./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 8be7027f 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-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:31:09,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:31:09,109 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:31:09,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:31:09,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:31:09,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:31:09,132 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:31:09,132 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:31:09,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:31:09,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:31:09,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:31:09,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:31:09,135 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:31:09,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:31:09,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:31:09,136 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:31:09,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:31:09,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:31:09,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:31:09,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:31:09,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:31:09,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:31:09,140 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:31:09,140 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:31:09,140 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:31:09,141 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:31:09,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:31:09,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:31:09,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:31:09,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:31:09,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:31:09,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:31:09,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:31:09,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:31:09,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:31:09,142 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:31:09,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:31:09,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:31:09,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:31:09,143 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:31:09,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:31:09,144 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df [2024-11-12 12:31:09,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:31:09,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:31:09,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:31:09,378 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:31:09,379 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:31:09,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2024-11-12 12:31:10,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:31:10,855 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:31:10,856 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2024-11-12 12:31:10,873 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37350e081/795c6fd4fb7347d5a4a1bdc35d3560f6/FLAG001897876 [2024-11-12 12:31:11,204 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37350e081/795c6fd4fb7347d5a4a1bdc35d3560f6 [2024-11-12 12:31:11,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:31:11,207 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:31:11,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:31:11,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:31:11,213 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:31:11,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:31:11" (1/1) ... [2024-11-12 12:31:11,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@463d4dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:31:11, skipping insertion in model container [2024-11-12 12:31:11,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:31:11" (1/1) ... [2024-11-12 12:31:11,268 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:31:11,695 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-12 12:31:11,696 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-12 12:31:11,696 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-12 12:31:11,697 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-12 12:31:11,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:31:11,773 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:31:11,820 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-12 12:31:11,826 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-12 12:31:11,826 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-12 12:31:11,827 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-12 12:31:11,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:31:11,888 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:31:11,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:31:11 WrapperNode [2024-11-12 12:31:11,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:31:11,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:31:11,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:31:11,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:31:11,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:31:11" (1/1) ... [2024-11-12 12:31:11,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:31:11" (1/1) ... [2024-11-12 12:31:11,953 INFO L138 Inliner]: procedures = 274, calls = 98, calls flagged for inlining = 9, calls inlined = 8, statements flattened = 282 [2024-11-12 12:31:11,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:31:11,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:31:11,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:31:11,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:31:11,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:31:11" (1/1) ... [2024-11-12 12:31:11,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:31:11" (1/1) ... [2024-11-12 12:31:11,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:31:11" (1/1) ... [2024-11-12 12:31:11,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:31:11" (1/1) ... [2024-11-12 12:31:11,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:31:11" (1/1) ... [2024-11-12 12:31:12,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:31:11" (1/1) ... [2024-11-12 12:31:12,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:31:11" (1/1) ... [2024-11-12 12:31:12,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:31:11" (1/1) ... [2024-11-12 12:31:12,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:31:12,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:31:12,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:31:12,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:31:12,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:31:11" (1/1) ... [2024-11-12 12:31:12,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:31:12,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:31:12,055 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) [2024-11-12 12:31:12,058 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 [2024-11-12 12:31:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-12 12:31:12,098 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-12 12:31:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-12 12:31:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-12 12:31:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-12 12:31:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:31:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:31:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-12 12:31:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 12:31:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:31:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-12 12:31:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:31:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:31:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:31:12,102 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:31:12,216 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:31:12,218 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:31:12,653 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:31:12,653 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:31:12,684 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:31:12,685 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-12 12:31:12,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:31:12 BoogieIcfgContainer [2024-11-12 12:31:12,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:31:12,688 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:31:12,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:31:12,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:31:12,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:31:11" (1/3) ... [2024-11-12 12:31:12,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250b85a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:31:12, skipping insertion in model container [2024-11-12 12:31:12,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:31:11" (2/3) ... [2024-11-12 12:31:12,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250b85a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:31:12, skipping insertion in model container [2024-11-12 12:31:12,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:31:12" (3/3) ... [2024-11-12 12:31:12,695 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_22-nocollapse.i [2024-11-12 12:31:12,710 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:31:12,710 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-12 12:31:12,710 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:31:12,806 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-12 12:31:12,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 377 places, 385 transitions, 778 flow [2024-11-12 12:31:13,054 INFO L124 PetriNetUnfolderBase]: 15/383 cut-off events. [2024-11-12 12:31:13,055 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:31:13,062 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. [2024-11-12 12:31:13,063 INFO L82 GeneralOperation]: Start removeDead. Operand has 377 places, 385 transitions, 778 flow [2024-11-12 12:31:13,069 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 375 places, 383 transitions, 772 flow [2024-11-12 12:31:13,077 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:31:13,083 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;@44e9befc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:31:13,083 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-12 12:31:13,100 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:31:13,100 INFO L124 PetriNetUnfolderBase]: 2/115 cut-off events. [2024-11-12 12:31:13,100 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:31:13,100 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:13,101 INFO L206 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] [2024-11-12 12:31:13,102 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)] === [2024-11-12 12:31:13,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:13,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1341454812, now seen corresponding path program 1 times [2024-11-12 12:31:13,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:13,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504320104] [2024-11-12 12:31:13,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:13,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:14,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:31:14,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:14,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504320104] [2024-11-12 12:31:14,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504320104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:31:14,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:31:14,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:31:14,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736897892] [2024-11-12 12:31:14,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:31:14,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:31:14,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:14,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:31:14,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:31:14,530 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 385 [2024-11-12 12:31:14,535 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) [2024-11-12 12:31:14,535 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:14,535 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 385 [2024-11-12 12:31:14,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:14,813 INFO L124 PetriNetUnfolderBase]: 449/1855 cut-off events. [2024-11-12 12:31:14,813 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-12 12:31:14,824 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. [2024-11-12 12:31:14,833 INFO L140 encePairwiseOnDemand]: 364/385 looper letters, 72 selfloop transitions, 10 changer transitions 1/372 dead transitions. [2024-11-12 12:31:14,833 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 372 transitions, 914 flow [2024-11-12 12:31:14,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:31:14,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:31:14,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1845 transitions. [2024-11-12 12:31:14,853 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7987012987012987 [2024-11-12 12:31:14,855 INFO L175 Difference]: Start difference. First operand has 375 places, 383 transitions, 772 flow. Second operand 6 states and 1845 transitions. [2024-11-12 12:31:14,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 372 transitions, 914 flow [2024-11-12 12:31:14,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 372 transitions, 912 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:31:14,868 INFO L231 Difference]: Finished difference. Result has 376 places, 371 transitions, 766 flow [2024-11-12 12:31:14,870 INFO L262 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} [2024-11-12 12:31:14,874 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, 1 predicate places. [2024-11-12 12:31:14,874 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 371 transitions, 766 flow [2024-11-12 12:31:14,875 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) [2024-11-12 12:31:14,876 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:14,876 INFO L206 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] [2024-11-12 12:31:14,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:31:14,876 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)] === [2024-11-12 12:31:14,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:14,878 INFO L85 PathProgramCache]: Analyzing trace with hash 548282974, now seen corresponding path program 1 times [2024-11-12 12:31:14,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:14,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154341674] [2024-11-12 12:31:14,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:14,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:31:15,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:15,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154341674] [2024-11-12 12:31:15,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154341674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:31:15,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:31:15,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:31:15,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906668841] [2024-11-12 12:31:15,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:31:15,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:31:15,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:15,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:31:15,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:31:15,657 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 385 [2024-11-12 12:31:15,659 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) [2024-11-12 12:31:15,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:15,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 385 [2024-11-12 12:31:15,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:16,049 INFO L124 PetriNetUnfolderBase]: 449/1852 cut-off events. [2024-11-12 12:31:16,051 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:31:16,056 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. [2024-11-12 12:31:16,064 INFO L140 encePairwiseOnDemand]: 373/385 looper letters, 72 selfloop transitions, 10 changer transitions 0/369 dead transitions. [2024-11-12 12:31:16,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 369 transitions, 926 flow [2024-11-12 12:31:16,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:31:16,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:31:16,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1836 transitions. [2024-11-12 12:31:16,069 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7948051948051948 [2024-11-12 12:31:16,070 INFO L175 Difference]: Start difference. First operand has 376 places, 371 transitions, 766 flow. Second operand 6 states and 1836 transitions. [2024-11-12 12:31:16,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 369 transitions, 926 flow [2024-11-12 12:31:16,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 369 transitions, 906 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:31:16,076 INFO L231 Difference]: Finished difference. Result has 373 places, 369 transitions, 762 flow [2024-11-12 12:31:16,077 INFO L262 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} [2024-11-12 12:31:16,077 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -2 predicate places. [2024-11-12 12:31:16,077 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 369 transitions, 762 flow [2024-11-12 12:31:16,081 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) [2024-11-12 12:31:16,081 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:16,081 INFO L206 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] [2024-11-12 12:31:16,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:31:16,081 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:31:16,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:16,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1130614480, now seen corresponding path program 1 times [2024-11-12 12:31:16,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:16,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248362155] [2024-11-12 12:31:16,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:16,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:16,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:31:16,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:16,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248362155] [2024-11-12 12:31:16,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248362155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:31:16,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:31:16,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 12:31:16,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588791669] [2024-11-12 12:31:16,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:31:16,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:31:16,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:16,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:31:16,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:31:16,171 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 385 [2024-11-12 12:31:16,172 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) [2024-11-12 12:31:16,173 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:16,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 385 [2024-11-12 12:31:16,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:16,257 INFO L124 PetriNetUnfolderBase]: 29/671 cut-off events. [2024-11-12 12:31:16,257 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:31:16,259 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. [2024-11-12 12:31:16,260 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 11 selfloop transitions, 2 changer transitions 0/370 dead transitions. [2024-11-12 12:31:16,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 370 transitions, 790 flow [2024-11-12 12:31:16,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:31:16,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:31:16,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1106 transitions. [2024-11-12 12:31:16,262 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9575757575757575 [2024-11-12 12:31:16,262 INFO L175 Difference]: Start difference. First operand has 373 places, 369 transitions, 762 flow. Second operand 3 states and 1106 transitions. [2024-11-12 12:31:16,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 370 transitions, 790 flow [2024-11-12 12:31:16,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 370 transitions, 770 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:31:16,273 INFO L231 Difference]: Finished difference. Result has 371 places, 370 transitions, 754 flow [2024-11-12 12:31:16,273 INFO L262 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} [2024-11-12 12:31:16,274 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -4 predicate places. [2024-11-12 12:31:16,274 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 370 transitions, 754 flow [2024-11-12 12:31:16,275 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) [2024-11-12 12:31:16,275 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:16,275 INFO L206 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] [2024-11-12 12:31:16,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:31:16,275 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)] === [2024-11-12 12:31:16,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:16,276 INFO L85 PathProgramCache]: Analyzing trace with hash 67564193, now seen corresponding path program 1 times [2024-11-12 12:31:16,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:16,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631833839] [2024-11-12 12:31:16,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:16,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:31:16,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:16,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631833839] [2024-11-12 12:31:16,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631833839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:31:16,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:31:16,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:31:16,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306680921] [2024-11-12 12:31:16,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:31:16,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:31:16,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:16,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:31:16,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:31:17,046 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 385 [2024-11-12 12:31:17,048 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) [2024-11-12 12:31:17,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:17,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 385 [2024-11-12 12:31:17,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:17,269 INFO L124 PetriNetUnfolderBase]: 450/1974 cut-off events. [2024-11-12 12:31:17,269 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 12:31:17,273 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. [2024-11-12 12:31:17,279 INFO L140 encePairwiseOnDemand]: 379/385 looper letters, 79 selfloop transitions, 5 changer transitions 0/369 dead transitions. [2024-11-12 12:31:17,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 369 transitions, 920 flow [2024-11-12 12:31:17,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:31:17,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:31:17,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1831 transitions. [2024-11-12 12:31:17,282 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7926406926406926 [2024-11-12 12:31:17,282 INFO L175 Difference]: Start difference. First operand has 371 places, 370 transitions, 754 flow. Second operand 6 states and 1831 transitions. [2024-11-12 12:31:17,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 369 transitions, 920 flow [2024-11-12 12:31:17,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 369 transitions, 918 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:31:17,287 INFO L231 Difference]: Finished difference. Result has 374 places, 369 transitions, 760 flow [2024-11-12 12:31:17,288 INFO L262 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} [2024-11-12 12:31:17,288 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -1 predicate places. [2024-11-12 12:31:17,289 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 369 transitions, 760 flow [2024-11-12 12:31:17,290 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) [2024-11-12 12:31:17,290 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:17,290 INFO L206 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] [2024-11-12 12:31:17,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:31:17,290 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:31:17,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:17,291 INFO L85 PathProgramCache]: Analyzing trace with hash -156574999, now seen corresponding path program 1 times [2024-11-12 12:31:17,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:17,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576700190] [2024-11-12 12:31:17,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:17,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:17,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:31:17,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:17,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576700190] [2024-11-12 12:31:17,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576700190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:31:17,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:31:17,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 12:31:17,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646444744] [2024-11-12 12:31:17,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:31:17,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:31:17,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:17,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:31:17,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:31:17,370 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 385 [2024-11-12 12:31:17,372 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) [2024-11-12 12:31:17,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:17,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 385 [2024-11-12 12:31:17,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:17,466 INFO L124 PetriNetUnfolderBase]: 29/857 cut-off events. [2024-11-12 12:31:17,466 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:31:17,468 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. [2024-11-12 12:31:17,470 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 11 selfloop transitions, 2 changer transitions 0/370 dead transitions. [2024-11-12 12:31:17,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 370 transitions, 788 flow [2024-11-12 12:31:17,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:31:17,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:31:17,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1106 transitions. [2024-11-12 12:31:17,473 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9575757575757575 [2024-11-12 12:31:17,473 INFO L175 Difference]: Start difference. First operand has 374 places, 369 transitions, 760 flow. Second operand 3 states and 1106 transitions. [2024-11-12 12:31:17,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 370 transitions, 788 flow [2024-11-12 12:31:17,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 370 transitions, 778 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:31:17,479 INFO L231 Difference]: Finished difference. Result has 372 places, 370 transitions, 762 flow [2024-11-12 12:31:17,482 INFO L262 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} [2024-11-12 12:31:17,482 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -3 predicate places. [2024-11-12 12:31:17,483 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 370 transitions, 762 flow [2024-11-12 12:31:17,484 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) [2024-11-12 12:31:17,485 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:17,485 INFO L206 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] [2024-11-12 12:31:17,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:31:17,485 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)] === [2024-11-12 12:31:17,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:17,486 INFO L85 PathProgramCache]: Analyzing trace with hash 69375716, now seen corresponding path program 1 times [2024-11-12 12:31:17,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:17,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763306377] [2024-11-12 12:31:17,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:17,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:18,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:31:18,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:18,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763306377] [2024-11-12 12:31:18,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763306377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:31:18,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:31:18,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:31:18,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559205753] [2024-11-12 12:31:18,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:31:18,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:31:18,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:18,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:31:18,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:31:18,466 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 385 [2024-11-12 12:31:18,468 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) [2024-11-12 12:31:18,468 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:18,468 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 385 [2024-11-12 12:31:18,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:18,588 INFO L124 PetriNetUnfolderBase]: 75/1169 cut-off events. [2024-11-12 12:31:18,589 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 12:31:18,593 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. [2024-11-12 12:31:18,597 INFO L140 encePairwiseOnDemand]: 379/385 looper letters, 54 selfloop transitions, 5 changer transitions 0/369 dead transitions. [2024-11-12 12:31:18,597 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 369 transitions, 878 flow [2024-11-12 12:31:18,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:31:18,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:31:18,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1956 transitions. [2024-11-12 12:31:18,600 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8467532467532467 [2024-11-12 12:31:18,600 INFO L175 Difference]: Start difference. First operand has 372 places, 370 transitions, 762 flow. Second operand 6 states and 1956 transitions. [2024-11-12 12:31:18,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 369 transitions, 878 flow [2024-11-12 12:31:18,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 369 transitions, 876 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:31:18,605 INFO L231 Difference]: Finished difference. Result has 375 places, 369 transitions, 768 flow [2024-11-12 12:31:18,606 INFO L262 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} [2024-11-12 12:31:18,607 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, 0 predicate places. [2024-11-12 12:31:18,607 INFO L471 AbstractCegarLoop]: Abstraction has has 375 places, 369 transitions, 768 flow [2024-11-12 12:31:18,608 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) [2024-11-12 12:31:18,608 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:18,608 INFO L206 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] [2024-11-12 12:31:18,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:31:18,609 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)] === [2024-11-12 12:31:18,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:18,609 INFO L85 PathProgramCache]: Analyzing trace with hash 858560355, now seen corresponding path program 1 times [2024-11-12 12:31:18,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:18,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324562855] [2024-11-12 12:31:18,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:18,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:19,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:31:19,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:19,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324562855] [2024-11-12 12:31:19,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324562855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:31:19,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:31:19,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:31:19,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096438912] [2024-11-12 12:31:19,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:31:19,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:31:19,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:19,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:31:19,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:31:19,293 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 385 [2024-11-12 12:31:19,295 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) [2024-11-12 12:31:19,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:19,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 385 [2024-11-12 12:31:19,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:19,640 INFO L124 PetriNetUnfolderBase]: 450/2154 cut-off events. [2024-11-12 12:31:19,641 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-12 12:31:19,644 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. [2024-11-12 12:31:19,649 INFO L140 encePairwiseOnDemand]: 379/385 looper letters, 79 selfloop transitions, 5 changer transitions 0/368 dead transitions. [2024-11-12 12:31:19,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 368 transitions, 934 flow [2024-11-12 12:31:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:31:19,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:31:19,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1831 transitions. [2024-11-12 12:31:19,652 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7926406926406926 [2024-11-12 12:31:19,652 INFO L175 Difference]: Start difference. First operand has 375 places, 369 transitions, 768 flow. Second operand 6 states and 1831 transitions. [2024-11-12 12:31:19,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 368 transitions, 934 flow [2024-11-12 12:31:19,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 368 transitions, 924 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:31:19,657 INFO L231 Difference]: Finished difference. Result has 374 places, 368 transitions, 766 flow [2024-11-12 12:31:19,658 INFO L262 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} [2024-11-12 12:31:19,658 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -1 predicate places. [2024-11-12 12:31:19,659 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 368 transitions, 766 flow [2024-11-12 12:31:19,660 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) [2024-11-12 12:31:19,660 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:19,660 INFO L206 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] [2024-11-12 12:31:19,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:31:19,660 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)] === [2024-11-12 12:31:19,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:19,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1089698676, now seen corresponding path program 1 times [2024-11-12 12:31:19,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:19,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852887889] [2024-11-12 12:31:19,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:19,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:31:20,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:20,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852887889] [2024-11-12 12:31:20,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852887889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:31:20,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:31:20,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:31:20,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304205362] [2024-11-12 12:31:20,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:31:20,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:31:20,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:20,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:31:20,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:31:20,440 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 385 [2024-11-12 12:31:20,442 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) [2024-11-12 12:31:20,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:20,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 385 [2024-11-12 12:31:20,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:20,680 INFO L124 PetriNetUnfolderBase]: 450/2150 cut-off events. [2024-11-12 12:31:20,680 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-12 12:31:20,684 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. [2024-11-12 12:31:20,690 INFO L140 encePairwiseOnDemand]: 379/385 looper letters, 75 selfloop transitions, 5 changer transitions 0/367 dead transitions. [2024-11-12 12:31:20,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 367 transitions, 924 flow [2024-11-12 12:31:20,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:31:20,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:31:20,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1851 transitions. [2024-11-12 12:31:20,694 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8012987012987013 [2024-11-12 12:31:20,694 INFO L175 Difference]: Start difference. First operand has 374 places, 368 transitions, 766 flow. Second operand 6 states and 1851 transitions. [2024-11-12 12:31:20,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 367 transitions, 924 flow [2024-11-12 12:31:20,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 367 transitions, 914 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:31:20,702 INFO L231 Difference]: Finished difference. Result has 373 places, 367 transitions, 764 flow [2024-11-12 12:31:20,703 INFO L262 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} [2024-11-12 12:31:20,704 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -2 predicate places. [2024-11-12 12:31:20,705 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 367 transitions, 764 flow [2024-11-12 12:31:20,706 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) [2024-11-12 12:31:20,706 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:20,706 INFO L206 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] [2024-11-12 12:31:20,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 12:31:20,707 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)] === [2024-11-12 12:31:20,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:20,710 INFO L85 PathProgramCache]: Analyzing trace with hash 962446196, now seen corresponding path program 1 times [2024-11-12 12:31:20,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:20,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460449373] [2024-11-12 12:31:20,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:20,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:21,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-12 12:31:21,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:21,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460449373] [2024-11-12 12:31:21,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460449373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:31:21,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:31:21,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:31:21,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107859052] [2024-11-12 12:31:21,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:31:21,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:31:21,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:21,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:31:21,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:31:21,513 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 385 [2024-11-12 12:31:21,515 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) [2024-11-12 12:31:21,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:21,516 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 385 [2024-11-12 12:31:21,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:21,770 INFO L124 PetriNetUnfolderBase]: 450/2146 cut-off events. [2024-11-12 12:31:21,770 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:31:21,775 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. [2024-11-12 12:31:21,781 INFO L140 encePairwiseOnDemand]: 379/385 looper letters, 75 selfloop transitions, 5 changer transitions 0/366 dead transitions. [2024-11-12 12:31:21,781 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 366 transitions, 922 flow [2024-11-12 12:31:21,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:31:21,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:31:21,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1851 transitions. [2024-11-12 12:31:21,785 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8012987012987013 [2024-11-12 12:31:21,785 INFO L175 Difference]: Start difference. First operand has 373 places, 367 transitions, 764 flow. Second operand 6 states and 1851 transitions. [2024-11-12 12:31:21,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 366 transitions, 922 flow [2024-11-12 12:31:21,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 366 transitions, 912 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:31:21,789 INFO L231 Difference]: Finished difference. Result has 372 places, 366 transitions, 762 flow [2024-11-12 12:31:21,790 INFO L262 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} [2024-11-12 12:31:21,790 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -3 predicate places. [2024-11-12 12:31:21,791 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 366 transitions, 762 flow [2024-11-12 12:31:21,791 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) [2024-11-12 12:31:21,792 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:21,792 INFO L206 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] [2024-11-12 12:31:21,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 12:31:21,792 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)] === [2024-11-12 12:31:21,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:21,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1338328050, now seen corresponding path program 1 times [2024-11-12 12:31:21,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:21,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202565734] [2024-11-12 12:31:21,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:21,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:22,293 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-12 12:31:22,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:22,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202565734] [2024-11-12 12:31:22,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202565734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:31:22,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:31:22,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:31:22,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91099811] [2024-11-12 12:31:22,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:31:22,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:31:22,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:22,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:31:22,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:31:22,618 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 385 [2024-11-12 12:31:22,621 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) [2024-11-12 12:31:22,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:22,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 385 [2024-11-12 12:31:22,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:22,988 INFO L124 PetriNetUnfolderBase]: 450/2142 cut-off events. [2024-11-12 12:31:22,989 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-12 12:31:22,994 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. [2024-11-12 12:31:23,002 INFO L140 encePairwiseOnDemand]: 379/385 looper letters, 80 selfloop transitions, 5 changer transitions 0/365 dead transitions. [2024-11-12 12:31:23,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 365 transitions, 930 flow [2024-11-12 12:31:23,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:31:23,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:31:23,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1826 transitions. [2024-11-12 12:31:23,006 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7904761904761904 [2024-11-12 12:31:23,007 INFO L175 Difference]: Start difference. First operand has 372 places, 366 transitions, 762 flow. Second operand 6 states and 1826 transitions. [2024-11-12 12:31:23,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 365 transitions, 930 flow [2024-11-12 12:31:23,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 365 transitions, 920 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:31:23,012 INFO L231 Difference]: Finished difference. Result has 371 places, 365 transitions, 760 flow [2024-11-12 12:31:23,013 INFO L262 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} [2024-11-12 12:31:23,014 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, -4 predicate places. [2024-11-12 12:31:23,014 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 365 transitions, 760 flow [2024-11-12 12:31:23,015 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) [2024-11-12 12:31:23,015 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:23,015 INFO L206 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] [2024-11-12 12:31:23,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 12:31:23,015 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:31:23,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:23,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1712037535, now seen corresponding path program 1 times [2024-11-12 12:31:23,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:23,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017161716] [2024-11-12 12:31:23,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:23,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:23,176 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-12 12:31:23,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:23,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017161716] [2024-11-12 12:31:23,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017161716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:31:23,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768286855] [2024-11-12 12:31:23,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:23,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:31:23,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:31:23,183 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) [2024-11-12 12:31:23,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 12:31:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:23,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 12:31:23,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:31:23,540 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-12 12:31:23,540 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 12:31:23,659 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-12 12:31:23,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768286855] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 12:31:23,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 12:31:23,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-12 12:31:23,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182479197] [2024-11-12 12:31:23,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 12:31:23,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 12:31:23,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:23,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 12:31:23,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-12 12:31:23,684 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 385 [2024-11-12 12:31:23,687 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) [2024-11-12 12:31:23,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:23,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 385 [2024-11-12 12:31:23,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:23,856 INFO L124 PetriNetUnfolderBase]: 29/1021 cut-off events. [2024-11-12 12:31:23,857 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-12 12:31:23,860 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. [2024-11-12 12:31:23,862 INFO L140 encePairwiseOnDemand]: 379/385 looper letters, 15 selfloop transitions, 9 changer transitions 0/373 dead transitions. [2024-11-12 12:31:23,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 373 transitions, 826 flow [2024-11-12 12:31:23,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 12:31:23,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-12 12:31:23,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3275 transitions. [2024-11-12 12:31:23,867 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9451659451659452 [2024-11-12 12:31:23,867 INFO L175 Difference]: Start difference. First operand has 371 places, 365 transitions, 760 flow. Second operand 9 states and 3275 transitions. [2024-11-12 12:31:23,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 373 transitions, 826 flow [2024-11-12 12:31:23,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 373 transitions, 816 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:31:23,873 INFO L231 Difference]: Finished difference. Result has 377 places, 371 transitions, 800 flow [2024-11-12 12:31:23,873 INFO L262 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} [2024-11-12 12:31:23,874 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, 2 predicate places. [2024-11-12 12:31:23,874 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 371 transitions, 800 flow [2024-11-12 12:31:23,875 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) [2024-11-12 12:31:23,875 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:23,876 INFO L206 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] [2024-11-12 12:31:23,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 12:31:24,080 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 [2024-11-12 12:31:24,081 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:31:24,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:24,082 INFO L85 PathProgramCache]: Analyzing trace with hash 2090384465, now seen corresponding path program 2 times [2024-11-12 12:31:24,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:24,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355536566] [2024-11-12 12:31:24,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:24,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:24,443 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-11-12 12:31:24,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:24,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355536566] [2024-11-12 12:31:24,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355536566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:31:24,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678269987] [2024-11-12 12:31:24,444 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 12:31:24,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:31:24,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:31:24,446 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) [2024-11-12 12:31:24,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 12:31:24,653 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 12:31:24,653 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 12:31:24,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-12 12:31:24,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:31:24,707 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 [2024-11-12 12:31:24,720 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 [2024-11-12 12:31:24,743 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:31:24,744 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 [2024-11-12 12:31:24,772 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:31:24,772 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 [2024-11-12 12:31:24,796 INFO L134 CoverageAnalysis]: Checked inductivity of 526 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2024-11-12 12:31:24,796 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 12:31:24,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678269987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:31:24,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 12:31:24,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-12 12:31:24,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985754090] [2024-11-12 12:31:24,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:31:24,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:31:24,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:24,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:31:24,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-12 12:31:25,538 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 385 [2024-11-12 12:31:25,540 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) [2024-11-12 12:31:25,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:25,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 385 [2024-11-12 12:31:25,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:25,841 INFO L124 PetriNetUnfolderBase]: 199/1922 cut-off events. [2024-11-12 12:31:25,841 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-12 12:31:25,846 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. [2024-11-12 12:31:25,856 INFO L140 encePairwiseOnDemand]: 373/385 looper letters, 71 selfloop transitions, 23 changer transitions 0/406 dead transitions. [2024-11-12 12:31:25,856 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 406 transitions, 1066 flow [2024-11-12 12:31:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:31:25,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:31:25,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1997 transitions. [2024-11-12 12:31:25,860 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8645021645021645 [2024-11-12 12:31:25,860 INFO L175 Difference]: Start difference. First operand has 377 places, 371 transitions, 800 flow. Second operand 6 states and 1997 transitions. [2024-11-12 12:31:25,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 406 transitions, 1066 flow [2024-11-12 12:31:25,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 406 transitions, 1060 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-12 12:31:25,866 INFO L231 Difference]: Finished difference. Result has 386 places, 393 transitions, 952 flow [2024-11-12 12:31:25,866 INFO L262 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} [2024-11-12 12:31:25,867 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, 11 predicate places. [2024-11-12 12:31:25,867 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 393 transitions, 952 flow [2024-11-12 12:31:25,868 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) [2024-11-12 12:31:25,868 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:25,869 INFO L206 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] [2024-11-12 12:31:25,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 12:31:26,069 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 [2024-11-12 12:31:26,070 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:31:26,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:26,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1923700427, now seen corresponding path program 1 times [2024-11-12 12:31:26,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:26,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824213788] [2024-11-12 12:31:26,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:26,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:26,385 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2024-11-12 12:31:26,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:26,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824213788] [2024-11-12 12:31:26,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824213788] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:31:26,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306827341] [2024-11-12 12:31:26,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:26,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:31:26,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:31:26,387 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) [2024-11-12 12:31:26,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 12:31:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:26,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 1511 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 12:31:26,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:31:27,006 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 1 proven. 603 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-12 12:31:27,007 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 12:31:27,331 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 1 proven. 603 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-12 12:31:27,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306827341] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 12:31:27,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 12:31:27,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-12 12:31:27,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608391476] [2024-11-12 12:31:27,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 12:31:27,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-12 12:31:27,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:27,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-12 12:31:27,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-12 12:31:27,409 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 385 [2024-11-12 12:31:27,413 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) [2024-11-12 12:31:27,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:27,413 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 385 [2024-11-12 12:31:27,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:28,984 INFO L124 PetriNetUnfolderBase]: 186/3460 cut-off events. [2024-11-12 12:31:28,984 INFO L125 PetriNetUnfolderBase]: For 134/138 co-relation queries the response was YES. [2024-11-12 12:31:28,991 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. [2024-11-12 12:31:28,997 INFO L140 encePairwiseOnDemand]: 374/385 looper letters, 47 selfloop transitions, 68 changer transitions 0/479 dead transitions. [2024-11-12 12:31:28,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 479 transitions, 1592 flow [2024-11-12 12:31:28,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-12 12:31:28,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2024-11-12 12:31:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 22493 transitions. [2024-11-12 12:31:29,022 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9273551844980417 [2024-11-12 12:31:29,022 INFO L175 Difference]: Start difference. First operand has 386 places, 393 transitions, 952 flow. Second operand 63 states and 22493 transitions. [2024-11-12 12:31:29,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 479 transitions, 1592 flow [2024-11-12 12:31:29,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 479 transitions, 1592 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:31:29,030 INFO L231 Difference]: Finished difference. Result has 464 places, 455 transitions, 1472 flow [2024-11-12 12:31:29,031 INFO L262 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} [2024-11-12 12:31:29,031 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, 89 predicate places. [2024-11-12 12:31:29,031 INFO L471 AbstractCegarLoop]: Abstraction has has 464 places, 455 transitions, 1472 flow [2024-11-12 12:31:29,033 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) [2024-11-12 12:31:29,033 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:29,034 INFO L206 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] [2024-11-12 12:31:29,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 12:31:29,238 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 [2024-11-12 12:31:29,239 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:31:29,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:29,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1272555210, now seen corresponding path program 2 times [2024-11-12 12:31:29,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:29,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912481067] [2024-11-12 12:31:29,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:29,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:31,419 INFO L134 CoverageAnalysis]: Checked inductivity of 19029 backedges. 9840 proven. 4207 refuted. 0 times theorem prover too weak. 4982 trivial. 0 not checked. [2024-11-12 12:31:31,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:31,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912481067] [2024-11-12 12:31:31,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912481067] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:31:31,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974899636] [2024-11-12 12:31:31,420 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 12:31:31,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:31:31,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:31:31,421 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) [2024-11-12 12:31:31,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 12:31:31,943 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 12:31:31,944 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 12:31:31,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 12:31:31,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:31:32,025 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 [2024-11-12 12:31:32,042 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 [2024-11-12 12:31:32,070 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:31:32,070 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 [2024-11-12 12:31:32,099 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:31:32,100 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 [2024-11-12 12:31:32,129 INFO L134 CoverageAnalysis]: Checked inductivity of 19029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19029 trivial. 0 not checked. [2024-11-12 12:31:32,129 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 12:31:32,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974899636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:31:32,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 12:31:32,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-12 12:31:32,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791897309] [2024-11-12 12:31:32,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:31:32,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:31:32,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:32,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:31:32,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-12 12:31:32,745 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 385 [2024-11-12 12:31:32,747 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) [2024-11-12 12:31:32,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:32,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 385 [2024-11-12 12:31:32,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:34,094 INFO L124 PetriNetUnfolderBase]: 311/4016 cut-off events. [2024-11-12 12:31:34,094 INFO L125 PetriNetUnfolderBase]: For 694/728 co-relation queries the response was YES. [2024-11-12 12:31:34,103 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. [2024-11-12 12:31:34,110 INFO L140 encePairwiseOnDemand]: 373/385 looper letters, 84 selfloop transitions, 31 changer transitions 0/494 dead transitions. [2024-11-12 12:31:34,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 494 transitions, 1822 flow [2024-11-12 12:31:34,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:31:34,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:31:34,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1993 transitions. [2024-11-12 12:31:34,116 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8627705627705627 [2024-11-12 12:31:34,117 INFO L175 Difference]: Start difference. First operand has 464 places, 455 transitions, 1472 flow. Second operand 6 states and 1993 transitions. [2024-11-12 12:31:34,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 494 transitions, 1822 flow [2024-11-12 12:31:34,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 494 transitions, 1746 flow, removed 19 selfloop flow, removed 7 redundant places. [2024-11-12 12:31:34,127 INFO L231 Difference]: Finished difference. Result has 467 places, 485 transitions, 1654 flow [2024-11-12 12:31:34,128 INFO L262 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} [2024-11-12 12:31:34,128 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, 92 predicate places. [2024-11-12 12:31:34,128 INFO L471 AbstractCegarLoop]: Abstraction has has 467 places, 485 transitions, 1654 flow [2024-11-12 12:31:34,129 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) [2024-11-12 12:31:34,129 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:34,129 INFO L206 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] [2024-11-12 12:31:34,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 12:31:34,333 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 [2024-11-12 12:31:34,334 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:31:34,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:34,337 INFO L85 PathProgramCache]: Analyzing trace with hash -2082350759, now seen corresponding path program 1 times [2024-11-12 12:31:34,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:34,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190849654] [2024-11-12 12:31:34,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:34,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:36,464 INFO L134 CoverageAnalysis]: Checked inductivity of 19029 backedges. 9840 proven. 4207 refuted. 0 times theorem prover too weak. 4982 trivial. 0 not checked. [2024-11-12 12:31:36,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:36,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190849654] [2024-11-12 12:31:36,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190849654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:31:36,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638354431] [2024-11-12 12:31:36,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:36,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:31:36,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:31:36,467 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) [2024-11-12 12:31:36,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 12:31:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:37,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 5678 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-12 12:31:37,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:31:38,136 INFO L134 CoverageAnalysis]: Checked inductivity of 19029 backedges. 9840 proven. 4207 refuted. 0 times theorem prover too weak. 4982 trivial. 0 not checked. [2024-11-12 12:31:38,136 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 12:31:38,752 INFO L134 CoverageAnalysis]: Checked inductivity of 19029 backedges. 9840 proven. 4207 refuted. 0 times theorem prover too weak. 4982 trivial. 0 not checked. [2024-11-12 12:31:38,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638354431] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 12:31:38,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 12:31:38,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-12 12:31:38,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290218050] [2024-11-12 12:31:38,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 12:31:38,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-12 12:31:38,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:38,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-12 12:31:38,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-12 12:31:38,788 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 385 [2024-11-12 12:31:38,797 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) [2024-11-12 12:31:38,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:38,799 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 385 [2024-11-12 12:31:38,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:41,027 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]) [2024-11-12 12:31:41,027 INFO L294 olderBase$Statistics]: this new event has 2977 ancestors and is cut-off event [2024-11-12 12:31:41,027 INFO L297 olderBase$Statistics]: existing Event has 2950 ancestors and is cut-off event [2024-11-12 12:31:41,027 INFO L297 olderBase$Statistics]: existing Event has 2950 ancestors and is cut-off event [2024-11-12 12:31:41,027 INFO L297 olderBase$Statistics]: existing Event has 2950 ancestors and is cut-off event [2024-11-12 12:31:41,979 INFO L124 PetriNetUnfolderBase]: 340/6486 cut-off events. [2024-11-12 12:31:41,979 INFO L125 PetriNetUnfolderBase]: For 3573/3591 co-relation queries the response was YES. [2024-11-12 12:31:41,993 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. [2024-11-12 12:31:42,002 INFO L140 encePairwiseOnDemand]: 379/385 looper letters, 47 selfloop transitions, 135 changer transitions 0/586 dead transitions. [2024-11-12 12:31:42,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 511 places, 586 transitions, 2782 flow [2024-11-12 12:31:42,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-12 12:31:42,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2024-11-12 12:31:42,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 16325 transitions. [2024-11-12 12:31:42,014 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9422799422799423 [2024-11-12 12:31:42,014 INFO L175 Difference]: Start difference. First operand has 467 places, 485 transitions, 1654 flow. Second operand 45 states and 16325 transitions. [2024-11-12 12:31:42,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 511 places, 586 transitions, 2782 flow [2024-11-12 12:31:42,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 586 transitions, 2782 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:31:42,027 INFO L231 Difference]: Finished difference. Result has 520 places, 560 transitions, 2528 flow [2024-11-12 12:31:42,027 INFO L262 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} [2024-11-12 12:31:42,028 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, 145 predicate places. [2024-11-12 12:31:42,028 INFO L471 AbstractCegarLoop]: Abstraction has has 520 places, 560 transitions, 2528 flow [2024-11-12 12:31:42,031 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) [2024-11-12 12:31:42,031 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:42,032 INFO L206 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] [2024-11-12 12:31:42,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 12:31:42,232 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 [2024-11-12 12:31:42,233 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:31:42,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:42,238 INFO L85 PathProgramCache]: Analyzing trace with hash 543816537, now seen corresponding path program 2 times [2024-11-12 12:31:42,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:42,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739029048] [2024-11-12 12:31:42,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:42,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:31:50,755 INFO L134 CoverageAnalysis]: Checked inductivity of 88741 backedges. 45056 proven. 21015 refuted. 0 times theorem prover too weak. 22670 trivial. 0 not checked. [2024-11-12 12:31:50,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:31:50,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739029048] [2024-11-12 12:31:50,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739029048] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:31:50,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200123692] [2024-11-12 12:31:50,755 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 12:31:50,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:31:50,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:31:50,757 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) [2024-11-12 12:31:50,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 12:31:51,831 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 12:31:51,832 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 12:31:51,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 12:31:51,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:31:51,910 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 [2024-11-12 12:31:51,930 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 [2024-11-12 12:31:51,957 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:31:51,957 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 [2024-11-12 12:31:51,990 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-12 12:31:51,991 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 [2024-11-12 12:31:52,029 INFO L134 CoverageAnalysis]: Checked inductivity of 88741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88741 trivial. 0 not checked. [2024-11-12 12:31:52,029 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 12:31:52,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200123692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:31:52,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 12:31:52,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [33] total 37 [2024-11-12 12:31:52,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970247809] [2024-11-12 12:31:52,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:31:52,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:31:52,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:31:52,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:31:52,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=1030, Unknown=0, NotChecked=0, Total=1332 [2024-11-12 12:31:52,367 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 385 [2024-11-12 12:31:52,368 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) [2024-11-12 12:31:52,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:31:52,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 385 [2024-11-12 12:31:52,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:31:56,052 INFO L124 PetriNetUnfolderBase]: 451/6740 cut-off events. [2024-11-12 12:31:56,052 INFO L125 PetriNetUnfolderBase]: For 2456/2548 co-relation queries the response was YES. [2024-11-12 12:31:56,068 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. [2024-11-12 12:31:56,077 INFO L140 encePairwiseOnDemand]: 374/385 looper letters, 108 selfloop transitions, 55 changer transitions 0/621 dead transitions. [2024-11-12 12:31:56,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 621 transitions, 3180 flow [2024-11-12 12:31:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:31:56,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:31:56,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1990 transitions. [2024-11-12 12:31:56,080 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8614718614718615 [2024-11-12 12:31:56,080 INFO L175 Difference]: Start difference. First operand has 520 places, 560 transitions, 2528 flow. Second operand 6 states and 1990 transitions. [2024-11-12 12:31:56,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 621 transitions, 3180 flow [2024-11-12 12:31:56,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 621 transitions, 3072 flow, removed 0 selfloop flow, removed 18 redundant places. [2024-11-12 12:31:56,101 INFO L231 Difference]: Finished difference. Result has 512 places, 609 transitions, 2974 flow [2024-11-12 12:31:56,102 INFO L262 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} [2024-11-12 12:31:56,102 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, 137 predicate places. [2024-11-12 12:31:56,103 INFO L471 AbstractCegarLoop]: Abstraction has has 512 places, 609 transitions, 2974 flow [2024-11-12 12:31:56,103 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) [2024-11-12 12:31:56,103 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:31:56,104 INFO L206 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] [2024-11-12 12:31:56,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-12 12:31:56,304 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 [2024-11-12 12:31:56,306 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:31:56,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:31:56,312 INFO L85 PathProgramCache]: Analyzing trace with hash -515148333, now seen corresponding path program 1 times [2024-11-12 12:31:56,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:31:56,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052850514] [2024-11-12 12:31:56,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:31:56,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:31:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:32:04,055 INFO L134 CoverageAnalysis]: Checked inductivity of 88741 backedges. 45056 proven. 21015 refuted. 0 times theorem prover too weak. 22670 trivial. 0 not checked. [2024-11-12 12:32:04,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:32:04,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052850514] [2024-11-12 12:32:04,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052850514] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 12:32:04,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800961861] [2024-11-12 12:32:04,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:32:04,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:32:04,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:32:04,058 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) [2024-11-12 12:32:04,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 12:32:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:32:06,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 11584 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-12 12:32:06,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 12:32:07,373 INFO L134 CoverageAnalysis]: Checked inductivity of 88741 backedges. 45056 proven. 21015 refuted. 0 times theorem prover too weak. 22670 trivial. 0 not checked. [2024-11-12 12:32:07,373 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 12:32:08,929 INFO L134 CoverageAnalysis]: Checked inductivity of 88741 backedges. 45056 proven. 21015 refuted. 0 times theorem prover too weak. 22670 trivial. 0 not checked. [2024-11-12 12:32:08,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800961861] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 12:32:08,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 12:32:08,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2024-11-12 12:32:08,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032087948] [2024-11-12 12:32:08,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 12:32:08,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-12 12:32:08,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:32:08,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-12 12:32:08,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2024-11-12 12:32:08,991 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 385 [2024-11-12 12:32:09,003 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) [2024-11-12 12:32:09,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:32:09,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 385 [2024-11-12 12:32:09,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:32:15,583 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][542], [Black: 394#(= |ULTIMATE.start_main_~i~0#1| 0), 1891#true, Black: 404#(= |ULTIMATE.start_main_~j~1#1| 0), 378#true, 3162#true, 5851#true, Black: 10225#(<= |ULTIMATE.start_main_~j~1#1| 7), Black: 17242#(< |ULTIMATE.start_main_~j~1#1| 27), Black: 16687#(< |ULTIMATE.start_main_~j~1#1| 30), Black: 16698#(< |ULTIMATE.start_main_~j~1#1| 29), Black: 18058#(< |ULTIMATE.start_main_~j~1#1| 24), Black: 27688#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 17514#(< |ULTIMATE.start_main_~j~1#1| 26), Black: 16970#(< |ULTIMATE.start_main_~j~1#1| 28), Black: 27684#(= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0), Black: 17786#(< |ULTIMATE.start_main_~j~1#1| 25), Black: 27692#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), Black: 27696#(and (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 2 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ 3 |fThread1of1ForFork0_~pos~0#1.offset|)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) (+ |fThread1of1ForFork0_~pos~0#1.offset| 1)) 0) (= (select (select |#race| |fThread1of1ForFork0_~pos~0#1.base|) |fThread1of1ForFork0_~pos~0#1.offset|) 0)), 436#true, 376#true, 27702#true, Black: 5756#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~1#1| 27)), 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), 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)), Black: 5810#(and (<= |ULTIMATE.start_main_~j~1#1| 29) (<= |ULTIMATE.start_main_~i~0#1| 1)), 10209#true, Black: 4322#(<= |ULTIMATE.start_main_~j~1#1| 3), Black: 3144#(= (select (select |#race| |~#c~0.base|) (+ (* |fThread1of1ForFork0_~j~0#1| 8) |~#c~0.offset|)) 0), 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)), Black: 5762#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= |ULTIMATE.start_main_~j~1#1| 28)), 180#L1044-2true, 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: 5804#(and (<= |ULTIMATE.start_main_~j~1#1| 28) (<= |ULTIMATE.start_main_~i~0#1| 1)), 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: 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)), 18996#true, 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: 440#(<= |ULTIMATE.start_main_~j~1#1| 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: 1268#(< |ULTIMATE.start_main_~j~1#1| 30), 71#L1044-2true, 266#ULTIMATE.startFINALtrue]) [2024-11-12 12:32:15,583 INFO L294 olderBase$Statistics]: this new event has 5677 ancestors and is cut-off event [2024-11-12 12:32:15,583 INFO L297 olderBase$Statistics]: existing Event has 5650 ancestors and is cut-off event [2024-11-12 12:32:15,584 INFO L297 olderBase$Statistics]: existing Event has 5650 ancestors and is cut-off event [2024-11-12 12:32:15,584 INFO L297 olderBase$Statistics]: existing Event has 5650 ancestors and is cut-off event [2024-11-12 12:32:19,852 INFO L124 PetriNetUnfolderBase]: 526/11268 cut-off events. [2024-11-12 12:32:19,852 INFO L125 PetriNetUnfolderBase]: For 15116/15214 co-relation queries the response was YES. [2024-11-12 12:32:19,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15515 conditions, 11268 events. 526/11268 cut-off events. For 15116/15214 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 24704 event pairs, 115 based on Foata normal form. 81/11018 useless extension candidates. Maximal degree in co-relation 12202. Up to 318 conditions per place. [2024-11-12 12:32:19,892 INFO L140 encePairwiseOnDemand]: 379/385 looper letters, 92 selfloop transitions, 270 changer transitions 0/815 dead transitions. [2024-11-12 12:32:19,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 601 places, 815 transitions, 5884 flow [2024-11-12 12:32:19,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-11-12 12:32:19,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2024-11-12 12:32:19,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 32637 transitions. [2024-11-12 12:32:19,905 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9419047619047619 [2024-11-12 12:32:19,905 INFO L175 Difference]: Start difference. First operand has 512 places, 609 transitions, 2974 flow. Second operand 90 states and 32637 transitions. [2024-11-12 12:32:19,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 601 places, 815 transitions, 5884 flow [2024-11-12 12:32:19,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 601 places, 815 transitions, 5884 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:32:19,934 INFO L231 Difference]: Finished difference. Result has 617 places, 747 transitions, 4966 flow [2024-11-12 12:32:19,935 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=2974, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=609, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=4966, PETRI_PLACES=617, PETRI_TRANSITIONS=747} [2024-11-12 12:32:19,935 INFO L279 CegarLoopForPetriNet]: 375 programPoint places, 242 predicate places. [2024-11-12 12:32:19,935 INFO L471 AbstractCegarLoop]: Abstraction has has 617 places, 747 transitions, 4966 flow [2024-11-12 12:32:19,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2024-11-12 12:32:19,941 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:32:19,943 INFO L206 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 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] [2024-11-12 12:32:19,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-12 12:32:20,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 12:32:20,143 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-12 12:32:20,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:32:20,155 INFO L85 PathProgramCache]: Analyzing trace with hash 168981395, now seen corresponding path program 2 times [2024-11-12 12:32:20,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:32:20,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796401102] [2024-11-12 12:32:20,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:32:20,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:32:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat