./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/twostage_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729ef06b-d482-4662-a0c0-1ec499fc0cda/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729ef06b-d482-4662-a0c0-1ec499fc0cda/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729ef06b-d482-4662-a0c0-1ec499fc0cda/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729ef06b-d482-4662-a0c0-1ec499fc0cda/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729ef06b-d482-4662-a0c0-1ec499fc0cda/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729ef06b-d482-4662-a0c0-1ec499fc0cda/bin/uautomizer-verify-aQ6SnzHsRB --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 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:29:00,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:29:00,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729ef06b-d482-4662-a0c0-1ec499fc0cda/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 23:29:00,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:29:00,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:29:00,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:29:00,659 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:29:00,659 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:29:00,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:29:00,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:29:00,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:29:00,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:29:00,663 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:29:00,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:29:00,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:29:00,664 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:29:00,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:29:00,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:29:00,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:29:00,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:29:00,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:29:00,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:29:00,665 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 23:29:00,665 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:29:00,665 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:29:00,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:29:00,665 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:29:00,665 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:29:00,666 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:29:00,666 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:29:00,666 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:29:00,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:29:00,666 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:29:00,666 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:29:00,666 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:29:00,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:29:00,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:29:00,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:29:00,667 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:29:00,667 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:29:00,667 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:29:00,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:29:00,667 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:29:00,667 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:29:00,667 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:29:00,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:29:00,668 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_729ef06b-d482-4662-a0c0-1ec499fc0cda/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 [2024-11-27 23:29:01,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:29:01,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:29:01,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:29:01,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:29:01,083 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:29:01,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729ef06b-d482-4662-a0c0-1ec499fc0cda/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread/twostage_3.i [2024-11-27 23:29:04,241 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729ef06b-d482-4662-a0c0-1ec499fc0cda/bin/uautomizer-verify-aQ6SnzHsRB/data/bfb378430/c996b27d152d447fa51f7574e1e0c034/FLAGc44248129 [2024-11-27 23:29:04,639 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:29:04,644 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729ef06b-d482-4662-a0c0-1ec499fc0cda/sv-benchmarks/c/pthread/twostage_3.i [2024-11-27 23:29:04,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729ef06b-d482-4662-a0c0-1ec499fc0cda/bin/uautomizer-verify-aQ6SnzHsRB/data/bfb378430/c996b27d152d447fa51f7574e1e0c034/FLAGc44248129 [2024-11-27 23:29:04,804 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729ef06b-d482-4662-a0c0-1ec499fc0cda/bin/uautomizer-verify-aQ6SnzHsRB/data/bfb378430/c996b27d152d447fa51f7574e1e0c034 [2024-11-27 23:29:04,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:29:04,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:29:04,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:29:04,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:29:04,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:29:04,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:29:04" (1/1) ... [2024-11-27 23:29:04,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af43ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:04, skipping insertion in model container [2024-11-27 23:29:04,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:29:04" (1/1) ... [2024-11-27 23:29:04,858 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:29:05,561 WARN L1675 CHandler]: Possible shadowing of function lock [2024-11-27 23:29:05,566 WARN L1675 CHandler]: Possible shadowing of function lock [2024-11-27 23:29:05,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:29:05,579 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:29:05,676 WARN L1675 CHandler]: Possible shadowing of function lock [2024-11-27 23:29:05,677 WARN L1675 CHandler]: Possible shadowing of function lock [2024-11-27 23:29:05,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:29:05,780 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:29:05,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:05 WrapperNode [2024-11-27 23:29:05,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:29:05,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:29:05,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:29:05,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:29:05,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:05" (1/1) ... [2024-11-27 23:29:05,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:05" (1/1) ... [2024-11-27 23:29:05,842 INFO L138 Inliner]: procedures = 373, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 272 [2024-11-27 23:29:05,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:29:05,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:29:05,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:29:05,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:29:05,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:05" (1/1) ... [2024-11-27 23:29:05,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:05" (1/1) ... [2024-11-27 23:29:05,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:05" (1/1) ... [2024-11-27 23:29:05,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:05" (1/1) ... [2024-11-27 23:29:05,871 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:05" (1/1) ... [2024-11-27 23:29:05,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:05" (1/1) ... [2024-11-27 23:29:05,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:05" (1/1) ... [2024-11-27 23:29:05,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:05" (1/1) ... [2024-11-27 23:29:05,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:05" (1/1) ... [2024-11-27 23:29:05,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:29:05,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:29:05,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:29:05,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:29:05,900 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:05" (1/1) ... [2024-11-27 23:29:05,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:29:05,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729ef06b-d482-4662-a0c0-1ec499fc0cda/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:29:05,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729ef06b-d482-4662-a0c0-1ec499fc0cda/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:29:05,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729ef06b-d482-4662-a0c0-1ec499fc0cda/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:29:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure funcA [2024-11-27 23:29:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure funcA [2024-11-27 23:29:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure funcB [2024-11-27 23:29:05,975 INFO L138 BoogieDeclarations]: Found implementation of procedure funcB [2024-11-27 23:29:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 23:29:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 23:29:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-27 23:29:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 23:29:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 23:29:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-27 23:29:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 23:29:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:29:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 23:29:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:29:05,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:29:05,979 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 23:29:06,137 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:29:06,139 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:29:06,834 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 23:29:06,835 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:29:06,873 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:29:06,874 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 23:29:06,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:29:06 BoogieIcfgContainer [2024-11-27 23:29:06,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:29:06,877 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:29:06,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:29:06,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:29:06,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:29:04" (1/3) ... [2024-11-27 23:29:06,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5856dd22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:29:06, skipping insertion in model container [2024-11-27 23:29:06,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:29:05" (2/3) ... [2024-11-27 23:29:06,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5856dd22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:29:06, skipping insertion in model container [2024-11-27 23:29:06,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:29:06" (3/3) ... [2024-11-27 23:29:06,886 INFO L128 eAbstractionObserver]: Analyzing ICFG twostage_3.i [2024-11-27 23:29:06,905 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:29:06,906 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG twostage_3.i that has 3 procedures, 347 locations, 1 initial locations, 4 loop locations, and 45 error locations. [2024-11-27 23:29:06,906 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 23:29:07,016 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-27 23:29:07,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 353 places, 369 transitions, 758 flow [2024-11-27 23:29:07,412 INFO L124 PetriNetUnfolderBase]: 43/682 cut-off events. [2024-11-27 23:29:07,415 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-27 23:29:07,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 699 conditions, 682 events. 43/682 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2948 event pairs, 0 based on Foata normal form. 0/554 useless extension candidates. Maximal degree in co-relation 354. Up to 8 conditions per place. [2024-11-27 23:29:07,437 INFO L82 GeneralOperation]: Start removeDead. Operand has 353 places, 369 transitions, 758 flow [2024-11-27 23:29:07,450 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 353 places, 369 transitions, 758 flow [2024-11-27 23:29:07,459 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:29:07,473 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;@79423df9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:29:07,473 INFO L334 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2024-11-27 23:29:07,484 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 23:29:07,485 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-27 23:29:07,485 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:29:07,485 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:29:07,486 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:07,486 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-27 23:29:07,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:07,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1525645977, now seen corresponding path program 1 times [2024-11-27 23:29:07,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:07,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99846454] [2024-11-27 23:29:07,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:07,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:07,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:29:07,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:07,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99846454] [2024-11-27 23:29:07,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99846454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:07,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:07,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:29:07,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971746408] [2024-11-27 23:29:07,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:07,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:29:07,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:07,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:29:07,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:29:07,923 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 369 [2024-11-27 23:29:07,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 369 transitions, 758 flow. Second operand has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 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) [2024-11-27 23:29:07,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:29:07,929 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 369 [2024-11-27 23:29:07,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:29:08,921 INFO L124 PetriNetUnfolderBase]: 271/2560 cut-off events. [2024-11-27 23:29:08,921 INFO L125 PetriNetUnfolderBase]: For 102/102 co-relation queries the response was YES. [2024-11-27 23:29:08,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3072 conditions, 2560 events. 271/2560 cut-off events. For 102/102 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 20175 event pairs, 234 based on Foata normal form. 246/2367 useless extension candidates. Maximal degree in co-relation 2414. Up to 458 conditions per place. [2024-11-27 23:29:08,966 INFO L140 encePairwiseOnDemand]: 350/369 looper letters, 25 selfloop transitions, 1 changer transitions 8/349 dead transitions. [2024-11-27 23:29:08,967 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 349 transitions, 770 flow [2024-11-27 23:29:08,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:29:08,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:29:08,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1016 transitions. [2024-11-27 23:29:09,000 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9177958446251129 [2024-11-27 23:29:09,002 INFO L175 Difference]: Start difference. First operand has 353 places, 369 transitions, 758 flow. Second operand 3 states and 1016 transitions. [2024-11-27 23:29:09,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 349 transitions, 770 flow [2024-11-27 23:29:09,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 349 transitions, 770 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 23:29:09,029 INFO L231 Difference]: Finished difference. Result has 349 places, 341 transitions, 704 flow [2024-11-27 23:29:09,032 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=349, PETRI_TRANSITIONS=341} [2024-11-27 23:29:09,037 INFO L279 CegarLoopForPetriNet]: 353 programPoint places, -4 predicate places. [2024-11-27 23:29:09,037 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 341 transitions, 704 flow [2024-11-27 23:29:09,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 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) [2024-11-27 23:29:09,038 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:29:09,038 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:09,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:29:09,039 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-27 23:29:09,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:09,040 INFO L85 PathProgramCache]: Analyzing trace with hash 50514787, now seen corresponding path program 1 times [2024-11-27 23:29:09,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:09,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745372792] [2024-11-27 23:29:09,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:09,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:09,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:29:09,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:09,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745372792] [2024-11-27 23:29:09,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745372792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:09,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:09,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:29:09,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745045056] [2024-11-27 23:29:09,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:09,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:29:09,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:09,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:29:09,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:29:09,270 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 369 [2024-11-27 23:29:09,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 341 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 334.6666666666667) internal successors, (1004), 3 states have internal predecessors, (1004), 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) [2024-11-27 23:29:09,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:29:09,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 369 [2024-11-27 23:29:09,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:29:10,309 INFO L124 PetriNetUnfolderBase]: 152/2660 cut-off events. [2024-11-27 23:29:10,309 INFO L125 PetriNetUnfolderBase]: For 210/266 co-relation queries the response was YES. [2024-11-27 23:29:10,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3059 conditions, 2660 events. 152/2660 cut-off events. For 210/266 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 20667 event pairs, 116 based on Foata normal form. 0/2231 useless extension candidates. Maximal degree in co-relation 1499. Up to 147 conditions per place. [2024-11-27 23:29:10,339 INFO L140 encePairwiseOnDemand]: 367/369 looper letters, 35 selfloop transitions, 1 changer transitions 0/357 dead transitions. [2024-11-27 23:29:10,339 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 357 transitions, 826 flow [2024-11-27 23:29:10,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:29:10,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:29:10,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1039 transitions. [2024-11-27 23:29:10,343 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.938572719060524 [2024-11-27 23:29:10,343 INFO L175 Difference]: Start difference. First operand has 349 places, 341 transitions, 704 flow. Second operand 3 states and 1039 transitions. [2024-11-27 23:29:10,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 357 transitions, 826 flow [2024-11-27 23:29:10,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 357 transitions, 825 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:29:10,352 INFO L231 Difference]: Finished difference. Result has 341 places, 340 transitions, 703 flow [2024-11-27 23:29:10,353 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=701, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=703, PETRI_PLACES=341, PETRI_TRANSITIONS=340} [2024-11-27 23:29:10,354 INFO L279 CegarLoopForPetriNet]: 353 programPoint places, -12 predicate places. [2024-11-27 23:29:10,354 INFO L471 AbstractCegarLoop]: Abstraction has has 341 places, 340 transitions, 703 flow [2024-11-27 23:29:10,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.6666666666667) internal successors, (1004), 3 states have internal predecessors, (1004), 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) [2024-11-27 23:29:10,355 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:29:10,355 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:10,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:29:10,356 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-27 23:29:10,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:10,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1565922164, now seen corresponding path program 1 times [2024-11-27 23:29:10,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:10,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302707029] [2024-11-27 23:29:10,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:10,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:10,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:29:10,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:10,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302707029] [2024-11-27 23:29:10,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302707029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:10,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:10,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:29:10,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892505840] [2024-11-27 23:29:10,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:10,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:29:10,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:10,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:29:10,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:29:10,509 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 369 [2024-11-27 23:29:10,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 340 transitions, 703 flow. Second operand has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 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) [2024-11-27 23:29:10,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:29:10,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 369 [2024-11-27 23:29:10,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:29:11,369 INFO L124 PetriNetUnfolderBase]: 728/3855 cut-off events. [2024-11-27 23:29:11,369 INFO L125 PetriNetUnfolderBase]: For 234/290 co-relation queries the response was YES. [2024-11-27 23:29:11,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5294 conditions, 3855 events. 728/3855 cut-off events. For 234/290 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 32500 event pairs, 156 based on Foata normal form. 5/3415 useless extension candidates. Maximal degree in co-relation 2644. Up to 1033 conditions per place. [2024-11-27 23:29:11,415 INFO L140 encePairwiseOnDemand]: 353/369 looper letters, 37 selfloop transitions, 5 changer transitions 11/349 dead transitions. [2024-11-27 23:29:11,416 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 349 transitions, 821 flow [2024-11-27 23:29:11,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:29:11,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:29:11,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 994 transitions. [2024-11-27 23:29:11,419 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8979223125564589 [2024-11-27 23:29:11,419 INFO L175 Difference]: Start difference. First operand has 341 places, 340 transitions, 703 flow. Second operand 3 states and 994 transitions. [2024-11-27 23:29:11,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 349 transitions, 821 flow [2024-11-27 23:29:11,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 349 transitions, 820 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:29:11,431 INFO L231 Difference]: Finished difference. Result has 335 places, 325 transitions, 691 flow [2024-11-27 23:29:11,431 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=686, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=691, PETRI_PLACES=335, PETRI_TRANSITIONS=325} [2024-11-27 23:29:11,433 INFO L279 CegarLoopForPetriNet]: 353 programPoint places, -18 predicate places. [2024-11-27 23:29:11,433 INFO L471 AbstractCegarLoop]: Abstraction has has 335 places, 325 transitions, 691 flow [2024-11-27 23:29:11,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 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) [2024-11-27 23:29:11,434 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:29:11,434 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:11,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:29:11,434 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-27 23:29:11,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:11,436 INFO L85 PathProgramCache]: Analyzing trace with hash 2098355893, now seen corresponding path program 1 times [2024-11-27 23:29:11,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:11,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006478075] [2024-11-27 23:29:11,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:11,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:11,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:29:11,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:11,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006478075] [2024-11-27 23:29:11,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006478075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:11,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:11,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:29:11,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231278418] [2024-11-27 23:29:11,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:11,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:29:11,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:11,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:29:11,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:29:11,567 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 369 [2024-11-27 23:29:11,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 325 transitions, 691 flow. Second operand has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 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) [2024-11-27 23:29:11,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:29:11,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 369 [2024-11-27 23:29:11,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:29:12,887 INFO L124 PetriNetUnfolderBase]: 892/6890 cut-off events. [2024-11-27 23:29:12,888 INFO L125 PetriNetUnfolderBase]: For 204/204 co-relation queries the response was YES. [2024-11-27 23:29:12,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8651 conditions, 6890 events. 892/6890 cut-off events. For 204/204 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 69733 event pairs, 772 based on Foata normal form. 0/5806 useless extension candidates. Maximal degree in co-relation 7876. Up to 1414 conditions per place. [2024-11-27 23:29:12,958 INFO L140 encePairwiseOnDemand]: 363/369 looper letters, 25 selfloop transitions, 2 changer transitions 0/322 dead transitions. [2024-11-27 23:29:12,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 322 transitions, 739 flow [2024-11-27 23:29:12,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:29:12,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:29:12,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1003 transitions. [2024-11-27 23:29:12,963 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9060523938572719 [2024-11-27 23:29:12,963 INFO L175 Difference]: Start difference. First operand has 335 places, 325 transitions, 691 flow. Second operand 3 states and 1003 transitions. [2024-11-27 23:29:12,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 322 transitions, 739 flow [2024-11-27 23:29:12,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 322 transitions, 739 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 23:29:12,973 INFO L231 Difference]: Finished difference. Result has 325 places, 322 transitions, 693 flow [2024-11-27 23:29:12,975 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=683, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=693, PETRI_PLACES=325, PETRI_TRANSITIONS=322} [2024-11-27 23:29:12,977 INFO L279 CegarLoopForPetriNet]: 353 programPoint places, -28 predicate places. [2024-11-27 23:29:12,978 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 322 transitions, 693 flow [2024-11-27 23:29:12,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 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) [2024-11-27 23:29:12,979 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:29:12,979 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:12,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:29:12,979 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-27 23:29:12,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:12,982 INFO L85 PathProgramCache]: Analyzing trace with hash -865659488, now seen corresponding path program 1 times [2024-11-27 23:29:12,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:12,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282985051] [2024-11-27 23:29:12,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:12,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:13,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:29:13,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:13,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282985051] [2024-11-27 23:29:13,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282985051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:13,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:13,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:29:13,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160742888] [2024-11-27 23:29:13,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:13,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:29:13,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:13,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:29:13,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:29:13,115 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 369 [2024-11-27 23:29:13,116 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 322 transitions, 693 flow. Second operand has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 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) [2024-11-27 23:29:13,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:29:13,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 369 [2024-11-27 23:29:13,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:29:14,238 INFO L124 PetriNetUnfolderBase]: 544/4903 cut-off events. [2024-11-27 23:29:14,238 INFO L125 PetriNetUnfolderBase]: For 204/204 co-relation queries the response was YES. [2024-11-27 23:29:14,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6099 conditions, 4903 events. 544/4903 cut-off events. For 204/204 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 47274 event pairs, 456 based on Foata normal form. 0/4156 useless extension candidates. Maximal degree in co-relation 5547. Up to 902 conditions per place. [2024-11-27 23:29:14,286 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 25 selfloop transitions, 2 changer transitions 0/321 dead transitions. [2024-11-27 23:29:14,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 321 transitions, 745 flow [2024-11-27 23:29:14,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:29:14,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:29:14,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1006 transitions. [2024-11-27 23:29:14,289 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9087624209575429 [2024-11-27 23:29:14,290 INFO L175 Difference]: Start difference. First operand has 325 places, 322 transitions, 693 flow. Second operand 3 states and 1006 transitions. [2024-11-27 23:29:14,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 321 transitions, 745 flow [2024-11-27 23:29:14,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 321 transitions, 745 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 23:29:14,298 INFO L231 Difference]: Finished difference. Result has 326 places, 321 transitions, 695 flow [2024-11-27 23:29:14,298 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=691, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=695, PETRI_PLACES=326, PETRI_TRANSITIONS=321} [2024-11-27 23:29:14,299 INFO L279 CegarLoopForPetriNet]: 353 programPoint places, -27 predicate places. [2024-11-27 23:29:14,299 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 321 transitions, 695 flow [2024-11-27 23:29:14,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 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) [2024-11-27 23:29:14,300 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:29:14,300 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:14,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:29:14,301 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-27 23:29:14,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:14,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1565292849, now seen corresponding path program 1 times [2024-11-27 23:29:14,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:14,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150250096] [2024-11-27 23:29:14,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:14,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:14,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:29:14,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:14,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150250096] [2024-11-27 23:29:14,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150250096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:14,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:14,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:29:14,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185838759] [2024-11-27 23:29:14,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:14,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:29:14,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:14,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:29:14,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:29:14,405 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 369 [2024-11-27 23:29:14,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 321 transitions, 695 flow. Second operand has 3 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 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) [2024-11-27 23:29:14,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:29:14,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 369 [2024-11-27 23:29:14,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:29:15,149 INFO L124 PetriNetUnfolderBase]: 344/3671 cut-off events. [2024-11-27 23:29:15,149 INFO L125 PetriNetUnfolderBase]: For 210/266 co-relation queries the response was YES. [2024-11-27 23:29:15,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4506 conditions, 3671 events. 344/3671 cut-off events. For 210/266 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 33316 event pairs, 280 based on Foata normal form. 2/3100 useless extension candidates. Maximal degree in co-relation 4113. Up to 588 conditions per place. [2024-11-27 23:29:15,168 INFO L140 encePairwiseOnDemand]: 367/369 looper letters, 24 selfloop transitions, 0 changer transitions 1/320 dead transitions. [2024-11-27 23:29:15,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 320 transitions, 740 flow [2024-11-27 23:29:15,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:29:15,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:29:15,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1007 transitions. [2024-11-27 23:29:15,171 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9096657633242999 [2024-11-27 23:29:15,171 INFO L175 Difference]: Start difference. First operand has 326 places, 321 transitions, 695 flow. Second operand 3 states and 1007 transitions. [2024-11-27 23:29:15,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 320 transitions, 740 flow [2024-11-27 23:29:15,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 320 transitions, 732 flow, removed 1 selfloop flow, removed 4 redundant places. [2024-11-27 23:29:15,178 INFO L231 Difference]: Finished difference. Result has 325 places, 319 transitions, 682 flow [2024-11-27 23:29:15,178 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=682, PETRI_PLACES=325, PETRI_TRANSITIONS=319} [2024-11-27 23:29:15,179 INFO L279 CegarLoopForPetriNet]: 353 programPoint places, -28 predicate places. [2024-11-27 23:29:15,179 INFO L471 AbstractCegarLoop]: Abstraction has has 325 places, 319 transitions, 682 flow [2024-11-27 23:29:15,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 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) [2024-11-27 23:29:15,180 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:29:15,180 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:15,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:29:15,181 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-27 23:29:15,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:15,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1667101568, now seen corresponding path program 1 times [2024-11-27 23:29:15,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:15,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266215942] [2024-11-27 23:29:15,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:15,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:15,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:29:15,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:15,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266215942] [2024-11-27 23:29:15,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266215942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:15,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:15,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:29:15,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368819738] [2024-11-27 23:29:15,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:15,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:29:15,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:15,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:29:15,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:29:15,300 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 369 [2024-11-27 23:29:15,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 319 transitions, 682 flow. Second operand has 3 states, 3 states have (on average 334.6666666666667) internal successors, (1004), 3 states have internal predecessors, (1004), 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) [2024-11-27 23:29:15,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:29:15,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 369 [2024-11-27 23:29:15,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:29:15,792 INFO L124 PetriNetUnfolderBase]: 154/2608 cut-off events. [2024-11-27 23:29:15,792 INFO L125 PetriNetUnfolderBase]: For 210/266 co-relation queries the response was YES. [2024-11-27 23:29:15,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3110 conditions, 2608 events. 154/2608 cut-off events. For 210/266 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 20379 event pairs, 116 based on Foata normal form. 0/2260 useless extension candidates. Maximal degree in co-relation 3103. Up to 147 conditions per place. [2024-11-27 23:29:15,814 INFO L140 encePairwiseOnDemand]: 367/369 looper letters, 35 selfloop transitions, 1 changer transitions 0/335 dead transitions. [2024-11-27 23:29:15,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 335 transitions, 804 flow [2024-11-27 23:29:15,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:29:15,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:29:15,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1039 transitions. [2024-11-27 23:29:15,817 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.938572719060524 [2024-11-27 23:29:15,817 INFO L175 Difference]: Start difference. First operand has 325 places, 319 transitions, 682 flow. Second operand 3 states and 1039 transitions. [2024-11-27 23:29:15,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 335 transitions, 804 flow [2024-11-27 23:29:15,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 335 transitions, 802 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-27 23:29:15,824 INFO L231 Difference]: Finished difference. Result has 324 places, 318 transitions, 680 flow [2024-11-27 23:29:15,825 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=680, PETRI_PLACES=324, PETRI_TRANSITIONS=318} [2024-11-27 23:29:15,825 INFO L279 CegarLoopForPetriNet]: 353 programPoint places, -29 predicate places. [2024-11-27 23:29:15,825 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 318 transitions, 680 flow [2024-11-27 23:29:15,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.6666666666667) internal successors, (1004), 3 states have internal predecessors, (1004), 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) [2024-11-27 23:29:15,826 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:29:15,829 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:15,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:29:15,830 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-27 23:29:15,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:15,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1808335150, now seen corresponding path program 1 times [2024-11-27 23:29:15,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:15,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277965381] [2024-11-27 23:29:15,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:15,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:15,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:29:15,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:15,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277965381] [2024-11-27 23:29:15,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277965381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:15,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:15,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:29:15,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264729902] [2024-11-27 23:29:15,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:15,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:29:15,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:15,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:29:15,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:29:15,946 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 369 [2024-11-27 23:29:15,947 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 318 transitions, 680 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) [2024-11-27 23:29:15,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:29:15,947 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 369 [2024-11-27 23:29:15,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:29:16,693 INFO L124 PetriNetUnfolderBase]: 728/5154 cut-off events. [2024-11-27 23:29:16,693 INFO L125 PetriNetUnfolderBase]: For 302/452 co-relation queries the response was YES. [2024-11-27 23:29:16,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6720 conditions, 5154 events. 728/5154 cut-off events. For 302/452 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 51389 event pairs, 644 based on Foata normal form. 0/4296 useless extension candidates. Maximal degree in co-relation 6713. Up to 1238 conditions per place. [2024-11-27 23:29:16,720 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 29 selfloop transitions, 2 changer transitions 0/317 dead transitions. [2024-11-27 23:29:16,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 317 transitions, 740 flow [2024-11-27 23:29:16,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:29:16,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:29:16,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 998 transitions. [2024-11-27 23:29:16,723 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9015356820234869 [2024-11-27 23:29:16,723 INFO L175 Difference]: Start difference. First operand has 324 places, 318 transitions, 680 flow. Second operand 3 states and 998 transitions. [2024-11-27 23:29:16,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 317 transitions, 740 flow [2024-11-27 23:29:16,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 317 transitions, 739 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:29:16,730 INFO L231 Difference]: Finished difference. Result has 324 places, 317 transitions, 681 flow [2024-11-27 23:29:16,730 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=681, PETRI_PLACES=324, PETRI_TRANSITIONS=317} [2024-11-27 23:29:16,731 INFO L279 CegarLoopForPetriNet]: 353 programPoint places, -29 predicate places. [2024-11-27 23:29:16,731 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 317 transitions, 681 flow [2024-11-27 23:29:16,732 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) [2024-11-27 23:29:16,732 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:29:16,732 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:16,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:29:16,733 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-27 23:29:16,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:16,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1959283855, now seen corresponding path program 1 times [2024-11-27 23:29:16,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:16,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075817073] [2024-11-27 23:29:16,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:16,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:29:16,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:16,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075817073] [2024-11-27 23:29:16,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075817073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:16,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:16,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:29:16,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343997186] [2024-11-27 23:29:16,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:16,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:29:16,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:16,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:29:16,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:29:16,820 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 369 [2024-11-27 23:29:16,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 317 transitions, 681 flow. Second operand has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 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) [2024-11-27 23:29:16,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:29:16,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 369 [2024-11-27 23:29:16,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:29:17,571 INFO L124 PetriNetUnfolderBase]: 710/5735 cut-off events. [2024-11-27 23:29:17,571 INFO L125 PetriNetUnfolderBase]: For 204/204 co-relation queries the response was YES. [2024-11-27 23:29:17,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7195 conditions, 5735 events. 710/5735 cut-off events. For 204/204 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 57131 event pairs, 608 based on Foata normal form. 0/4836 useless extension candidates. Maximal degree in co-relation 7188. Up to 1136 conditions per place. [2024-11-27 23:29:17,599 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 25 selfloop transitions, 2 changer transitions 0/316 dead transitions. [2024-11-27 23:29:17,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 316 transitions, 733 flow [2024-11-27 23:29:17,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:29:17,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:29:17,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1006 transitions. [2024-11-27 23:29:17,602 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9087624209575429 [2024-11-27 23:29:17,602 INFO L175 Difference]: Start difference. First operand has 324 places, 317 transitions, 681 flow. Second operand 3 states and 1006 transitions. [2024-11-27 23:29:17,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 316 transitions, 733 flow [2024-11-27 23:29:17,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 316 transitions, 729 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:29:17,609 INFO L231 Difference]: Finished difference. Result has 323 places, 316 transitions, 679 flow [2024-11-27 23:29:17,610 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=675, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=679, PETRI_PLACES=323, PETRI_TRANSITIONS=316} [2024-11-27 23:29:17,610 INFO L279 CegarLoopForPetriNet]: 353 programPoint places, -30 predicate places. [2024-11-27 23:29:17,610 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 316 transitions, 679 flow [2024-11-27 23:29:17,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 327.3333333333333) internal successors, (982), 3 states have internal predecessors, (982), 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) [2024-11-27 23:29:17,611 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:29:17,612 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:17,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:29:17,612 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-27 23:29:17,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:17,613 INFO L85 PathProgramCache]: Analyzing trace with hash -563244800, now seen corresponding path program 1 times [2024-11-27 23:29:17,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:17,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853939098] [2024-11-27 23:29:17,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:17,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:17,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:29:17,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:17,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853939098] [2024-11-27 23:29:17,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853939098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:17,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:17,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:29:17,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552772669] [2024-11-27 23:29:17,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:17,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:29:17,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:17,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:29:17,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:29:17,708 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 369 [2024-11-27 23:29:17,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 316 transitions, 679 flow. Second operand has 3 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 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) [2024-11-27 23:29:17,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:29:17,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 369 [2024-11-27 23:29:17,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:29:18,430 INFO L124 PetriNetUnfolderBase]: 548/4443 cut-off events. [2024-11-27 23:29:18,430 INFO L125 PetriNetUnfolderBase]: For 262/328 co-relation queries the response was YES. [2024-11-27 23:29:18,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5669 conditions, 4443 events. 548/4443 cut-off events. For 262/328 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 43069 event pairs, 472 based on Foata normal form. 0/3780 useless extension candidates. Maximal degree in co-relation 5662. Up to 932 conditions per place. [2024-11-27 23:29:18,450 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 26 selfloop transitions, 2 changer transitions 0/315 dead transitions. [2024-11-27 23:29:18,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 315 transitions, 733 flow [2024-11-27 23:29:18,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:29:18,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:29:18,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1004 transitions. [2024-11-27 23:29:18,453 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9069557362240289 [2024-11-27 23:29:18,453 INFO L175 Difference]: Start difference. First operand has 323 places, 316 transitions, 679 flow. Second operand 3 states and 1004 transitions. [2024-11-27 23:29:18,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 315 transitions, 733 flow [2024-11-27 23:29:18,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 315 transitions, 729 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:29:18,460 INFO L231 Difference]: Finished difference. Result has 322 places, 315 transitions, 677 flow [2024-11-27 23:29:18,461 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=677, PETRI_PLACES=322, PETRI_TRANSITIONS=315} [2024-11-27 23:29:18,461 INFO L279 CegarLoopForPetriNet]: 353 programPoint places, -31 predicate places. [2024-11-27 23:29:18,461 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 315 transitions, 677 flow [2024-11-27 23:29:18,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 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) [2024-11-27 23:29:18,462 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:29:18,462 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:18,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 23:29:18,463 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-27 23:29:18,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:18,463 INFO L85 PathProgramCache]: Analyzing trace with hash -599508170, now seen corresponding path program 1 times [2024-11-27 23:29:18,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:18,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408337892] [2024-11-27 23:29:18,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:18,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:18,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:29:18,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:18,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408337892] [2024-11-27 23:29:18,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408337892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:18,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:18,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:29:18,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380729330] [2024-11-27 23:29:18,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:18,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:29:18,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:18,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:29:18,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:29:18,555 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 369 [2024-11-27 23:29:18,557 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 315 transitions, 677 flow. Second operand has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 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) [2024-11-27 23:29:18,557 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:29:18,558 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 369 [2024-11-27 23:29:18,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:29:19,580 INFO L124 PetriNetUnfolderBase]: 570/5393 cut-off events. [2024-11-27 23:29:19,580 INFO L125 PetriNetUnfolderBase]: For 502/1440 co-relation queries the response was YES. [2024-11-27 23:29:19,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6926 conditions, 5393 events. 570/5393 cut-off events. For 502/1440 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 52171 event pairs, 436 based on Foata normal form. 0/4770 useless extension candidates. Maximal degree in co-relation 6919. Up to 1010 conditions per place. [2024-11-27 23:29:19,624 INFO L140 encePairwiseOnDemand]: 360/369 looper letters, 33 selfloop transitions, 1 changer transitions 0/307 dead transitions. [2024-11-27 23:29:19,624 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 307 transitions, 729 flow [2024-11-27 23:29:19,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:29:19,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:29:19,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2024-11-27 23:29:19,627 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8834688346883469 [2024-11-27 23:29:19,627 INFO L175 Difference]: Start difference. First operand has 322 places, 315 transitions, 677 flow. Second operand 3 states and 978 transitions. [2024-11-27 23:29:19,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 307 transitions, 729 flow [2024-11-27 23:29:19,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 307 transitions, 725 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:29:19,635 INFO L231 Difference]: Finished difference. Result has 314 places, 307 transitions, 659 flow [2024-11-27 23:29:19,636 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=657, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=659, PETRI_PLACES=314, PETRI_TRANSITIONS=307} [2024-11-27 23:29:19,636 INFO L279 CegarLoopForPetriNet]: 353 programPoint places, -39 predicate places. [2024-11-27 23:29:19,637 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 307 transitions, 659 flow [2024-11-27 23:29:19,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 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) [2024-11-27 23:29:19,638 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:29:19,638 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:19,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 23:29:19,638 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-27 23:29:19,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:19,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1733633593, now seen corresponding path program 1 times [2024-11-27 23:29:19,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:19,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061842667] [2024-11-27 23:29:19,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:19,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:19,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:29:19,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:19,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061842667] [2024-11-27 23:29:19,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061842667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:19,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:19,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:29:19,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110584350] [2024-11-27 23:29:19,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:19,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:29:19,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:19,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:29:19,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:29:19,719 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 369 [2024-11-27 23:29:19,720 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 307 transitions, 659 flow. Second operand has 3 states, 3 states have (on average 322.0) internal successors, (966), 3 states have internal predecessors, (966), 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) [2024-11-27 23:29:19,721 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:29:19,721 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 369 [2024-11-27 23:29:19,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:29:20,286 INFO L124 PetriNetUnfolderBase]: 382/3569 cut-off events. [2024-11-27 23:29:20,286 INFO L125 PetriNetUnfolderBase]: For 446/522 co-relation queries the response was YES. [2024-11-27 23:29:20,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4652 conditions, 3569 events. 382/3569 cut-off events. For 446/522 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 30292 event pairs, 276 based on Foata normal form. 0/3238 useless extension candidates. Maximal degree in co-relation 4645. Up to 682 conditions per place. [2024-11-27 23:29:20,305 INFO L140 encePairwiseOnDemand]: 363/369 looper letters, 27 selfloop transitions, 1 changer transitions 0/302 dead transitions. [2024-11-27 23:29:20,305 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 302 transitions, 705 flow [2024-11-27 23:29:20,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:29:20,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:29:20,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 996 transitions. [2024-11-27 23:29:20,309 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8997289972899729 [2024-11-27 23:29:20,309 INFO L175 Difference]: Start difference. First operand has 314 places, 307 transitions, 659 flow. Second operand 3 states and 996 transitions. [2024-11-27 23:29:20,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 302 transitions, 705 flow [2024-11-27 23:29:20,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 302 transitions, 704 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:29:20,315 INFO L231 Difference]: Finished difference. Result has 310 places, 302 transitions, 650 flow [2024-11-27 23:29:20,316 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=310, PETRI_TRANSITIONS=302} [2024-11-27 23:29:20,317 INFO L279 CegarLoopForPetriNet]: 353 programPoint places, -43 predicate places. [2024-11-27 23:29:20,317 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 302 transitions, 650 flow [2024-11-27 23:29:20,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.0) internal successors, (966), 3 states have internal predecessors, (966), 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) [2024-11-27 23:29:20,318 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:29:20,318 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:20,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 23:29:20,318 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-27 23:29:20,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:20,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1482175378, now seen corresponding path program 1 times [2024-11-27 23:29:20,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:20,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221883423] [2024-11-27 23:29:20,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:20,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:21,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:29:21,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:21,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221883423] [2024-11-27 23:29:21,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221883423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:21,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:21,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:29:21,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480089951] [2024-11-27 23:29:21,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:21,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:29:21,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:21,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:29:21,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:29:21,482 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 369 [2024-11-27 23:29:21,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 302 transitions, 650 flow. Second operand has 6 states, 6 states have (on average 303.6666666666667) internal successors, (1822), 6 states have internal predecessors, (1822), 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) [2024-11-27 23:29:21,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:29:21,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 369 [2024-11-27 23:29:21,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:29:24,184 INFO L124 PetriNetUnfolderBase]: 3564/20685 cut-off events. [2024-11-27 23:29:24,185 INFO L125 PetriNetUnfolderBase]: For 204/212 co-relation queries the response was YES. [2024-11-27 23:29:24,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27100 conditions, 20685 events. 3564/20685 cut-off events. For 204/212 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 261936 event pairs, 3146 based on Foata normal form. 0/18632 useless extension candidates. Maximal degree in co-relation 27093. Up to 5453 conditions per place. [2024-11-27 23:29:24,285 INFO L140 encePairwiseOnDemand]: 362/369 looper letters, 69 selfloop transitions, 6 changer transitions 0/325 dead transitions. [2024-11-27 23:29:24,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 325 transitions, 846 flow [2024-11-27 23:29:24,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:29:24,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 23:29:24,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1888 transitions. [2024-11-27 23:29:24,291 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8527551942186089 [2024-11-27 23:29:24,292 INFO L175 Difference]: Start difference. First operand has 310 places, 302 transitions, 650 flow. Second operand 6 states and 1888 transitions. [2024-11-27 23:29:24,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 325 transitions, 846 flow [2024-11-27 23:29:24,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 325 transitions, 845 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:29:24,304 INFO L231 Difference]: Finished difference. Result has 313 places, 301 transitions, 659 flow [2024-11-27 23:29:24,305 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=659, PETRI_PLACES=313, PETRI_TRANSITIONS=301} [2024-11-27 23:29:24,306 INFO L279 CegarLoopForPetriNet]: 353 programPoint places, -40 predicate places. [2024-11-27 23:29:24,306 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 301 transitions, 659 flow [2024-11-27 23:29:24,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 303.6666666666667) internal successors, (1822), 6 states have internal predecessors, (1822), 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) [2024-11-27 23:29:24,308 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:29:24,308 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:24,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 23:29:24,309 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-27 23:29:24,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:24,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1852824396, now seen corresponding path program 1 times [2024-11-27 23:29:24,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:24,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114395524] [2024-11-27 23:29:24,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:24,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:24,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:29:24,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:24,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114395524] [2024-11-27 23:29:24,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114395524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:24,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:24,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:29:24,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26752633] [2024-11-27 23:29:24,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:24,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:29:24,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:24,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:29:24,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:29:24,682 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 369 [2024-11-27 23:29:24,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 301 transitions, 659 flow. Second operand has 4 states, 4 states have (on average 323.5) internal successors, (1294), 4 states have internal predecessors, (1294), 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) [2024-11-27 23:29:24,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:29:24,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 369 [2024-11-27 23:29:24,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:29:26,103 INFO L124 PetriNetUnfolderBase]: 842/6391 cut-off events. [2024-11-27 23:29:26,103 INFO L125 PetriNetUnfolderBase]: For 161/161 co-relation queries the response was YES. [2024-11-27 23:29:26,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8134 conditions, 6391 events. 842/6391 cut-off events. For 161/161 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 64457 event pairs, 643 based on Foata normal form. 50/5862 useless extension candidates. Maximal degree in co-relation 8127. Up to 913 conditions per place. [2024-11-27 23:29:26,161 INFO L140 encePairwiseOnDemand]: 356/369 looper letters, 64 selfloop transitions, 11 changer transitions 1/345 dead transitions. [2024-11-27 23:29:26,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 345 transitions, 923 flow [2024-11-27 23:29:26,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:29:26,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-27 23:29:26,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1366 transitions. [2024-11-27 23:29:26,165 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9254742547425474 [2024-11-27 23:29:26,166 INFO L175 Difference]: Start difference. First operand has 313 places, 301 transitions, 659 flow. Second operand 4 states and 1366 transitions. [2024-11-27 23:29:26,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 345 transitions, 923 flow [2024-11-27 23:29:26,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 345 transitions, 911 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 23:29:26,179 INFO L231 Difference]: Finished difference. Result has 313 places, 310 transitions, 729 flow [2024-11-27 23:29:26,180 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=729, PETRI_PLACES=313, PETRI_TRANSITIONS=310} [2024-11-27 23:29:26,181 INFO L279 CegarLoopForPetriNet]: 353 programPoint places, -40 predicate places. [2024-11-27 23:29:26,181 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 310 transitions, 729 flow [2024-11-27 23:29:26,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 323.5) internal successors, (1294), 4 states have internal predecessors, (1294), 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) [2024-11-27 23:29:26,182 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:29:26,182 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:26,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 23:29:26,182 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting funcAErr1ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-27 23:29:26,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:26,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1946902206, now seen corresponding path program 1 times [2024-11-27 23:29:26,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:26,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920723647] [2024-11-27 23:29:26,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:26,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:26,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:29:26,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:26,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920723647] [2024-11-27 23:29:26,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920723647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:26,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:26,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:29:26,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246223556] [2024-11-27 23:29:26,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:26,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:29:26,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:26,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:29:26,294 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:29:26,320 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 369 [2024-11-27 23:29:26,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 310 transitions, 729 flow. Second operand has 3 states, 3 states have (on average 330.6666666666667) internal successors, (992), 3 states have internal predecessors, (992), 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) [2024-11-27 23:29:26,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:29:26,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 369 [2024-11-27 23:29:26,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:29:27,129 INFO L124 PetriNetUnfolderBase]: 306/3163 cut-off events. [2024-11-27 23:29:27,129 INFO L125 PetriNetUnfolderBase]: For 297/481 co-relation queries the response was YES. [2024-11-27 23:29:27,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4220 conditions, 3163 events. 306/3163 cut-off events. For 297/481 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 26679 event pairs, 204 based on Foata normal form. 2/2898 useless extension candidates. Maximal degree in co-relation 4211. Up to 523 conditions per place. [2024-11-27 23:29:27,173 INFO L140 encePairwiseOnDemand]: 363/369 looper letters, 32 selfloop transitions, 5 changer transitions 0/322 dead transitions. [2024-11-27 23:29:27,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 322 transitions, 836 flow [2024-11-27 23:29:27,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:29:27,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:29:27,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1025 transitions. [2024-11-27 23:29:27,176 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9259259259259259 [2024-11-27 23:29:27,176 INFO L175 Difference]: Start difference. First operand has 313 places, 310 transitions, 729 flow. Second operand 3 states and 1025 transitions. [2024-11-27 23:29:27,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 322 transitions, 836 flow [2024-11-27 23:29:27,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 322 transitions, 834 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:29:27,186 INFO L231 Difference]: Finished difference. Result has 316 places, 314 transitions, 765 flow [2024-11-27 23:29:27,187 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=765, PETRI_PLACES=316, PETRI_TRANSITIONS=314} [2024-11-27 23:29:27,187 INFO L279 CegarLoopForPetriNet]: 353 programPoint places, -37 predicate places. [2024-11-27 23:29:27,188 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 314 transitions, 765 flow [2024-11-27 23:29:27,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.6666666666667) internal successors, (992), 3 states have internal predecessors, (992), 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) [2024-11-27 23:29:27,188 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:29:27,189 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:27,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 23:29:27,189 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2024-11-27 23:29:27,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:27,190 INFO L85 PathProgramCache]: Analyzing trace with hash -776502028, now seen corresponding path program 1 times [2024-11-27 23:29:27,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:27,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944402878] [2024-11-27 23:29:27,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:27,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:29:27,244 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:29:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:29:27,332 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 23:29:27,333 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 23:29:27,334 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (64 of 65 remaining) [2024-11-27 23:29:27,339 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr0ASSERT_VIOLATIONDATA_RACE (63 of 65 remaining) [2024-11-27 23:29:27,342 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr1ASSERT_VIOLATIONDATA_RACE (62 of 65 remaining) [2024-11-27 23:29:27,342 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr2ASSERT_VIOLATIONDATA_RACE (61 of 65 remaining) [2024-11-27 23:29:27,343 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr3ASSERT_VIOLATIONDATA_RACE (60 of 65 remaining) [2024-11-27 23:29:27,343 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr4ASSERT_VIOLATIONDATA_RACE (59 of 65 remaining) [2024-11-27 23:29:27,343 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr5ASSERT_VIOLATIONDATA_RACE (58 of 65 remaining) [2024-11-27 23:29:27,343 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr6ASSERT_VIOLATIONDATA_RACE (57 of 65 remaining) [2024-11-27 23:29:27,343 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr7ASSERT_VIOLATIONDATA_RACE (56 of 65 remaining) [2024-11-27 23:29:27,343 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr8ASSERT_VIOLATIONDATA_RACE (55 of 65 remaining) [2024-11-27 23:29:27,343 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (54 of 65 remaining) [2024-11-27 23:29:27,343 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (53 of 65 remaining) [2024-11-27 23:29:27,343 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (52 of 65 remaining) [2024-11-27 23:29:27,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (51 of 65 remaining) [2024-11-27 23:29:27,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (50 of 65 remaining) [2024-11-27 23:29:27,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (49 of 65 remaining) [2024-11-27 23:29:27,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (48 of 65 remaining) [2024-11-27 23:29:27,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (47 of 65 remaining) [2024-11-27 23:29:27,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (46 of 65 remaining) [2024-11-27 23:29:27,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (45 of 65 remaining) [2024-11-27 23:29:27,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (44 of 65 remaining) [2024-11-27 23:29:27,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (43 of 65 remaining) [2024-11-27 23:29:27,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (42 of 65 remaining) [2024-11-27 23:29:27,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (41 of 65 remaining) [2024-11-27 23:29:27,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (40 of 65 remaining) [2024-11-27 23:29:27,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (39 of 65 remaining) [2024-11-27 23:29:27,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (38 of 65 remaining) [2024-11-27 23:29:27,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (37 of 65 remaining) [2024-11-27 23:29:27,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (36 of 65 remaining) [2024-11-27 23:29:27,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (35 of 65 remaining) [2024-11-27 23:29:27,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (34 of 65 remaining) [2024-11-27 23:29:27,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (33 of 65 remaining) [2024-11-27 23:29:27,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (32 of 65 remaining) [2024-11-27 23:29:27,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (31 of 65 remaining) [2024-11-27 23:29:27,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (30 of 65 remaining) [2024-11-27 23:29:27,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (29 of 65 remaining) [2024-11-27 23:29:27,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (28 of 65 remaining) [2024-11-27 23:29:27,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 65 remaining) [2024-11-27 23:29:27,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONDATA_RACE (26 of 65 remaining) [2024-11-27 23:29:27,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr1ASSERT_VIOLATIONDATA_RACE (25 of 65 remaining) [2024-11-27 23:29:27,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr2ASSERT_VIOLATIONDATA_RACE (24 of 65 remaining) [2024-11-27 23:29:27,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr3ASSERT_VIOLATIONDATA_RACE (23 of 65 remaining) [2024-11-27 23:29:27,347 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr4ASSERT_VIOLATIONDATA_RACE (22 of 65 remaining) [2024-11-27 23:29:27,347 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr5ASSERT_VIOLATIONDATA_RACE (21 of 65 remaining) [2024-11-27 23:29:27,347 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr6ASSERT_VIOLATIONDATA_RACE (20 of 65 remaining) [2024-11-27 23:29:27,347 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr7ASSERT_VIOLATIONDATA_RACE (19 of 65 remaining) [2024-11-27 23:29:27,347 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr8ASSERT_VIOLATIONDATA_RACE (18 of 65 remaining) [2024-11-27 23:29:27,348 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr0ASSERT_VIOLATIONDATA_RACE (17 of 65 remaining) [2024-11-27 23:29:27,348 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr1ASSERT_VIOLATIONDATA_RACE (16 of 65 remaining) [2024-11-27 23:29:27,349 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr2ASSERT_VIOLATIONDATA_RACE (15 of 65 remaining) [2024-11-27 23:29:27,349 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr3ASSERT_VIOLATIONDATA_RACE (14 of 65 remaining) [2024-11-27 23:29:27,349 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr4ASSERT_VIOLATIONDATA_RACE (13 of 65 remaining) [2024-11-27 23:29:27,349 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr5ASSERT_VIOLATIONDATA_RACE (12 of 65 remaining) [2024-11-27 23:29:27,349 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr6ASSERT_VIOLATIONDATA_RACE (11 of 65 remaining) [2024-11-27 23:29:27,349 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr7ASSERT_VIOLATIONDATA_RACE (10 of 65 remaining) [2024-11-27 23:29:27,349 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr8ASSERT_VIOLATIONDATA_RACE (9 of 65 remaining) [2024-11-27 23:29:27,350 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONDATA_RACE (8 of 65 remaining) [2024-11-27 23:29:27,350 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr1ASSERT_VIOLATIONDATA_RACE (7 of 65 remaining) [2024-11-27 23:29:27,350 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr2ASSERT_VIOLATIONDATA_RACE (6 of 65 remaining) [2024-11-27 23:29:27,350 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr3ASSERT_VIOLATIONDATA_RACE (5 of 65 remaining) [2024-11-27 23:29:27,350 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr4ASSERT_VIOLATIONDATA_RACE (4 of 65 remaining) [2024-11-27 23:29:27,350 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr5ASSERT_VIOLATIONDATA_RACE (3 of 65 remaining) [2024-11-27 23:29:27,350 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr6ASSERT_VIOLATIONDATA_RACE (2 of 65 remaining) [2024-11-27 23:29:27,350 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr7ASSERT_VIOLATIONDATA_RACE (1 of 65 remaining) [2024-11-27 23:29:27,351 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr8ASSERT_VIOLATIONDATA_RACE (0 of 65 remaining) [2024-11-27 23:29:27,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 23:29:27,351 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:27,356 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-27 23:29:27,356 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-27 23:29:27,478 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-11-27 23:29:27,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 463 places, 482 transitions, 1008 flow [2024-11-27 23:29:27,949 INFO L124 PetriNetUnfolderBase]: 163/1982 cut-off events. [2024-11-27 23:29:27,950 INFO L125 PetriNetUnfolderBase]: For 72/74 co-relation queries the response was YES. [2024-11-27 23:29:27,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2071 conditions, 1982 events. 163/1982 cut-off events. For 72/74 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 12532 event pairs, 1 based on Foata normal form. 0/1619 useless extension candidates. Maximal degree in co-relation 1175. Up to 32 conditions per place. [2024-11-27 23:29:27,970 INFO L82 GeneralOperation]: Start removeDead. Operand has 463 places, 482 transitions, 1008 flow [2024-11-27 23:29:27,997 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 463 places, 482 transitions, 1008 flow [2024-11-27 23:29:27,998 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:29:27,999 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;@79423df9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:29:27,999 INFO L334 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2024-11-27 23:29:28,001 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 23:29:28,001 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-27 23:29:28,001 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:29:28,001 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:29:28,001 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:29:28,002 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:29:28,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:29:28,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1018483591, now seen corresponding path program 1 times [2024-11-27 23:29:28,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:29:28,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487757916] [2024-11-27 23:29:28,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:29:28,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:29:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:29:28,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:29:28,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:29:28,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487757916] [2024-11-27 23:29:28,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487757916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:29:28,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:29:28,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:29:28,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372023760] [2024-11-27 23:29:28,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:29:28,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:29:28,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:29:28,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:29:28,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:29:28,044 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 482 [2024-11-27 23:29:28,046 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 482 transitions, 1008 flow. Second operand has 3 states, 3 states have (on average 417.6666666666667) internal successors, (1253), 3 states have internal predecessors, (1253), 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) [2024-11-27 23:29:28,046 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:29:28,046 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 482 [2024-11-27 23:29:28,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:29:58,369 INFO L124 PetriNetUnfolderBase]: 33456/146489 cut-off events. [2024-11-27 23:29:58,369 INFO L125 PetriNetUnfolderBase]: For 12029/12029 co-relation queries the response was YES. [2024-11-27 23:29:59,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194932 conditions, 146489 events. 33456/146489 cut-off events. For 12029/12029 co-relation queries the response was YES. Maximal size of possible extension queue 2630. Compared 2358547 event pairs, 30562 based on Foata normal form. 17228/140824 useless extension candidates. Maximal degree in co-relation 160782. Up to 43633 conditions per place. [2024-11-27 23:30:00,703 INFO L140 encePairwiseOnDemand]: 461/482 looper letters, 42 selfloop transitions, 1 changer transitions 8/458 dead transitions. [2024-11-27 23:30:00,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 458 transitions, 1046 flow [2024-11-27 23:30:00,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:30:00,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:30:00,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1314 transitions. [2024-11-27 23:30:00,706 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9087136929460581 [2024-11-27 23:30:00,706 INFO L175 Difference]: Start difference. First operand has 463 places, 482 transitions, 1008 flow. Second operand 3 states and 1314 transitions. [2024-11-27 23:30:00,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 458 transitions, 1046 flow [2024-11-27 23:30:00,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 458 transitions, 1046 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 23:30:00,768 INFO L231 Difference]: Finished difference. Result has 457 places, 450 transitions, 946 flow [2024-11-27 23:30:00,769 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=482, PETRI_DIFFERENCE_MINUEND_FLOW=960, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=946, PETRI_PLACES=457, PETRI_TRANSITIONS=450} [2024-11-27 23:30:00,769 INFO L279 CegarLoopForPetriNet]: 463 programPoint places, -6 predicate places. [2024-11-27 23:30:00,769 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 450 transitions, 946 flow [2024-11-27 23:30:00,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.6666666666667) internal successors, (1253), 3 states have internal predecessors, (1253), 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) [2024-11-27 23:30:00,770 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:30:00,770 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:30:00,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 23:30:00,770 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-27 23:30:00,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:30:00,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1508090013, now seen corresponding path program 1 times [2024-11-27 23:30:00,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:30:00,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271167502] [2024-11-27 23:30:00,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:30:00,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:30:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:30:00,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:30:00,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:30:00,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271167502] [2024-11-27 23:30:00,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271167502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:30:00,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:30:00,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:30:00,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964457544] [2024-11-27 23:30:00,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:30:00,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:30:00,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:30:00,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:30:00,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:30:00,833 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 482 [2024-11-27 23:30:00,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 450 transitions, 946 flow. Second operand has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 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) [2024-11-27 23:30:00,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:30:00,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 482 [2024-11-27 23:30:00,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand