./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-lit/sssc12.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9ead4-7462-40f2-a34a-15626c36474c/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9ead4-7462-40f2-a34a-15626c36474c/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9ead4-7462-40f2-a34a-15626c36474c/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9ead4-7462-40f2-a34a-15626c36474c/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-lit/sssc12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9ead4-7462-40f2-a34a-15626c36474c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9ead4-7462-40f2-a34a-15626c36474c/bin/uautomizer-verify-qhAvR1uOyd --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 94001a9ab0492f7774a7e81f183179cf0060947b701e48f51b2989eec22ae051 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:15:55,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:15:55,618 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9ead4-7462-40f2-a34a-15626c36474c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:15:55,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:15:55,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:15:55,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:15:55,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:15:55,649 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:15:55,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:15:55,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:15:55,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:15:55,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:15:55,650 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:15:55,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:15:55,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:15:55,651 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:15:55,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:15:55,651 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:15:55,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:15:55,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:15:55,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:15:55,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:15:55,652 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:15:55,652 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:15:55,652 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:15:55,652 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:15:55,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:15:55,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:15:55,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:15:55,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:15:55,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:15:55,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:15:55,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:15:55,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:15:55,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:15:55,654 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:15:55,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:15:55,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:15:55,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:15:55,660 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:15:55,660 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:15:55,660 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9ead4-7462-40f2-a34a-15626c36474c/bin/uautomizer-verify-qhAvR1uOyd 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 -> 94001a9ab0492f7774a7e81f183179cf0060947b701e48f51b2989eec22ae051 [2024-11-13 15:15:56,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:15:56,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:15:56,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:15:56,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:15:56,047 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:15:56,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9ead4-7462-40f2-a34a-15626c36474c/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-lit/sssc12.i Unable to find full path for "g++" [2024-11-13 15:15:58,250 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:15:58,640 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:15:58,643 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9ead4-7462-40f2-a34a-15626c36474c/sv-benchmarks/c/pthread-lit/sssc12.i [2024-11-13 15:15:58,667 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9ead4-7462-40f2-a34a-15626c36474c/bin/uautomizer-verify-qhAvR1uOyd/data/d990f47ac/56cf46310c544ce0bfc190c8d11f5e27/FLAGbc4808c7b [2024-11-13 15:15:58,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9ead4-7462-40f2-a34a-15626c36474c/bin/uautomizer-verify-qhAvR1uOyd/data/d990f47ac/56cf46310c544ce0bfc190c8d11f5e27 [2024-11-13 15:15:58,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:15:58,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:15:58,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:15:58,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:15:58,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:15:58,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:15:58" (1/1) ... [2024-11-13 15:15:58,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf4d405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:15:58, skipping insertion in model container [2024-11-13 15:15:58,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:15:58" (1/1) ... [2024-11-13 15:15:58,885 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:15:59,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:15:59,589 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:15:59,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:15:59,711 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:15:59,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:15:59 WrapperNode [2024-11-13 15:15:59,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:15:59,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:15:59,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:15:59,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:15:59,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:15:59" (1/1) ... [2024-11-13 15:15:59,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:15:59" (1/1) ... [2024-11-13 15:15:59,758 INFO L138 Inliner]: procedures = 275, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 125 [2024-11-13 15:15:59,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:15:59,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:15:59,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:15:59,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:15:59,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:15:59" (1/1) ... [2024-11-13 15:15:59,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:15:59" (1/1) ... [2024-11-13 15:15:59,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:15:59" (1/1) ... [2024-11-13 15:15:59,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:15:59" (1/1) ... [2024-11-13 15:15:59,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:15:59" (1/1) ... [2024-11-13 15:15:59,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:15:59" (1/1) ... [2024-11-13 15:15:59,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:15:59" (1/1) ... [2024-11-13 15:15:59,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:15:59" (1/1) ... [2024-11-13 15:15:59,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:15:59,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:15:59,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:15:59,793 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:15:59,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:15:59" (1/1) ... [2024-11-13 15:15:59,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:15:59,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9ead4-7462-40f2-a34a-15626c36474c/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:15:59,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9ead4-7462-40f2-a34a-15626c36474c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:15:59,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead9ead4-7462-40f2-a34a-15626c36474c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:15:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2024-11-13 15:15:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2024-11-13 15:15:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 15:15:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 15:15:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 15:15:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 15:15:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 15:15:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:15:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:15:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:15:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:15:59,894 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 15:16:00,090 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:16:00,095 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:16:00,494 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:16:00,494 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:16:00,532 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:16:00,533 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 15:16:00,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:16:00 BoogieIcfgContainer [2024-11-13 15:16:00,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:16:00,536 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:16:00,537 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:16:00,546 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:16:00,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:15:58" (1/3) ... [2024-11-13 15:16:00,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f87d84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:16:00, skipping insertion in model container [2024-11-13 15:16:00,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:15:59" (2/3) ... [2024-11-13 15:16:00,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f87d84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:16:00, skipping insertion in model container [2024-11-13 15:16:00,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:16:00" (3/3) ... [2024-11-13 15:16:00,551 INFO L112 eAbstractionObserver]: Analyzing ICFG sssc12.i [2024-11-13 15:16:00,568 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:16:00,570 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG sssc12.i that has 2 procedures, 142 locations, 1 initial locations, 2 loop locations, and 14 error locations. [2024-11-13 15:16:00,570 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:16:00,712 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 15:16:00,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 151 transitions, 306 flow [2024-11-13 15:16:00,894 INFO L124 PetriNetUnfolderBase]: 10/161 cut-off events. [2024-11-13 15:16:00,900 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:16:00,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 161 events. 10/161 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 151 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 82. Up to 4 conditions per place. [2024-11-13 15:16:00,908 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 151 transitions, 306 flow [2024-11-13 15:16:00,917 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 145 places, 151 transitions, 306 flow [2024-11-13 15:16:00,930 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:16:00,951 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;@3ac1fd3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:16:00,951 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2024-11-13 15:16:00,966 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:16:00,966 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-13 15:16:00,966 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:16:00,966 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:00,968 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:00,968 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-13 15:16:00,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:00,976 INFO L85 PathProgramCache]: Analyzing trace with hash 643534275, now seen corresponding path program 1 times [2024-11-13 15:16:00,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:00,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597725494] [2024-11-13 15:16:00,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:00,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:01,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:01,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:01,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597725494] [2024-11-13 15:16:01,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597725494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:01,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:01,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:01,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009150752] [2024-11-13 15:16:01,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:01,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:01,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:01,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:01,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:01,408 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 151 [2024-11-13 15:16:01,413 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 151 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 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) [2024-11-13 15:16:01,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:01,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 151 [2024-11-13 15:16:01,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:01,508 INFO L124 PetriNetUnfolderBase]: 4/142 cut-off events. [2024-11-13 15:16:01,508 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:16:01,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 142 events. 4/142 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 108 event pairs, 0 based on Foata normal form. 12/135 useless extension candidates. Maximal degree in co-relation 77. Up to 11 conditions per place. [2024-11-13 15:16:01,510 INFO L140 encePairwiseOnDemand]: 142/151 looper letters, 10 selfloop transitions, 2 changer transitions 1/138 dead transitions. [2024-11-13 15:16:01,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 138 transitions, 304 flow [2024-11-13 15:16:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:16:01,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:16:01,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 409 transitions. [2024-11-13 15:16:01,530 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9028697571743929 [2024-11-13 15:16:01,532 INFO L175 Difference]: Start difference. First operand has 145 places, 151 transitions, 306 flow. Second operand 3 states and 409 transitions. [2024-11-13 15:16:01,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 138 transitions, 304 flow [2024-11-13 15:16:01,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 138 transitions, 304 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:16:01,550 INFO L231 Difference]: Finished difference. Result has 139 places, 137 transitions, 282 flow [2024-11-13 15:16:01,554 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=139, PETRI_TRANSITIONS=137} [2024-11-13 15:16:01,559 INFO L277 CegarLoopForPetriNet]: 145 programPoint places, -6 predicate places. [2024-11-13 15:16:01,560 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 137 transitions, 282 flow [2024-11-13 15:16:01,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 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) [2024-11-13 15:16:01,561 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:01,561 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:01,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:16:01,561 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-13 15:16:01,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:01,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1208687990, now seen corresponding path program 1 times [2024-11-13 15:16:01,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:01,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820896724] [2024-11-13 15:16:01,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:01,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:01,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:01,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:01,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820896724] [2024-11-13 15:16:01,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820896724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:01,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:01,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:01,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38893986] [2024-11-13 15:16:01,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:01,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:01,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:01,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:01,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:01,780 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 151 [2024-11-13 15:16:01,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 137 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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) [2024-11-13 15:16:01,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:01,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 151 [2024-11-13 15:16:01,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:01,837 INFO L124 PetriNetUnfolderBase]: 4/140 cut-off events. [2024-11-13 15:16:01,837 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:16:01,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 140 events. 4/140 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 106 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 127. Up to 12 conditions per place. [2024-11-13 15:16:01,839 INFO L140 encePairwiseOnDemand]: 148/151 looper letters, 11 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2024-11-13 15:16:01,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 136 transitions, 306 flow [2024-11-13 15:16:01,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:16:01,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:16:01,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 401 transitions. [2024-11-13 15:16:01,843 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8852097130242825 [2024-11-13 15:16:01,843 INFO L175 Difference]: Start difference. First operand has 139 places, 137 transitions, 282 flow. Second operand 3 states and 401 transitions. [2024-11-13 15:16:01,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 136 transitions, 306 flow [2024-11-13 15:16:01,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 136 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:16:01,853 INFO L231 Difference]: Finished difference. Result has 137 places, 136 transitions, 280 flow [2024-11-13 15:16:01,853 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=280, PETRI_PLACES=137, PETRI_TRANSITIONS=136} [2024-11-13 15:16:01,854 INFO L277 CegarLoopForPetriNet]: 145 programPoint places, -8 predicate places. [2024-11-13 15:16:01,854 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 136 transitions, 280 flow [2024-11-13 15:16:01,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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) [2024-11-13 15:16:01,855 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:01,855 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:01,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:16:01,855 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-13 15:16:01,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:01,858 INFO L85 PathProgramCache]: Analyzing trace with hash -365730039, now seen corresponding path program 1 times [2024-11-13 15:16:01,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:01,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279388831] [2024-11-13 15:16:01,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:01,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:01,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:01,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:01,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279388831] [2024-11-13 15:16:01,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279388831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:01,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:01,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:01,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551148798] [2024-11-13 15:16:01,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:01,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:01,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:01,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:01,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:01,990 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 151 [2024-11-13 15:16:01,990 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 136 transitions, 280 flow. Second operand has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 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) [2024-11-13 15:16:01,990 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:01,990 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 151 [2024-11-13 15:16:01,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:02,093 INFO L124 PetriNetUnfolderBase]: 4/135 cut-off events. [2024-11-13 15:16:02,093 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 15:16:02,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 135 events. 4/135 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 95 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 115. Up to 13 conditions per place. [2024-11-13 15:16:02,095 INFO L140 encePairwiseOnDemand]: 145/151 looper letters, 13 selfloop transitions, 1 changer transitions 0/131 dead transitions. [2024-11-13 15:16:02,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 131 transitions, 298 flow [2024-11-13 15:16:02,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:16:02,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:16:02,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 394 transitions. [2024-11-13 15:16:02,097 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.869757174392936 [2024-11-13 15:16:02,097 INFO L175 Difference]: Start difference. First operand has 137 places, 136 transitions, 280 flow. Second operand 3 states and 394 transitions. [2024-11-13 15:16:02,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 131 transitions, 298 flow [2024-11-13 15:16:02,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 131 transitions, 294 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:16:02,101 INFO L231 Difference]: Finished difference. Result has 132 places, 131 transitions, 268 flow [2024-11-13 15:16:02,101 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=268, PETRI_PLACES=132, PETRI_TRANSITIONS=131} [2024-11-13 15:16:02,102 INFO L277 CegarLoopForPetriNet]: 145 programPoint places, -13 predicate places. [2024-11-13 15:16:02,102 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 131 transitions, 268 flow [2024-11-13 15:16:02,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 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) [2024-11-13 15:16:02,103 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:02,103 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:02,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:16:02,103 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-13 15:16:02,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:02,104 INFO L85 PathProgramCache]: Analyzing trace with hash 207712387, now seen corresponding path program 1 times [2024-11-13 15:16:02,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:02,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668335982] [2024-11-13 15:16:02,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:02,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:02,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:02,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:02,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668335982] [2024-11-13 15:16:02,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668335982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:02,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:02,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:02,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484324283] [2024-11-13 15:16:02,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:02,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:02,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:02,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:02,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:02,217 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 151 [2024-11-13 15:16:02,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 131 transitions, 268 flow. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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) [2024-11-13 15:16:02,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:02,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 151 [2024-11-13 15:16:02,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:02,260 INFO L124 PetriNetUnfolderBase]: 4/134 cut-off events. [2024-11-13 15:16:02,260 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:16:02,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 134 events. 4/134 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 96 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 108. Up to 8 conditions per place. [2024-11-13 15:16:02,261 INFO L140 encePairwiseOnDemand]: 148/151 looper letters, 7 selfloop transitions, 2 changer transitions 0/130 dead transitions. [2024-11-13 15:16:02,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 130 transitions, 284 flow [2024-11-13 15:16:02,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:16:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:16:02,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 409 transitions. [2024-11-13 15:16:02,263 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9028697571743929 [2024-11-13 15:16:02,263 INFO L175 Difference]: Start difference. First operand has 132 places, 131 transitions, 268 flow. Second operand 3 states and 409 transitions. [2024-11-13 15:16:02,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 130 transitions, 284 flow [2024-11-13 15:16:02,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 130 transitions, 283 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:16:02,269 INFO L231 Difference]: Finished difference. Result has 132 places, 130 transitions, 269 flow [2024-11-13 15:16:02,272 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=269, PETRI_PLACES=132, PETRI_TRANSITIONS=130} [2024-11-13 15:16:02,273 INFO L277 CegarLoopForPetriNet]: 145 programPoint places, -13 predicate places. [2024-11-13 15:16:02,273 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 130 transitions, 269 flow [2024-11-13 15:16:02,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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) [2024-11-13 15:16:02,273 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:02,274 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-11-13 15:16:02,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:16:02,275 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-13 15:16:02,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:02,276 INFO L85 PathProgramCache]: Analyzing trace with hash 463235495, now seen corresponding path program 1 times [2024-11-13 15:16:02,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:02,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265564443] [2024-11-13 15:16:02,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:02,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:02,512 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 15:16:02,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:02,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265564443] [2024-11-13 15:16:02,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265564443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:02,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:02,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:16:02,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690584498] [2024-11-13 15:16:02,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:02,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:16:02,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:02,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:16:02,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:16:02,555 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 151 [2024-11-13 15:16:02,557 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 130 transitions, 269 flow. Second operand has 5 states, 5 states have (on average 129.2) internal successors, (646), 5 states have internal predecessors, (646), 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) [2024-11-13 15:16:02,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:02,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 151 [2024-11-13 15:16:02,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:02,643 INFO L124 PetriNetUnfolderBase]: 3/137 cut-off events. [2024-11-13 15:16:02,643 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:16:02,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 137 events. 3/137 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 102 event pairs, 0 based on Foata normal form. 1/127 useless extension candidates. Maximal degree in co-relation 122. Up to 15 conditions per place. [2024-11-13 15:16:02,645 INFO L140 encePairwiseOnDemand]: 147/151 looper letters, 14 selfloop transitions, 0 changer transitions 4/133 dead transitions. [2024-11-13 15:16:02,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 133 transitions, 311 flow [2024-11-13 15:16:02,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:16:02,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 15:16:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 654 transitions. [2024-11-13 15:16:02,650 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.866225165562914 [2024-11-13 15:16:02,652 INFO L175 Difference]: Start difference. First operand has 132 places, 130 transitions, 269 flow. Second operand 5 states and 654 transitions. [2024-11-13 15:16:02,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 133 transitions, 311 flow [2024-11-13 15:16:02,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 133 transitions, 307 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:16:02,656 INFO L231 Difference]: Finished difference. Result has 137 places, 129 transitions, 269 flow [2024-11-13 15:16:02,658 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=269, PETRI_PLACES=137, PETRI_TRANSITIONS=129} [2024-11-13 15:16:02,661 INFO L277 CegarLoopForPetriNet]: 145 programPoint places, -8 predicate places. [2024-11-13 15:16:02,661 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 129 transitions, 269 flow [2024-11-13 15:16:02,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 129.2) internal successors, (646), 5 states have internal predecessors, (646), 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) [2024-11-13 15:16:02,662 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:02,663 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-11-13 15:16:02,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:16:02,663 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2024-11-13 15:16:02,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:02,667 INFO L85 PathProgramCache]: Analyzing trace with hash 526752598, now seen corresponding path program 1 times [2024-11-13 15:16:02,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:02,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210356719] [2024-11-13 15:16:02,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:02,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:16:02,723 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:16:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:16:02,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:16:02,783 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:16:02,784 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 23 remaining) [2024-11-13 15:16:02,786 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 23 remaining) [2024-11-13 15:16:02,786 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 23 remaining) [2024-11-13 15:16:02,787 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 23 remaining) [2024-11-13 15:16:02,787 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 23 remaining) [2024-11-13 15:16:02,787 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 23 remaining) [2024-11-13 15:16:02,791 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (16 of 23 remaining) [2024-11-13 15:16:02,791 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (15 of 23 remaining) [2024-11-13 15:16:02,791 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (14 of 23 remaining) [2024-11-13 15:16:02,791 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (13 of 23 remaining) [2024-11-13 15:16:02,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (12 of 23 remaining) [2024-11-13 15:16:02,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (11 of 23 remaining) [2024-11-13 15:16:02,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (10 of 23 remaining) [2024-11-13 15:16:02,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (9 of 23 remaining) [2024-11-13 15:16:02,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (8 of 23 remaining) [2024-11-13 15:16:02,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (7 of 23 remaining) [2024-11-13 15:16:02,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (6 of 23 remaining) [2024-11-13 15:16:02,792 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (5 of 23 remaining) [2024-11-13 15:16:02,793 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (4 of 23 remaining) [2024-11-13 15:16:02,793 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (3 of 23 remaining) [2024-11-13 15:16:02,793 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (2 of 23 remaining) [2024-11-13 15:16:02,793 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (1 of 23 remaining) [2024-11-13 15:16:02,793 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (0 of 23 remaining) [2024-11-13 15:16:02,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:16:02,794 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-13 15:16:02,799 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 15:16:02,799 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-13 15:16:02,865 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 15:16:02,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 212 places, 222 transitions, 454 flow [2024-11-13 15:16:02,928 INFO L124 PetriNetUnfolderBase]: 17/244 cut-off events. [2024-11-13 15:16:02,929 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 15:16:02,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 244 events. 17/244 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 518 event pairs, 0 based on Foata normal form. 0/202 useless extension candidates. Maximal degree in co-relation 162. Up to 6 conditions per place. [2024-11-13 15:16:02,934 INFO L82 GeneralOperation]: Start removeDead. Operand has 212 places, 222 transitions, 454 flow [2024-11-13 15:16:02,937 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 212 places, 222 transitions, 454 flow [2024-11-13 15:16:02,939 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:16:02,940 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;@3ac1fd3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:16:02,941 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2024-11-13 15:16:02,944 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:16:02,945 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-13 15:16:02,945 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:16:02,945 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:02,945 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:02,945 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 15:16:02,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:02,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1746523779, now seen corresponding path program 1 times [2024-11-13 15:16:02,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:02,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594593764] [2024-11-13 15:16:02,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:02,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:03,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:03,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:03,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594593764] [2024-11-13 15:16:03,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594593764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:03,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:03,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:03,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124341900] [2024-11-13 15:16:03,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:03,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:03,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:03,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:03,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:03,092 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 222 [2024-11-13 15:16:03,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 222 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 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) [2024-11-13 15:16:03,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:03,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 222 [2024-11-13 15:16:03,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:03,295 INFO L124 PetriNetUnfolderBase]: 70/676 cut-off events. [2024-11-13 15:16:03,295 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-13 15:16:03,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 806 conditions, 676 events. 70/676 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3820 event pairs, 42 based on Foata normal form. 99/660 useless extension candidates. Maximal degree in co-relation 616. Up to 102 conditions per place. [2024-11-13 15:16:03,302 INFO L140 encePairwiseOnDemand]: 210/222 looper letters, 17 selfloop transitions, 2 changer transitions 1/204 dead transitions. [2024-11-13 15:16:03,303 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 204 transitions, 456 flow [2024-11-13 15:16:03,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:16:03,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:16:03,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2024-11-13 15:16:03,306 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8993993993993994 [2024-11-13 15:16:03,306 INFO L175 Difference]: Start difference. First operand has 212 places, 222 transitions, 454 flow. Second operand 3 states and 599 transitions. [2024-11-13 15:16:03,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 204 transitions, 456 flow [2024-11-13 15:16:03,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 204 transitions, 456 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:16:03,313 INFO L231 Difference]: Finished difference. Result has 204 places, 203 transitions, 420 flow [2024-11-13 15:16:03,313 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=204, PETRI_TRANSITIONS=203} [2024-11-13 15:16:03,314 INFO L277 CegarLoopForPetriNet]: 212 programPoint places, -8 predicate places. [2024-11-13 15:16:03,315 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 203 transitions, 420 flow [2024-11-13 15:16:03,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 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) [2024-11-13 15:16:03,315 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:03,315 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:03,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:16:03,315 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 15:16:03,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:03,316 INFO L85 PathProgramCache]: Analyzing trace with hash -651599276, now seen corresponding path program 1 times [2024-11-13 15:16:03,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:03,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534488435] [2024-11-13 15:16:03,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:03,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:03,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:03,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:03,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534488435] [2024-11-13 15:16:03,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534488435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:03,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:03,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:03,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521523055] [2024-11-13 15:16:03,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:03,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:03,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:03,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:03,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:03,421 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 222 [2024-11-13 15:16:03,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 203 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 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) [2024-11-13 15:16:03,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:03,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 222 [2024-11-13 15:16:03,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:03,570 INFO L124 PetriNetUnfolderBase]: 42/532 cut-off events. [2024-11-13 15:16:03,571 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-13 15:16:03,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 614 conditions, 532 events. 42/532 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2583 event pairs, 20 based on Foata normal form. 0/443 useless extension candidates. Maximal degree in co-relation 579. Up to 57 conditions per place. [2024-11-13 15:16:03,577 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 16 selfloop transitions, 2 changer transitions 0/202 dead transitions. [2024-11-13 15:16:03,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 202 transitions, 454 flow [2024-11-13 15:16:03,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:16:03,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:16:03,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 592 transitions. [2024-11-13 15:16:03,581 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2024-11-13 15:16:03,582 INFO L175 Difference]: Start difference. First operand has 204 places, 203 transitions, 420 flow. Second operand 3 states and 592 transitions. [2024-11-13 15:16:03,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 202 transitions, 454 flow [2024-11-13 15:16:03,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 202 transitions, 450 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:16:03,588 INFO L231 Difference]: Finished difference. Result has 202 places, 202 transitions, 418 flow [2024-11-13 15:16:03,589 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=202, PETRI_TRANSITIONS=202} [2024-11-13 15:16:03,593 INFO L277 CegarLoopForPetriNet]: 212 programPoint places, -10 predicate places. [2024-11-13 15:16:03,593 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 202 transitions, 418 flow [2024-11-13 15:16:03,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 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) [2024-11-13 15:16:03,594 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:03,594 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:03,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:16:03,594 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 15:16:03,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:03,594 INFO L85 PathProgramCache]: Analyzing trace with hash -2026875801, now seen corresponding path program 1 times [2024-11-13 15:16:03,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:03,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466412858] [2024-11-13 15:16:03,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:03,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:03,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:03,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:03,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466412858] [2024-11-13 15:16:03,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466412858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:03,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:03,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:03,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917813102] [2024-11-13 15:16:03,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:03,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:03,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:03,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:03,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:03,695 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 222 [2024-11-13 15:16:03,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 202 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 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) [2024-11-13 15:16:03,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:03,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 222 [2024-11-13 15:16:03,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:03,905 INFO L124 PetriNetUnfolderBase]: 82/814 cut-off events. [2024-11-13 15:16:03,906 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-13 15:16:03,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 954 conditions, 814 events. 82/814 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4781 event pairs, 42 based on Foata normal form. 0/692 useless extension candidates. Maximal degree in co-relation 911. Up to 109 conditions per place. [2024-11-13 15:16:03,914 INFO L140 encePairwiseOnDemand]: 214/222 looper letters, 20 selfloop transitions, 1 changer transitions 0/195 dead transitions. [2024-11-13 15:16:03,914 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 195 transitions, 446 flow [2024-11-13 15:16:03,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:16:03,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:16:03,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 577 transitions. [2024-11-13 15:16:03,917 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8663663663663663 [2024-11-13 15:16:03,917 INFO L175 Difference]: Start difference. First operand has 202 places, 202 transitions, 418 flow. Second operand 3 states and 577 transitions. [2024-11-13 15:16:03,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 195 transitions, 446 flow [2024-11-13 15:16:03,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 195 transitions, 442 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:16:03,922 INFO L231 Difference]: Finished difference. Result has 195 places, 195 transitions, 402 flow [2024-11-13 15:16:03,923 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=195, PETRI_TRANSITIONS=195} [2024-11-13 15:16:03,924 INFO L277 CegarLoopForPetriNet]: 212 programPoint places, -17 predicate places. [2024-11-13 15:16:03,924 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 195 transitions, 402 flow [2024-11-13 15:16:03,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.0) internal successors, (552), 3 states have internal predecessors, (552), 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) [2024-11-13 15:16:03,925 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:03,925 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:03,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:16:03,926 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 15:16:03,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:03,927 INFO L85 PathProgramCache]: Analyzing trace with hash 13008865, now seen corresponding path program 1 times [2024-11-13 15:16:03,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:03,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750617002] [2024-11-13 15:16:03,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:03,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:04,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:04,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:04,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750617002] [2024-11-13 15:16:04,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750617002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:04,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:04,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:04,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425883794] [2024-11-13 15:16:04,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:04,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:04,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:04,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:04,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:04,042 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 222 [2024-11-13 15:16:04,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 195 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 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) [2024-11-13 15:16:04,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:04,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 222 [2024-11-13 15:16:04,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:04,148 INFO L124 PetriNetUnfolderBase]: 31/448 cut-off events. [2024-11-13 15:16:04,148 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-13 15:16:04,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 505 conditions, 448 events. 31/448 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1857 event pairs, 12 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 462. Up to 36 conditions per place. [2024-11-13 15:16:04,152 INFO L140 encePairwiseOnDemand]: 219/222 looper letters, 11 selfloop transitions, 2 changer transitions 0/194 dead transitions. [2024-11-13 15:16:04,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 194 transitions, 426 flow [2024-11-13 15:16:04,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:16:04,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:16:04,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 602 transitions. [2024-11-13 15:16:04,155 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9039039039039038 [2024-11-13 15:16:04,155 INFO L175 Difference]: Start difference. First operand has 195 places, 195 transitions, 402 flow. Second operand 3 states and 602 transitions. [2024-11-13 15:16:04,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 194 transitions, 426 flow [2024-11-13 15:16:04,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 194 transitions, 425 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:16:04,160 INFO L231 Difference]: Finished difference. Result has 195 places, 194 transitions, 403 flow [2024-11-13 15:16:04,160 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=403, PETRI_PLACES=195, PETRI_TRANSITIONS=194} [2024-11-13 15:16:04,161 INFO L277 CegarLoopForPetriNet]: 212 programPoint places, -17 predicate places. [2024-11-13 15:16:04,161 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 194 transitions, 403 flow [2024-11-13 15:16:04,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 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) [2024-11-13 15:16:04,162 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:04,162 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:04,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:16:04,162 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 15:16:04,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:04,163 INFO L85 PathProgramCache]: Analyzing trace with hash -428973455, now seen corresponding path program 1 times [2024-11-13 15:16:04,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:04,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569991574] [2024-11-13 15:16:04,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:04,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:04,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:04,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:04,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569991574] [2024-11-13 15:16:04,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569991574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:04,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:04,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:04,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270256065] [2024-11-13 15:16:04,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:04,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:04,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:04,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:04,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:04,314 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 222 [2024-11-13 15:16:04,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 194 transitions, 403 flow. Second operand has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 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) [2024-11-13 15:16:04,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:04,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 222 [2024-11-13 15:16:04,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:04,622 INFO L124 PetriNetUnfolderBase]: 195/1601 cut-off events. [2024-11-13 15:16:04,622 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-13 15:16:04,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1931 conditions, 1601 events. 195/1601 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 12526 event pairs, 57 based on Foata normal form. 0/1390 useless extension candidates. Maximal degree in co-relation 1888. Up to 204 conditions per place. [2024-11-13 15:16:04,634 INFO L140 encePairwiseOnDemand]: 202/222 looper letters, 32 selfloop transitions, 14 changer transitions 0/213 dead transitions. [2024-11-13 15:16:04,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 213 transitions, 538 flow [2024-11-13 15:16:04,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:16:04,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:16:04,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 604 transitions. [2024-11-13 15:16:04,636 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9069069069069069 [2024-11-13 15:16:04,636 INFO L175 Difference]: Start difference. First operand has 195 places, 194 transitions, 403 flow. Second operand 3 states and 604 transitions. [2024-11-13 15:16:04,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 213 transitions, 538 flow [2024-11-13 15:16:04,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 213 transitions, 534 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:16:04,641 INFO L231 Difference]: Finished difference. Result has 197 places, 208 transitions, 523 flow [2024-11-13 15:16:04,642 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=523, PETRI_PLACES=197, PETRI_TRANSITIONS=208} [2024-11-13 15:16:04,642 INFO L277 CegarLoopForPetriNet]: 212 programPoint places, -15 predicate places. [2024-11-13 15:16:04,642 INFO L471 AbstractCegarLoop]: Abstraction has has 197 places, 208 transitions, 523 flow [2024-11-13 15:16:04,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 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) [2024-11-13 15:16:04,643 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:04,643 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 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] [2024-11-13 15:16:04,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 15:16:04,643 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 15:16:04,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:04,644 INFO L85 PathProgramCache]: Analyzing trace with hash -2008237451, now seen corresponding path program 1 times [2024-11-13 15:16:04,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:04,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659552046] [2024-11-13 15:16:04,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:04,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 15:16:04,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:04,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659552046] [2024-11-13 15:16:04,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659552046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:04,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:04,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:16:04,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545116044] [2024-11-13 15:16:04,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:04,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:16:04,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:04,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:16:04,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:16:04,794 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 222 [2024-11-13 15:16:04,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 208 transitions, 523 flow. Second operand has 5 states, 5 states have (on average 193.4) internal successors, (967), 5 states have internal predecessors, (967), 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) [2024-11-13 15:16:04,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:04,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 222 [2024-11-13 15:16:04,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:05,140 INFO L124 PetriNetUnfolderBase]: 130/1498 cut-off events. [2024-11-13 15:16:05,141 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2024-11-13 15:16:05,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1771 conditions, 1498 events. 130/1498 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 11578 event pairs, 41 based on Foata normal form. 1/1303 useless extension candidates. Maximal degree in co-relation 1727. Up to 120 conditions per place. [2024-11-13 15:16:05,155 INFO L140 encePairwiseOnDemand]: 218/222 looper letters, 17 selfloop transitions, 0 changer transitions 4/211 dead transitions. [2024-11-13 15:16:05,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 211 transitions, 571 flow [2024-11-13 15:16:05,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:16:05,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 15:16:05,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 977 transitions. [2024-11-13 15:16:05,159 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8801801801801802 [2024-11-13 15:16:05,159 INFO L175 Difference]: Start difference. First operand has 197 places, 208 transitions, 523 flow. Second operand 5 states and 977 transitions. [2024-11-13 15:16:05,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 211 transitions, 571 flow [2024-11-13 15:16:05,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 211 transitions, 543 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:16:05,166 INFO L231 Difference]: Finished difference. Result has 202 places, 207 transitions, 499 flow [2024-11-13 15:16:05,167 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=499, PETRI_PLACES=202, PETRI_TRANSITIONS=207} [2024-11-13 15:16:05,167 INFO L277 CegarLoopForPetriNet]: 212 programPoint places, -10 predicate places. [2024-11-13 15:16:05,167 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 207 transitions, 499 flow [2024-11-13 15:16:05,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 193.4) internal successors, (967), 5 states have internal predecessors, (967), 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) [2024-11-13 15:16:05,168 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:05,168 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 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] [2024-11-13 15:16:05,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 15:16:05,169 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 15:16:05,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:05,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1360803204, now seen corresponding path program 1 times [2024-11-13 15:16:05,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:05,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081838555] [2024-11-13 15:16:05,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:05,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:16:05,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:16:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:16:05,222 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:16:05,222 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:16:05,222 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2024-11-13 15:16:05,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2024-11-13 15:16:05,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2024-11-13 15:16:05,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2024-11-13 15:16:05,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2024-11-13 15:16:05,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2024-11-13 15:16:05,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2024-11-13 15:16:05,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2024-11-13 15:16:05,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2024-11-13 15:16:05,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2024-11-13 15:16:05,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2024-11-13 15:16:05,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2024-11-13 15:16:05,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2024-11-13 15:16:05,224 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2024-11-13 15:16:05,224 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2024-11-13 15:16:05,224 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2024-11-13 15:16:05,224 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2024-11-13 15:16:05,224 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining) [2024-11-13 15:16:05,224 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2024-11-13 15:16:05,224 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2024-11-13 15:16:05,224 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2024-11-13 15:16:05,224 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2024-11-13 15:16:05,224 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2024-11-13 15:16:05,224 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2024-11-13 15:16:05,225 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2024-11-13 15:16:05,225 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2024-11-13 15:16:05,225 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2024-11-13 15:16:05,225 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2024-11-13 15:16:05,225 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2024-11-13 15:16:05,225 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2024-11-13 15:16:05,225 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2024-11-13 15:16:05,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 15:16:05,225 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:05,226 WARN L247 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 15:16:05,226 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-13 15:16:05,298 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 15:16:05,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 279 places, 293 transitions, 604 flow [2024-11-13 15:16:05,361 INFO L124 PetriNetUnfolderBase]: 24/327 cut-off events. [2024-11-13 15:16:05,361 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-13 15:16:05,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 327 events. 24/327 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 961 event pairs, 0 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 248. Up to 8 conditions per place. [2024-11-13 15:16:05,364 INFO L82 GeneralOperation]: Start removeDead. Operand has 279 places, 293 transitions, 604 flow [2024-11-13 15:16:05,368 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 279 places, 293 transitions, 604 flow [2024-11-13 15:16:05,370 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:16:05,370 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;@3ac1fd3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:16:05,370 INFO L334 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2024-11-13 15:16:05,376 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:16:05,376 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-13 15:16:05,376 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:16:05,376 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:05,376 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:05,377 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 15:16:05,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:05,377 INFO L85 PathProgramCache]: Analyzing trace with hash -744455517, now seen corresponding path program 1 times [2024-11-13 15:16:05,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:05,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388419184] [2024-11-13 15:16:05,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:05,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:05,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:05,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:05,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388419184] [2024-11-13 15:16:05,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388419184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:05,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:05,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:05,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484181271] [2024-11-13 15:16:05,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:05,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:05,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:05,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:05,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:05,515 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 293 [2024-11-13 15:16:05,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 293 transitions, 604 flow. Second operand has 3 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 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) [2024-11-13 15:16:05,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:05,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 293 [2024-11-13 15:16:05,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:06,447 INFO L124 PetriNetUnfolderBase]: 829/4696 cut-off events. [2024-11-13 15:16:06,448 INFO L125 PetriNetUnfolderBase]: For 319/319 co-relation queries the response was YES. [2024-11-13 15:16:06,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5954 conditions, 4696 events. 829/4696 cut-off events. For 319/319 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 48135 event pairs, 630 based on Foata normal form. 847/4744 useless extension candidates. Maximal degree in co-relation 4863. Up to 1033 conditions per place. [2024-11-13 15:16:06,502 INFO L140 encePairwiseOnDemand]: 278/293 looper letters, 24 selfloop transitions, 2 changer transitions 1/270 dead transitions. [2024-11-13 15:16:06,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 270 transitions, 610 flow [2024-11-13 15:16:06,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:16:06,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:16:06,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 789 transitions. [2024-11-13 15:16:06,505 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8976109215017065 [2024-11-13 15:16:06,505 INFO L175 Difference]: Start difference. First operand has 279 places, 293 transitions, 604 flow. Second operand 3 states and 789 transitions. [2024-11-13 15:16:06,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 270 transitions, 610 flow [2024-11-13 15:16:06,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 270 transitions, 608 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-11-13 15:16:06,512 INFO L231 Difference]: Finished difference. Result has 269 places, 269 transitions, 558 flow [2024-11-13 15:16:06,513 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=556, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=558, PETRI_PLACES=269, PETRI_TRANSITIONS=269} [2024-11-13 15:16:06,515 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -10 predicate places. [2024-11-13 15:16:06,515 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 269 transitions, 558 flow [2024-11-13 15:16:06,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 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) [2024-11-13 15:16:06,515 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:06,515 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:06,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 15:16:06,516 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 15:16:06,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:06,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1633098105, now seen corresponding path program 1 times [2024-11-13 15:16:06,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:06,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895619561] [2024-11-13 15:16:06,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:06,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:06,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:06,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:06,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895619561] [2024-11-13 15:16:06,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895619561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:06,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:06,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:06,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241412860] [2024-11-13 15:16:06,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:06,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:06,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:06,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:06,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:06,635 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 293 [2024-11-13 15:16:06,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 269 transitions, 558 flow. Second operand has 3 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 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) [2024-11-13 15:16:06,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:06,636 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 293 [2024-11-13 15:16:06,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:07,240 INFO L124 PetriNetUnfolderBase]: 335/2604 cut-off events. [2024-11-13 15:16:07,240 INFO L125 PetriNetUnfolderBase]: For 94/94 co-relation queries the response was YES. [2024-11-13 15:16:07,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3087 conditions, 2604 events. 335/2604 cut-off events. For 94/94 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 23469 event pairs, 220 based on Foata normal form. 0/2143 useless extension candidates. Maximal degree in co-relation 3051. Up to 382 conditions per place. [2024-11-13 15:16:07,284 INFO L140 encePairwiseOnDemand]: 290/293 looper letters, 21 selfloop transitions, 2 changer transitions 0/268 dead transitions. [2024-11-13 15:16:07,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 268 transitions, 602 flow [2024-11-13 15:16:07,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:16:07,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:16:07,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 783 transitions. [2024-11-13 15:16:07,288 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8907849829351536 [2024-11-13 15:16:07,288 INFO L175 Difference]: Start difference. First operand has 269 places, 269 transitions, 558 flow. Second operand 3 states and 783 transitions. [2024-11-13 15:16:07,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 268 transitions, 602 flow [2024-11-13 15:16:07,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 268 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:16:07,294 INFO L231 Difference]: Finished difference. Result has 267 places, 268 transitions, 556 flow [2024-11-13 15:16:07,295 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=556, PETRI_PLACES=267, PETRI_TRANSITIONS=268} [2024-11-13 15:16:07,295 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -12 predicate places. [2024-11-13 15:16:07,295 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 268 transitions, 556 flow [2024-11-13 15:16:07,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 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) [2024-11-13 15:16:07,296 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:07,296 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:07,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 15:16:07,297 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 15:16:07,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:07,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1178440268, now seen corresponding path program 1 times [2024-11-13 15:16:07,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:07,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400942917] [2024-11-13 15:16:07,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:07,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:07,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:07,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:07,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400942917] [2024-11-13 15:16:07,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400942917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:07,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:07,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:07,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446522057] [2024-11-13 15:16:07,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:07,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:07,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:07,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:07,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:07,395 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 293 [2024-11-13 15:16:07,396 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 268 transitions, 556 flow. Second operand has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 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) [2024-11-13 15:16:07,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:07,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 293 [2024-11-13 15:16:07,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:08,563 INFO L124 PetriNetUnfolderBase]: 985/6374 cut-off events. [2024-11-13 15:16:08,563 INFO L125 PetriNetUnfolderBase]: For 173/173 co-relation queries the response was YES. [2024-11-13 15:16:08,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7673 conditions, 6374 events. 985/6374 cut-off events. For 173/173 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 69466 event pairs, 630 based on Foata normal form. 0/5362 useless extension candidates. Maximal degree in co-relation 7629. Up to 1120 conditions per place. [2024-11-13 15:16:08,647 INFO L140 encePairwiseOnDemand]: 283/293 looper letters, 27 selfloop transitions, 1 changer transitions 0/259 dead transitions. [2024-11-13 15:16:08,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 259 transitions, 594 flow [2024-11-13 15:16:08,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:16:08,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:16:08,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 760 transitions. [2024-11-13 15:16:08,651 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8646188850967008 [2024-11-13 15:16:08,651 INFO L175 Difference]: Start difference. First operand has 267 places, 268 transitions, 556 flow. Second operand 3 states and 760 transitions. [2024-11-13 15:16:08,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 259 transitions, 594 flow [2024-11-13 15:16:08,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 259 transitions, 590 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:16:08,659 INFO L231 Difference]: Finished difference. Result has 258 places, 259 transitions, 536 flow [2024-11-13 15:16:08,660 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=536, PETRI_PLACES=258, PETRI_TRANSITIONS=259} [2024-11-13 15:16:08,661 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -21 predicate places. [2024-11-13 15:16:08,661 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 259 transitions, 536 flow [2024-11-13 15:16:08,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 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) [2024-11-13 15:16:08,662 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:08,662 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:08,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 15:16:08,662 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 15:16:08,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:08,663 INFO L85 PathProgramCache]: Analyzing trace with hash 568596678, now seen corresponding path program 1 times [2024-11-13 15:16:08,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:08,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545679457] [2024-11-13 15:16:08,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:08,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:08,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:08,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:08,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545679457] [2024-11-13 15:16:08,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545679457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:08,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:08,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:08,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915267197] [2024-11-13 15:16:08,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:08,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:08,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:08,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:08,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:08,757 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 293 [2024-11-13 15:16:08,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 259 transitions, 536 flow. Second operand has 3 states, 3 states have (on average 260.3333333333333) internal successors, (781), 3 states have internal predecessors, (781), 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) [2024-11-13 15:16:08,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:08,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 293 [2024-11-13 15:16:08,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:09,110 INFO L124 PetriNetUnfolderBase]: 190/1774 cut-off events. [2024-11-13 15:16:09,110 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2024-11-13 15:16:09,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2040 conditions, 1774 events. 190/1774 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 13784 event pairs, 108 based on Foata normal form. 0/1493 useless extension candidates. Maximal degree in co-relation 1996. Up to 196 conditions per place. [2024-11-13 15:16:09,129 INFO L140 encePairwiseOnDemand]: 290/293 looper letters, 15 selfloop transitions, 2 changer transitions 0/258 dead transitions. [2024-11-13 15:16:09,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 258 transitions, 568 flow [2024-11-13 15:16:09,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:16:09,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:16:09,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2024-11-13 15:16:09,132 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9044368600682594 [2024-11-13 15:16:09,132 INFO L175 Difference]: Start difference. First operand has 258 places, 259 transitions, 536 flow. Second operand 3 states and 795 transitions. [2024-11-13 15:16:09,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 258 transitions, 568 flow [2024-11-13 15:16:09,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 258 transitions, 567 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:16:09,138 INFO L231 Difference]: Finished difference. Result has 258 places, 258 transitions, 537 flow [2024-11-13 15:16:09,139 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=533, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=537, PETRI_PLACES=258, PETRI_TRANSITIONS=258} [2024-11-13 15:16:09,140 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -21 predicate places. [2024-11-13 15:16:09,140 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 258 transitions, 537 flow [2024-11-13 15:16:09,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 260.3333333333333) internal successors, (781), 3 states have internal predecessors, (781), 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) [2024-11-13 15:16:09,141 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:09,142 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:09,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 15:16:09,142 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 15:16:09,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:09,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1829771382, now seen corresponding path program 1 times [2024-11-13 15:16:09,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:09,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212864293] [2024-11-13 15:16:09,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:09,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:09,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:09,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:09,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212864293] [2024-11-13 15:16:09,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212864293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:09,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:09,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:09,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686571516] [2024-11-13 15:16:09,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:09,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:09,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:09,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:09,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:09,278 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 293 [2024-11-13 15:16:09,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 258 transitions, 537 flow. Second operand has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 3 states have internal predecessors, (719), 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) [2024-11-13 15:16:09,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:09,280 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 293 [2024-11-13 15:16:09,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:12,678 INFO L124 PetriNetUnfolderBase]: 4660/23989 cut-off events. [2024-11-13 15:16:12,678 INFO L125 PetriNetUnfolderBase]: For 466/466 co-relation queries the response was YES. [2024-11-13 15:16:12,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30448 conditions, 23989 events. 4660/23989 cut-off events. For 466/466 co-relation queries the response was YES. Maximal size of possible extension queue 722. Compared 330599 event pairs, 1667 based on Foata normal form. 0/20566 useless extension candidates. Maximal degree in co-relation 30404. Up to 4132 conditions per place. [2024-11-13 15:16:12,883 INFO L140 encePairwiseOnDemand]: 263/293 looper letters, 48 selfloop transitions, 21 changer transitions 0/287 dead transitions. [2024-11-13 15:16:12,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 287 transitions, 743 flow [2024-11-13 15:16:12,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:16:12,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:16:12,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 792 transitions. [2024-11-13 15:16:12,886 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9010238907849829 [2024-11-13 15:16:12,887 INFO L175 Difference]: Start difference. First operand has 258 places, 258 transitions, 537 flow. Second operand 3 states and 792 transitions. [2024-11-13 15:16:12,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 287 transitions, 743 flow [2024-11-13 15:16:12,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 287 transitions, 739 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:16:12,894 INFO L231 Difference]: Finished difference. Result has 260 places, 279 transitions, 719 flow [2024-11-13 15:16:12,894 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=533, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=719, PETRI_PLACES=260, PETRI_TRANSITIONS=279} [2024-11-13 15:16:12,894 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -19 predicate places. [2024-11-13 15:16:12,895 INFO L471 AbstractCegarLoop]: Abstraction has has 260 places, 279 transitions, 719 flow [2024-11-13 15:16:12,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 3 states have internal predecessors, (719), 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) [2024-11-13 15:16:12,896 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:12,897 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 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] [2024-11-13 15:16:12,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 15:16:12,897 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 15:16:12,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:12,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1445313143, now seen corresponding path program 1 times [2024-11-13 15:16:12,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:12,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167262210] [2024-11-13 15:16:12,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:12,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:13,135 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 15:16:13,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:13,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167262210] [2024-11-13 15:16:13,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167262210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:13,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:13,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:16:13,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138293782] [2024-11-13 15:16:13,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:13,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:16:13,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:13,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:16:13,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:16:13,180 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 293 [2024-11-13 15:16:13,182 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 279 transitions, 719 flow. Second operand has 5 states, 5 states have (on average 257.6) internal successors, (1288), 5 states have internal predecessors, (1288), 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) [2024-11-13 15:16:13,182 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:13,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 293 [2024-11-13 15:16:13,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:14,260 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([883] L1041-6-->L1045-2: Formula: (and (= |v_thrThread1of3ForFork0_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#lock~0.base_18| (store (select |v_#pthreadsMutex_18| |v_~#lock~0.base_18|) |v_~#lock~0.offset_18| 0)))) InVars {~#lock~0.base=|v_~#lock~0.base_18|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#lock~0.offset=|v_~#lock~0.offset_18|} OutVars{thrThread1of3ForFork0_#t~ret6#1=|v_thrThread1of3ForFork0_#t~ret6#1_1|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#lock~0.offset=|v_~#lock~0.offset_18|, ~#lock~0.base=|v_~#lock~0.base_18|} AuxVars[] AssignedVars[#pthreadsMutex, thrThread1of3ForFork0_#t~ret6#1][90], [60#L1060-4true, 278#true, 299#true, 294#true, 276#true, 47#$Ultimate##0true, Black: 296#(= |#race~next~0| 0), 134#L1045-2true, 206#L1045-2true, 290#(= |#race~len~0| 0), 280#true]) [2024-11-13 15:16:14,261 INFO L294 olderBase$Statistics]: this new event has 125 ancestors and is cut-off event [2024-11-13 15:16:14,261 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2024-11-13 15:16:14,261 INFO L297 olderBase$Statistics]: existing Event has 125 ancestors and is cut-off event [2024-11-13 15:16:14,261 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2024-11-13 15:16:14,659 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([883] L1041-6-->L1045-2: Formula: (and (= |v_thrThread1of3ForFork0_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#lock~0.base_18| (store (select |v_#pthreadsMutex_18| |v_~#lock~0.base_18|) |v_~#lock~0.offset_18| 0)))) InVars {~#lock~0.base=|v_~#lock~0.base_18|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#lock~0.offset=|v_~#lock~0.offset_18|} OutVars{thrThread1of3ForFork0_#t~ret6#1=|v_thrThread1of3ForFork0_#t~ret6#1_1|, #pthreadsMutex=|v_#pthreadsMutex_17|, ~#lock~0.offset=|v_~#lock~0.offset_18|, ~#lock~0.base=|v_~#lock~0.base_18|} AuxVars[] AssignedVars[#pthreadsMutex, thrThread1of3ForFork0_#t~ret6#1][90], [60#L1060-4true, 278#true, 299#true, 294#true, 276#true, 206#L1045-2true, Black: 296#(= |#race~next~0| 0), 134#L1045-2true, 71#L1040-3true, 290#(= |#race~len~0| 0), 280#true]) [2024-11-13 15:16:14,660 INFO L294 olderBase$Statistics]: this new event has 131 ancestors and is cut-off event [2024-11-13 15:16:14,660 INFO L297 olderBase$Statistics]: existing Event has 131 ancestors and is cut-off event [2024-11-13 15:16:14,660 INFO L297 olderBase$Statistics]: existing Event has 120 ancestors and is cut-off event [2024-11-13 15:16:14,660 INFO L297 olderBase$Statistics]: existing Event has 120 ancestors and is cut-off event [2024-11-13 15:16:15,121 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([953] L1041-6-->L1045-2: Formula: (and (= |v_thrThread3of3ForFork0_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#lock~0.base_18| (store (select |v_#pthreadsMutex_18| |v_~#lock~0.base_18|) |v_~#lock~0.offset_18| 0)))) InVars {~#lock~0.base=|v_~#lock~0.base_18|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#lock~0.offset=|v_~#lock~0.offset_18|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_17|, ~#lock~0.offset=|v_~#lock~0.offset_18|, ~#lock~0.base=|v_~#lock~0.base_18|, thrThread3of3ForFork0_#t~ret6#1=|v_thrThread3of3ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thrThread3of3ForFork0_#t~ret6#1][171], [60#L1060-4true, 278#true, 299#true, 276#true, Black: 294#true, 134#L1045-2true, 290#(= |#race~len~0| 0), 280#true, 296#(= |#race~next~0| 0), 230#L1045-2true, 246#L1043-6true]) [2024-11-13 15:16:15,121 INFO L294 olderBase$Statistics]: this new event has 135 ancestors and is cut-off event [2024-11-13 15:16:15,121 INFO L297 olderBase$Statistics]: existing Event has 124 ancestors and is cut-off event [2024-11-13 15:16:15,122 INFO L297 olderBase$Statistics]: existing Event has 135 ancestors and is cut-off event [2024-11-13 15:16:15,122 INFO L297 olderBase$Statistics]: existing Event has 135 ancestors and is cut-off event [2024-11-13 15:16:15,176 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1023] L1041-6-->L1045-2: Formula: (and (= |v_thrThread2of3ForFork0_#t~ret6#1_1| 0) (= |v_#pthreadsMutex_17| (store |v_#pthreadsMutex_18| |v_~#lock~0.base_18| (store (select |v_#pthreadsMutex_18| |v_~#lock~0.base_18|) |v_~#lock~0.offset_18| 0)))) InVars {~#lock~0.base=|v_~#lock~0.base_18|, #pthreadsMutex=|v_#pthreadsMutex_18|, ~#lock~0.offset=|v_~#lock~0.offset_18|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_17|, ~#lock~0.offset=|v_~#lock~0.offset_18|, ~#lock~0.base=|v_~#lock~0.base_18|, thrThread2of3ForFork0_#t~ret6#1=|v_thrThread2of3ForFork0_#t~ret6#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thrThread2of3ForFork0_#t~ret6#1][124], [60#L1060-4true, 278#true, 299#true, 294#true, 276#true, Black: 296#(= |#race~next~0| 0), 206#L1045-2true, 134#L1045-2true, 290#(= |#race~len~0| 0), 280#true, 230#L1045-2true]) [2024-11-13 15:16:15,177 INFO L294 olderBase$Statistics]: this new event has 138 ancestors and is cut-off event [2024-11-13 15:16:15,177 INFO L297 olderBase$Statistics]: existing Event has 127 ancestors and is cut-off event [2024-11-13 15:16:15,177 INFO L297 olderBase$Statistics]: existing Event has 127 ancestors and is cut-off event [2024-11-13 15:16:15,177 INFO L297 olderBase$Statistics]: existing Event has 127 ancestors and is cut-off event [2024-11-13 15:16:15,714 INFO L124 PetriNetUnfolderBase]: 2516/17392 cut-off events. [2024-11-13 15:16:15,715 INFO L125 PetriNetUnfolderBase]: For 565/565 co-relation queries the response was YES. [2024-11-13 15:16:15,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21913 conditions, 17392 events. 2516/17392 cut-off events. For 565/565 co-relation queries the response was YES. Maximal size of possible extension queue 529. Compared 237339 event pairs, 1056 based on Foata normal form. 1/15071 useless extension candidates. Maximal degree in co-relation 21868. Up to 2203 conditions per place. [2024-11-13 15:16:15,849 INFO L140 encePairwiseOnDemand]: 289/293 looper letters, 20 selfloop transitions, 0 changer transitions 4/282 dead transitions. [2024-11-13 15:16:15,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 282 transitions, 773 flow [2024-11-13 15:16:15,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:16:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 15:16:15,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1300 transitions. [2024-11-13 15:16:15,853 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8873720136518771 [2024-11-13 15:16:15,853 INFO L175 Difference]: Start difference. First operand has 260 places, 279 transitions, 719 flow. Second operand 5 states and 1300 transitions. [2024-11-13 15:16:15,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 282 transitions, 773 flow [2024-11-13 15:16:15,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 282 transitions, 731 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:16:15,885 INFO L231 Difference]: Finished difference. Result has 265 places, 278 transitions, 681 flow [2024-11-13 15:16:15,886 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=681, PETRI_PLACES=265, PETRI_TRANSITIONS=278} [2024-11-13 15:16:15,886 INFO L277 CegarLoopForPetriNet]: 279 programPoint places, -14 predicate places. [2024-11-13 15:16:15,886 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 278 transitions, 681 flow [2024-11-13 15:16:15,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 257.6) internal successors, (1288), 5 states have internal predecessors, (1288), 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) [2024-11-13 15:16:15,887 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:15,887 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 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] [2024-11-13 15:16:15,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 15:16:15,887 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-13 15:16:15,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:15,888 INFO L85 PathProgramCache]: Analyzing trace with hash -100549195, now seen corresponding path program 1 times [2024-11-13 15:16:15,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:15,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766297940] [2024-11-13 15:16:15,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:15,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:16:15,912 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:16:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:16:15,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:16:15,944 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:16:15,944 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 39 remaining) [2024-11-13 15:16:15,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining) [2024-11-13 15:16:15,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining) [2024-11-13 15:16:15,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining) [2024-11-13 15:16:15,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining) [2024-11-13 15:16:15,944 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining) [2024-11-13 15:16:15,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining) [2024-11-13 15:16:15,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining) [2024-11-13 15:16:15,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining) [2024-11-13 15:16:15,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining) [2024-11-13 15:16:15,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (28 of 39 remaining) [2024-11-13 15:16:15,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining) [2024-11-13 15:16:15,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining) [2024-11-13 15:16:15,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining) [2024-11-13 15:16:15,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining) [2024-11-13 15:16:15,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining) [2024-11-13 15:16:15,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining) [2024-11-13 15:16:15,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (21 of 39 remaining) [2024-11-13 15:16:15,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (20 of 39 remaining) [2024-11-13 15:16:15,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (19 of 39 remaining) [2024-11-13 15:16:15,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (18 of 39 remaining) [2024-11-13 15:16:15,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining) [2024-11-13 15:16:15,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (16 of 39 remaining) [2024-11-13 15:16:15,945 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (15 of 39 remaining) [2024-11-13 15:16:15,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (14 of 39 remaining) [2024-11-13 15:16:15,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining) [2024-11-13 15:16:15,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining) [2024-11-13 15:16:15,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining) [2024-11-13 15:16:15,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining) [2024-11-13 15:16:15,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining) [2024-11-13 15:16:15,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining) [2024-11-13 15:16:15,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining) [2024-11-13 15:16:15,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining) [2024-11-13 15:16:15,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining) [2024-11-13 15:16:15,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining) [2024-11-13 15:16:15,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining) [2024-11-13 15:16:15,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining) [2024-11-13 15:16:15,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining) [2024-11-13 15:16:15,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (0 of 39 remaining) [2024-11-13 15:16:15,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 15:16:15,947 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:15,949 WARN L247 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 15:16:15,949 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-13 15:16:16,015 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 15:16:16,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 346 places, 364 transitions, 756 flow [2024-11-13 15:16:16,087 INFO L124 PetriNetUnfolderBase]: 31/410 cut-off events. [2024-11-13 15:16:16,087 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-13 15:16:16,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 410 events. 31/410 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1412 event pairs, 0 based on Foata normal form. 0/336 useless extension candidates. Maximal degree in co-relation 335. Up to 10 conditions per place. [2024-11-13 15:16:16,091 INFO L82 GeneralOperation]: Start removeDead. Operand has 346 places, 364 transitions, 756 flow [2024-11-13 15:16:16,096 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 346 places, 364 transitions, 756 flow [2024-11-13 15:16:16,099 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:16:16,100 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;@3ac1fd3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:16:16,100 INFO L334 AbstractCegarLoop]: Starting to check reachability of 47 error locations. [2024-11-13 15:16:16,102 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:16:16,102 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-13 15:16:16,103 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:16:16,103 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:16,103 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:16,103 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-13 15:16:16,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:16,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1760530979, now seen corresponding path program 1 times [2024-11-13 15:16:16,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:16,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121835157] [2024-11-13 15:16:16,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:16,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:16,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:16,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:16,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121835157] [2024-11-13 15:16:16,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121835157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:16,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:16,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:16,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031841666] [2024-11-13 15:16:16,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:16,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:16,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:16,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:16,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:16,243 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 364 [2024-11-13 15:16:16,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 364 transitions, 756 flow. Second operand has 3 states, 3 states have (on average 311.3333333333333) internal successors, (934), 3 states have internal predecessors, (934), 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) [2024-11-13 15:16:16,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:16,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 364 [2024-11-13 15:16:16,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:21,693 INFO L124 PetriNetUnfolderBase]: 8203/34882 cut-off events. [2024-11-13 15:16:21,693 INFO L125 PetriNetUnfolderBase]: For 3752/3752 co-relation queries the response was YES. [2024-11-13 15:16:21,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46431 conditions, 34882 events. 8203/34882 cut-off events. For 3752/3752 co-relation queries the response was YES. Maximal size of possible extension queue 1135. Compared 484805 event pairs, 6804 based on Foata normal form. 7100/36383 useless extension candidates. Maximal degree in co-relation 38090. Up to 9608 conditions per place. [2024-11-13 15:16:22,207 INFO L140 encePairwiseOnDemand]: 346/364 looper letters, 31 selfloop transitions, 2 changer transitions 1/336 dead transitions. [2024-11-13 15:16:22,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 336 transitions, 766 flow [2024-11-13 15:16:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:16:22,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:16:22,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 979 transitions. [2024-11-13 15:16:22,211 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8965201465201466 [2024-11-13 15:16:22,211 INFO L175 Difference]: Start difference. First operand has 346 places, 364 transitions, 756 flow. Second operand 3 states and 979 transitions. [2024-11-13 15:16:22,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 336 transitions, 766 flow [2024-11-13 15:16:22,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 336 transitions, 760 flow, removed 3 selfloop flow, removed 0 redundant places. [2024-11-13 15:16:22,221 INFO L231 Difference]: Finished difference. Result has 334 places, 335 transitions, 696 flow [2024-11-13 15:16:22,221 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=696, PETRI_PLACES=334, PETRI_TRANSITIONS=335} [2024-11-13 15:16:22,222 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -12 predicate places. [2024-11-13 15:16:22,222 INFO L471 AbstractCegarLoop]: Abstraction has has 334 places, 335 transitions, 696 flow [2024-11-13 15:16:22,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 311.3333333333333) internal successors, (934), 3 states have internal predecessors, (934), 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) [2024-11-13 15:16:22,223 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:22,223 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:22,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 15:16:22,223 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-13 15:16:22,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:22,224 INFO L85 PathProgramCache]: Analyzing trace with hash -527154459, now seen corresponding path program 1 times [2024-11-13 15:16:22,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:22,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868261682] [2024-11-13 15:16:22,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:22,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:22,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:22,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:22,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868261682] [2024-11-13 15:16:22,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868261682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:22,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:22,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:22,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354134520] [2024-11-13 15:16:22,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:22,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:22,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:22,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:22,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:22,331 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 364 [2024-11-13 15:16:22,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 335 transitions, 696 flow. Second operand has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 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) [2024-11-13 15:16:22,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:22,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 364 [2024-11-13 15:16:22,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:24,498 INFO L124 PetriNetUnfolderBase]: 2303/13476 cut-off events. [2024-11-13 15:16:24,499 INFO L125 PetriNetUnfolderBase]: For 472/472 co-relation queries the response was YES. [2024-11-13 15:16:24,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16460 conditions, 13476 events. 2303/13476 cut-off events. For 472/472 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 168814 event pairs, 1720 based on Foata normal form. 0/11143 useless extension candidates. Maximal degree in co-relation 16423. Up to 2507 conditions per place. [2024-11-13 15:16:24,666 INFO L140 encePairwiseOnDemand]: 361/364 looper letters, 26 selfloop transitions, 2 changer transitions 0/334 dead transitions. [2024-11-13 15:16:24,666 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 334 transitions, 750 flow [2024-11-13 15:16:24,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:16:24,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:16:24,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 974 transitions. [2024-11-13 15:16:24,669 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.891941391941392 [2024-11-13 15:16:24,669 INFO L175 Difference]: Start difference. First operand has 334 places, 335 transitions, 696 flow. Second operand 3 states and 974 transitions. [2024-11-13 15:16:24,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 334 transitions, 750 flow [2024-11-13 15:16:24,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 334 transitions, 746 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:16:24,675 INFO L231 Difference]: Finished difference. Result has 332 places, 334 transitions, 694 flow [2024-11-13 15:16:24,675 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=694, PETRI_PLACES=332, PETRI_TRANSITIONS=334} [2024-11-13 15:16:24,676 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -14 predicate places. [2024-11-13 15:16:24,676 INFO L471 AbstractCegarLoop]: Abstraction has has 332 places, 334 transitions, 694 flow [2024-11-13 15:16:24,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 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) [2024-11-13 15:16:24,677 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:24,677 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:24,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 15:16:24,677 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-13 15:16:24,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:24,678 INFO L85 PathProgramCache]: Analyzing trace with hash 660283576, now seen corresponding path program 1 times [2024-11-13 15:16:24,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:24,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788420068] [2024-11-13 15:16:24,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:24,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:24,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:24,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:24,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788420068] [2024-11-13 15:16:24,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788420068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:24,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:24,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:24,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072937418] [2024-11-13 15:16:24,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:24,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:24,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:24,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:24,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:24,759 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 364 [2024-11-13 15:16:24,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 334 transitions, 694 flow. Second operand has 3 states, 3 states have (on average 300.0) internal successors, (900), 3 states have internal predecessors, (900), 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) [2024-11-13 15:16:24,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:24,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 364 [2024-11-13 15:16:24,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:32,246 INFO L124 PetriNetUnfolderBase]: 9683/48121 cut-off events. [2024-11-13 15:16:32,247 INFO L125 PetriNetUnfolderBase]: For 1205/1205 co-relation queries the response was YES. [2024-11-13 15:16:32,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59886 conditions, 48121 events. 9683/48121 cut-off events. For 1205/1205 co-relation queries the response was YES. Maximal size of possible extension queue 1245. Compared 715492 event pairs, 6804 based on Foata normal form. 0/40529 useless extension candidates. Maximal degree in co-relation 59841. Up to 10556 conditions per place. [2024-11-13 15:16:32,856 INFO L140 encePairwiseOnDemand]: 352/364 looper letters, 34 selfloop transitions, 1 changer transitions 0/323 dead transitions. [2024-11-13 15:16:32,856 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 323 transitions, 742 flow [2024-11-13 15:16:32,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:16:32,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:16:32,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 943 transitions. [2024-11-13 15:16:32,859 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8635531135531136 [2024-11-13 15:16:32,859 INFO L175 Difference]: Start difference. First operand has 332 places, 334 transitions, 694 flow. Second operand 3 states and 943 transitions. [2024-11-13 15:16:32,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 323 transitions, 742 flow [2024-11-13 15:16:32,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 323 transitions, 738 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:16:32,863 INFO L231 Difference]: Finished difference. Result has 321 places, 323 transitions, 670 flow [2024-11-13 15:16:32,864 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=668, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=670, PETRI_PLACES=321, PETRI_TRANSITIONS=323} [2024-11-13 15:16:32,864 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -25 predicate places. [2024-11-13 15:16:32,864 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 323 transitions, 670 flow [2024-11-13 15:16:32,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.0) internal successors, (900), 3 states have internal predecessors, (900), 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) [2024-11-13 15:16:32,865 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:32,865 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:32,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 15:16:32,865 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-13 15:16:32,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:32,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1874475826, now seen corresponding path program 1 times [2024-11-13 15:16:32,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:32,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398048269] [2024-11-13 15:16:32,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:32,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:32,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:32,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:32,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398048269] [2024-11-13 15:16:32,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398048269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:32,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:32,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:32,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588502800] [2024-11-13 15:16:32,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:32,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:32,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:32,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:32,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:32,937 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 364 [2024-11-13 15:16:32,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 323 transitions, 670 flow. Second operand has 3 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 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) [2024-11-13 15:16:32,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:32,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 364 [2024-11-13 15:16:32,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:16:34,068 INFO L124 PetriNetUnfolderBase]: 1021/7292 cut-off events. [2024-11-13 15:16:34,068 INFO L125 PetriNetUnfolderBase]: For 259/259 co-relation queries the response was YES. [2024-11-13 15:16:34,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8583 conditions, 7292 events. 1021/7292 cut-off events. For 259/259 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 80023 event pairs, 684 based on Foata normal form. 0/6131 useless extension candidates. Maximal degree in co-relation 8538. Up to 1028 conditions per place. [2024-11-13 15:16:34,134 INFO L140 encePairwiseOnDemand]: 361/364 looper letters, 19 selfloop transitions, 2 changer transitions 0/322 dead transitions. [2024-11-13 15:16:34,134 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 322 transitions, 710 flow [2024-11-13 15:16:34,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:16:34,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:16:34,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 988 transitions. [2024-11-13 15:16:34,137 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9047619047619048 [2024-11-13 15:16:34,137 INFO L175 Difference]: Start difference. First operand has 321 places, 323 transitions, 670 flow. Second operand 3 states and 988 transitions. [2024-11-13 15:16:34,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 322 transitions, 710 flow [2024-11-13 15:16:34,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 322 transitions, 709 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:16:34,142 INFO L231 Difference]: Finished difference. Result has 321 places, 322 transitions, 671 flow [2024-11-13 15:16:34,143 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=667, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=671, PETRI_PLACES=321, PETRI_TRANSITIONS=322} [2024-11-13 15:16:34,143 INFO L277 CegarLoopForPetriNet]: 346 programPoint places, -25 predicate places. [2024-11-13 15:16:34,143 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 322 transitions, 671 flow [2024-11-13 15:16:34,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 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) [2024-11-13 15:16:34,144 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:16:34,144 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:16:34,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 15:16:34,144 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-11-13 15:16:34,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:16:34,146 INFO L85 PathProgramCache]: Analyzing trace with hash -571765648, now seen corresponding path program 1 times [2024-11-13 15:16:34,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:16:34,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583451252] [2024-11-13 15:16:34,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:16:34,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:16:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:16:34,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:16:34,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:16:34,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583451252] [2024-11-13 15:16:34,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583451252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:16:34,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:16:34,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:16:34,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591400564] [2024-11-13 15:16:34,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:16:34,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:16:34,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:16:34,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:16:34,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:16:34,270 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 364 [2024-11-13 15:16:34,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 322 transitions, 671 flow. Second operand has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 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) [2024-11-13 15:16:34,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:16:34,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 364 [2024-11-13 15:16:34,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand