBase]: 29/1021 cut-off events. [2024-11-09 06:53:42,624 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 06:53:42,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1150 conditions, 1021 events. 29/1021 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1802 event pairs, 18 based on Foata normal form. 4/987 useless extension candidates. Maximal degree in co-relation 506. Up to 49 conditions per place. [2024-11-09 06:53:42,628 INFO L140 encePairwiseOnDemand]: 379/385 looper letters, 15 selfloop transitions, 9 changer transitions 0/373 dead transitions. [2024-11-09 06:53:42,628 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 373 transitions, 826 flow [2024-11-09 06:53:42,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 06:53:42,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-09 06:53:42,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3275 transitions. [2024-11-09 06:53:42,634 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9451659451659452 [2024-11-09 06:53:42,634 INFO L175 Difference]: Start difference. First operand has 371 places, 365 transitions, 760 flow. Second operand 9 states and 3275 transitions. [2024-11-09 06:53:42,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 373 transitions, 826 flow [2024-11-09 06:53:42,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 373 transitions, 816 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 06:53:42,640 INFO L231 Difference]: Finished difference. Result has 377 places, 371 transitions, 800 flow [2024-11-09 06:53:42,640 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=800, PETRI_PLACES=377, PETRI_TRANSITIONS=371} [2024-11-09 06:53:42,641 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, 2 predicate places. [2024-11-09 06:53:42,641 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 371 transitions, 800 flow [2024-11-09 06:53:42,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 363.0) internal successors, (3630), 10 states have internal predecessors, (3630), 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) [2024-11-09 06:53:42,642 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:42,643 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:42,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:53:42,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 06:53:42,844 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-09 06:53:42,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:42,845 INFO L85 PathProgramCache]: Analyzing trace with hash 2090384465, now seen corresponding path program 2 times [2024-11-09 06:53:42,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:42,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572229385] [2024-11-09 06:53:42,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:42,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:43,290 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-09 06:53:43,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:43,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572229385] [2024-11-09 06:53:43,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572229385] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:53:43,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886585848] [2024-11-09 06:53:43,291 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:53:43,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:43,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:53:43,293 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) [2024-11-09 06:53:43,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:53:43,564 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 06:53:43,564 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:53:43,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 06:53:43,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:53:43,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-09 06:53:43,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-09 06:53:43,673 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:53:43,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-09 06:53:43,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:53:43,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-09 06:53:43,746 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-09 06:53:43,747 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:53:43,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886585848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:43,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:53:43,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-09 06:53:43,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747662929] [2024-11-09 06:53:43,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:43,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:43,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:43,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:43,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 06:53:44,752 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 385 [2024-11-09 06:53:44,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 371 transitions, 800 flow. Second operand has 6 states, 6 states have (on average 324.5) internal successors, (1947), 6 states have internal predecessors, (1947), 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) [2024-11-09 06:53:44,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:44,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 385 [2024-11-09 06:53:44,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:45,120 INFO L124 PetriNetUnfolderBase]: 199/1922 cut-off events. [2024-11-09 06:53:45,120 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-09 06:53:45,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2540 conditions, 1922 events. 199/1922 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 8769 event pairs, 54 based on Foata normal form. 0/1779 useless extension candidates. Maximal degree in co-relation 1891. Up to 448 conditions per place. [2024-11-09 06:53:45,138 INFO L140 encePairwiseOnDemand]: 373/385 looper letters, 71 selfloop transitions, 23 changer transitions 0/406 dead transitions. [2024-11-09 06:53:45,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 406 transitions, 1066 flow [2024-11-09 06:53:45,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:45,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:45,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1997 transitions. [2024-11-09 06:53:45,143 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8645021645021645 [2024-11-09 06:53:45,143 INFO L175 Difference]: Start difference. First operand has 377 places, 371 transitions, 800 flow. Second operand 6 states and 1997 transitions. [2024-11-09 06:53:45,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 406 transitions, 1066 flow [2024-11-09 06:53:45,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 406 transitions, 1060 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-09 06:53:45,150 INFO L231 Difference]: Finished difference. Result has 386 places, 393 transitions, 952 flow [2024-11-09 06:53:45,151 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=952, PETRI_PLACES=386, PETRI_TRANSITIONS=393} [2024-11-09 06:53:45,152 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, 11 predicate places. [2024-11-09 06:53:45,152 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 393 transitions, 952 flow [2024-11-09 06:53:45,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 324.5) internal successors, (1947), 6 states have internal predecessors, (1947), 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) [2024-11-09 06:53:45,154 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:45,155 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:45,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 06:53:45,355 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,SelfDestructingSolverStorable11 [2024-11-09 06:53:45,356 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-09 06:53:45,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:45,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1923700427, now seen corresponding path program 1 times [2024-11-09 06:53:45,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:45,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947576069] [2024-11-09 06:53:45,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:45,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:45,861 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2024-11-09 06:53:45,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:45,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947576069] [2024-11-09 06:53:45,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947576069] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:53:45,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152181217] [2024-11-09 06:53:45,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:45,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:45,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:53:45,865 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) [2024-11-09 06:53:45,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:53:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:46,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 1511 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 06:53:46,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:53:46,757 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:46,757 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:53:47,146 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 1 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:53:47,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152181217] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:53:47,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:53:47,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-09 06:53:47,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814085304] [2024-11-09 06:53:47,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:53:47,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 06:53:47,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:47,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 06:53:47,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-09 06:53:47,220 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 385 [2024-11-09 06:53:47,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 393 transitions, 952 flow. Second operand has 19 states, 19 states have (on average 357.6842105263158) internal successors, (6796), 19 states have internal predecessors, (6796), 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) [2024-11-09 06:53:47,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:47,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 385 [2024-11-09 06:53:47,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:48,891 INFO L124 PetriNetUnfolderBase]: 186/3460 cut-off events. [2024-11-09 06:53:48,891 INFO L125 PetriNetUnfolderBase]: For 134/138 co-relation queries the response was YES. [2024-11-09 06:53:48,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4184 conditions, 3460 events. 186/3460 cut-off events. For 134/138 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 9561 event pairs, 55 based on Foata normal form. 13/3304 useless extension candidates. Maximal degree in co-relation 2868. Up to 146 conditions per place. [2024-11-09 06:53:48,902 INFO L140 encePairwiseOnDemand]: 374/385 looper letters, 47 selfloop transitions, 68 changer transitions 0/479 dead transitions. [2024-11-09 06:53:48,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 479 transitions, 1592 flow [2024-11-09 06:53:48,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-09 06:53:48,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-09 06:53:48,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 22493 transitions. [2024-11-09 06:53:48,934 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9273551844980417 [2024-11-09 06:53:48,934 INFO L175 Difference]: Start difference. First operand has 386 places, 393 transitions, 952 flow. Second operand 63 states and 22493 transitions. [2024-11-09 06:53:48,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 479 transitions, 1592 flow [2024-11-09 06:53:48,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 479 transitions, 1592 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:53:48,944 INFO L231 Difference]: Finished difference. Result has 464 places, 455 transitions, 1472 flow [2024-11-09 06:53:48,944 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=952, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=1472, PETRI_PLACES=464, PETRI_TRANSITIONS=455} [2024-11-09 06:53:48,945 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, 89 predicate places. [2024-11-09 06:53:48,945 INFO L471 AbstractCegarLoop]: Abstraction has has 464 places, 455 transitions, 1472 flow [2024-11-09 06:53:48,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 357.6842105263158) internal successors, (6796), 19 states have internal predecessors, (6796), 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) [2024-11-09 06:53:48,948 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:48,949 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:48,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 06:53:49,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:49,154 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-09 06:53:49,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:49,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1272555210, now seen corresponding path program 2 times [2024-11-09 06:53:49,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:49,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967028649] [2024-11-09 06:53:49,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:49,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:52,398 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-09 06:53:52,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:52,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967028649] [2024-11-09 06:53:52,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967028649] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:53:52,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771816399] [2024-11-09 06:53:52,399 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:53:52,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:52,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:53:52,402 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:53:52,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 06:53:53,057 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 06:53:53,057 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:53:53,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 06:53:53,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:53:53,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-09 06:53:53,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-09 06:53:53,175 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:53:53,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-09 06:53:53,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:53:53,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-09 06:53:53,235 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8249 trivial. 0 not checked. [2024-11-09 06:53:53,235 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:53:53,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771816399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:53:53,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:53:53,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-09 06:53:53,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800927918] [2024-11-09 06:53:53,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:53:53,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:53:53,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:53:53,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:53:53,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-09 06:53:53,954 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 385 [2024-11-09 06:53:53,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 455 transitions, 1472 flow. Second operand has 6 states, 6 states have (on average 324.6666666666667) internal successors, (1948), 6 states have internal predecessors, (1948), 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) [2024-11-09 06:53:53,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:53:53,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 385 [2024-11-09 06:53:53,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:53:55,100 INFO L124 PetriNetUnfolderBase]: 311/4016 cut-off events. [2024-11-09 06:53:55,100 INFO L125 PetriNetUnfolderBase]: For 694/728 co-relation queries the response was YES. [2024-11-09 06:53:55,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5874 conditions, 4016 events. 311/4016 cut-off events. For 694/728 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 15543 event pairs, 61 based on Foata normal form. 8/3810 useless extension candidates. Maximal degree in co-relation 3815. Up to 1009 conditions per place. [2024-11-09 06:53:55,120 INFO L140 encePairwiseOnDemand]: 373/385 looper letters, 84 selfloop transitions, 31 changer transitions 0/494 dead transitions. [2024-11-09 06:53:55,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 494 transitions, 1822 flow [2024-11-09 06:53:55,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:53:55,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:53:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1993 transitions. [2024-11-09 06:53:55,124 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8627705627705627 [2024-11-09 06:53:55,124 INFO L175 Difference]: Start difference. First operand has 464 places, 455 transitions, 1472 flow. Second operand 6 states and 1993 transitions. [2024-11-09 06:53:55,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 494 transitions, 1822 flow [2024-11-09 06:53:55,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 494 transitions, 1746 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-11-09 06:53:55,138 INFO L231 Difference]: Finished difference. Result has 467 places, 485 transitions, 1654 flow [2024-11-09 06:53:55,139 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=1396, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1654, PETRI_PLACES=467, PETRI_TRANSITIONS=485} [2024-11-09 06:53:55,139 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, 92 predicate places. [2024-11-09 06:53:55,139 INFO L471 AbstractCegarLoop]: Abstraction has has 467 places, 485 transitions, 1654 flow [2024-11-09 06:53:55,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 324.6666666666667) internal successors, (1948), 6 states have internal predecessors, (1948), 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) [2024-11-09 06:53:55,140 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:53:55,141 INFO L204 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:53:55,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 06:53:55,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:55,343 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-09 06:53:55,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:53:55,343 INFO L85 PathProgramCache]: Analyzing trace with hash -2082350759, now seen corresponding path program 1 times [2024-11-09 06:53:55,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:53:55,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499327030] [2024-11-09 06:53:55,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:55,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:53:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:57,782 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-09 06:53:57,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:53:57,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499327030] [2024-11-09 06:53:57,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499327030] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:53:57,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721501112] [2024-11-09 06:53:57,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:53:57,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:53:57,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:53:57,785 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:53:57,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 06:53:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:53:59,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 5678 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 06:53:59,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:54:00,039 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-09 06:54:00,040 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:54:00,904 INFO L134 CoverageAnalysis]: Checked inductivity of 8249 backedges. 4450 proven. 1897 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2024-11-09 06:54:00,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721501112] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:54:00,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:54:00,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-09 06:54:00,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901671601] [2024-11-09 06:54:00,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:54:00,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-09 06:54:00,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:54:00,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-09 06:54:00,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 06:54:00,966 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 385 [2024-11-09 06:54:00,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 485 transitions, 1654 flow. Second operand has 34 states, 34 states have (on average 363.1764705882353) internal successors, (12348), 34 states have internal predecessors, (12348), 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) [2024-11-09 06:54:00,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:54:00,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 385 [2024-11-09 06:54:00,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:54:03,547 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([791] L1039-3-->L1044-2: Formula: (and (= |v_fThread1of1ForFork1_#t~ret20#1_1| 0) (= |v_#pthreadsMutex_11| (store |v_#pthreadsMutex_12| |v_~#c~0.base_89| (store (select |v_#pthreadsMutex_12| |v_~#c~0.base_89|) (+ (* |v_fThread1of1ForFork1_~j~0#1_29| 24) |v_~#c~0.offset_89| 80) 0)))) InVars {~#c~0.base=|v_~#c~0.base_89|, fThread1of1ForFork1_~j~0#1=|v_fThread1of1ForFork1_~j~0#1_29|, #pthreadsMutex=|v_#pthreadsMutex_12|, ~#c~0.offset=|v_~#c~0.offset_89|} OutVars{~#c~0.base=|v_~#c~0.base_89|, fThread1of1ForFork1_~j~0#1=|v_fThread1of1ForFork1_~j~0#1_29|, #pthreadsMutex=|v_#pthreadsMutex_11|, fThread1of1ForFork1_#t~ret20#1=|v_fThread1of1ForFork1_#t~ret20#1_1|, ~#c~0.offset=|v_~#c~0.offset_89|} AuxVars[] AssignedVars[#pthreadsMutex, fThread1of1ForFork1_#t~ret20#1][423], [436#true, 376#true, Black: 5756#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~1#1| 27)), Black: 394#(= |ULTIMATE.start_main_~i~0#1| 0), Black: 5768#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~1#1| 29)), Black: 4586#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 4575#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 5772#(and (= 0 |ULTIMATE.start_main_#t~post25#1|) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 5798#(and (<= |ULTIMATE.start_main_~j~1#1| 27) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 3164#(= |ULTIMATE.start_main_~i~0#1| 0), 1891#true, Black: 5792#(and (<= |ULTIMATE.start_main_~j~1#1| 3) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 5750#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~1#1| 3)), 10209#true, Black: 404#(= |ULTIMATE.start_main_~j~1#1| 0), Black: 5810#(and (<= |ULTIMATE.start_main_~j~1#1| 29) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 3144#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), Black: 4322#(<= |ULTIMATE.start_main_~j~1#1| 3), Black: 3166#(<= |ULTIMATE.start_main_~i~0#1| 1), Black: 3152#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), 180#L1044-2true, Black: 5762#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~1#1| 28)), Black: 3148#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 3156#(and (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 2 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) 3 |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0) (= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset| 1)) 0)), Black: 5804#(and (<= |ULTIMATE.start_main_~j~1#1| 28) (<= |ULTIMATE.start_main_~i~0#1| 1)), Black: 4858#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 10191#(= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0), Black: 10195#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), Black: 10203#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= 0 (select (select |#race| |~#c~0.base|) (+ 3 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))))), Black: 10199#(and (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|) 1)) 0) (= (select (select |#race| |~#c~0.base|) (+ |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0) (= (select (select |#race| |~#c~0.base|) (+ 2 |~#c~0.offset| (* 8 |fThread1of1ForFork1_~j~0#1|))) 0)), Black: 440#(<= |ULTIMATE.start_main_~j~1#1| 1), Black: 1268#(< |ULTIMATE.start_main_~j~1#1| 30), 378#true, 3162#true, 5851#true, 266#ULTIMATE.startFINALtrue, 71#L1044-2true]) [2024-11-09 06:54:03,547 INFO L294 olderBase$Statistics]: this new event has 2977 ancestors and is cut-off event [2024-11-09 06:54:03,547 INFO L297 olderBase$Statistics]: existing Event has 2950 ancestors and is cut-off event [2024-11-09 06:54:03,547 INFO L297 olderBase$Statistics]: existing Event has 2950 ancestors and is cut-off event [2024-11-09 06:54:03,547 INFO L297 olderBase$Statistics]: existing Event has 2950 ancestors and is cut-off event [2024-11-09 06:54:04,885 INFO L124 PetriNetUnfolderBase]: 340/6486 cut-off events. [2024-11-09 06:54:04,885 INFO L125 PetriNetUnfolderBase]: For 3573/3591 co-relation queries the response was YES. [2024-11-09 06:54:04,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8384 conditions, 6486 events. 340/6486 cut-off events. For 3573/3591 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 17963 event pairs, 100 based on Foata normal form. 30/6248 useless extension candidates. Maximal degree in co-relation 5734. Up to 259 conditions per place. [2024-11-09 06:54:04,913 INFO L140 encePairwiseOnDemand]: 379/385 looper letters, 47 selfloop transitions, 135 changer transitions 0/586 dead transitions. [2024-11-09 06:54:04,914 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 511 places, 586 transitions, 2782 flow [2024-11-09 06:54:04,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-09 06:54:04,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-09 06:54:04,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 16325 transitions. [2024-11-09 06:54:04,935 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9422799422799423 [2024-11-09 06:54:04,935 INFO L175 Difference]: Start difference. First operand has 467 places, 485 transitions, 1654 flow. Second operand 45 states and 16325 transitions. [2024-11-09 06:54:04,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 511 places, 586 transitions, 2782 flow [2024-11-09 06:54:04,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 586 transitions, 2782 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:54:04,957 INFO L231 Difference]: Finished difference. Result has 520 places, 560 transitions, 2528 flow [2024-11-09 06:54:04,958 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=1654, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=2528, PETRI_PLACES=520, PETRI_TRANSITIONS=560} [2024-11-09 06:54:04,958 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, 145 predicate places. [2024-11-09 06:54:04,958 INFO L471 AbstractCegarLoop]: Abstraction has has 520 places, 560 transitions, 2528 flow [2024-11-09 06:54:04,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 363.1764705882353) internal successors, (12348), 34 states have internal predecessors, (12348), 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) [2024-11-09 06:54:04,964 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:54:04,965 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:54:04,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 06:54:05,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 06:54:05,166 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-09 06:54:05,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:54:05,167 INFO L85 PathProgramCache]: Analyzing trace with hash 543816537, now seen corresponding path program 2 times [2024-11-09 06:54:05,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:54:05,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017522124] [2024-11-09 06:54:05,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:54:05,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:54:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:54:14,818 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-09 06:54:14,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:54:14,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017522124] [2024-11-09 06:54:14,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017522124] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:54:14,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106454450] [2024-11-09 06:54:14,819 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 06:54:14,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:54:14,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:54:14,821 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:54:14,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 06:54:16,156 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 06:54:16,157 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:54:16,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 06:54:16,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:54:16,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 06:54:16,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-09 06:54:16,371 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:54:16,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2024-11-09 06:54:16,413 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:54:16,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2024-11-09 06:54:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39241 trivial. 0 not checked. [2024-11-09 06:54:16,463 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:54:16,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106454450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:54:16,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:54:16,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [33] total 37 [2024-11-09 06:54:16,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121071213] [2024-11-09 06:54:16,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:54:16,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:54:16,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:54:16,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:54:16,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=1030, Unknown=0, NotChecked=0, Total=1332 [2024-11-09 06:54:16,888 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 385 [2024-11-09 06:54:16,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 560 transitions, 2528 flow. Second operand has 6 states, 6 states have (on average 323.5) internal successors, (1941), 6 states have internal predecessors, (1941), 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) [2024-11-09 06:54:16,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:54:16,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 385 [2024-11-09 06:54:16,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:54:20,902 INFO L124 PetriNetUnfolderBase]: 451/6740 cut-off events. [2024-11-09 06:54:20,902 INFO L125 PetriNetUnfolderBase]: For 2456/2548 co-relation queries the response was YES. [2024-11-09 06:54:20,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10680 conditions, 6740 events. 451/6740 cut-off events. For 2456/2548 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 21338 event pairs, 87 based on Foata normal form. 34/6543 useless extension candidates. Maximal degree in co-relation 7275. Up to 1847 conditions per place. [2024-11-09 06:54:20,935 INFO L140 encePairwiseOnDemand]: 374/385 looper letters, 108 selfloop transitions, 55 changer transitions 0/621 dead transitions. [2024-11-09 06:54:20,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 621 transitions, 3180 flow [2024-11-09 06:54:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:54:20,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:54:20,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1990 transitions. [2024-11-09 06:54:20,938 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8614718614718615 [2024-11-09 06:54:20,938 INFO L175 Difference]: Start difference. First operand has 520 places, 560 transitions, 2528 flow. Second operand 6 states and 1990 transitions. [2024-11-09 06:54:20,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 621 transitions, 3180 flow [2024-11-09 06:54:20,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 621 transitions, 3072 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-11-09 06:54:20,970 INFO L231 Difference]: Finished difference. Result has 512 places, 609 transitions, 2974 flow [2024-11-09 06:54:20,971 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=2420, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=535, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2974, PETRI_PLACES=512, PETRI_TRANSITIONS=609} [2024-11-09 06:54:20,971 INFO L277 CegarLoopForPetriNet]: 375 programPoint places, 137 predicate places. [2024-11-09 06:54:20,972 INFO L471 AbstractCegarLoop]: Abstraction has has 512 places, 609 transitions, 2974 flow [2024-11-09 06:54:20,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 323.5) internal successors, (1941), 6 states have internal predecessors, (1941), 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) [2024-11-09 06:54:20,973 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:54:20,974 INFO L204 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:54:20,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 06:54:21,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 06:54:21,175 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-09 06:54:21,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:54:21,176 INFO L85 PathProgramCache]: Analyzing trace with hash -515148333, now seen corresponding path program 1 times [2024-11-09 06:54:21,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:54:21,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544949728] [2024-11-09 06:54:21,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:54:21,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:54:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:54:29,804 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-09 06:54:29,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:54:29,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544949728] [2024-11-09 06:54:29,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544949728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:54:29,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518654560] [2024-11-09 06:54:29,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:54:29,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:54:29,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:54:29,823 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:54:29,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 06:54:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:54:32,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 11584 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 06:54:32,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:54:34,076 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-09 06:54:34,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:54:35,910 INFO L134 CoverageAnalysis]: Checked inductivity of 39241 backedges. 20306 proven. 9465 refuted. 0 times theorem prover too weak. 9470 trivial. 0 not checked. [2024-11-09 06:54:35,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518654560] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:54:35,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:54:35,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-09 06:54:35,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101373793] [2024-11-09 06:54:35,915 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:54:35,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-09 06:54:35,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:54:35,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-09 06:54:35,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-09 06:54:36,004 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 385 [2024-11-09 06:54:36,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 609 transitions, 2974 flow. Second operand has 63 states, 63 states have (on average 363.14285714285717) internal successors, (22878), 63 states have internal predecessors, (22878), 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) [2024-11-09 06:54:36,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:54:36,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 385 [2024-11-09 06:54:36,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand