./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-match-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-match-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/bin/uautomizer-verify-4GaUIPS5ZU --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 77faa562cc80dab159af187984ab1ce484b13225711253aedc5512d7a84dfd3f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:08:46,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:46,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:08:46,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:46,808 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:46,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:46,836 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:46,836 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:46,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:08:46,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:08:46,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:46,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:46,839 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:46,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:46,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:08:46,841 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:08:46,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:08:46,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:08:46,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:46,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:08:46,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:08:46,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:08:46,844 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:08:46,844 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:46,845 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:08:46,845 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:08:46,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:08:46,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:46,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:46,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:46,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:08:46,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:46,848 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:46,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:08:46,849 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:08:46,849 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:08:46,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:08:46,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:08:46,851 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:08:46,851 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:08:46,852 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:08:46,852 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77faa562cc80dab159af187984ab1ce484b13225711253aedc5512d7a84dfd3f [2024-10-31 22:08:47,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:47,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:47,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:47,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:47,226 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:47,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/chl-match-symm.wvr.c Unable to find full path for "g++" [2024-10-31 22:08:49,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:49,561 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:49,561 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/sv-benchmarks/c/weaver/chl-match-symm.wvr.c [2024-10-31 22:08:49,570 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/bin/uautomizer-verify-4GaUIPS5ZU/data/8e2217274/980ddbcf772546eab63ebbd991151015/FLAGdcd24c340 [2024-10-31 22:08:49,584 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/bin/uautomizer-verify-4GaUIPS5ZU/data/8e2217274/980ddbcf772546eab63ebbd991151015 [2024-10-31 22:08:49,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:49,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:49,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:49,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:49,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:49,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:49" (1/1) ... [2024-10-31 22:08:49,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a20666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:49, skipping insertion in model container [2024-10-31 22:08:49,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:49" (1/1) ... [2024-10-31 22:08:49,625 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:49,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:49,855 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:49,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:49,902 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:49,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:49 WrapperNode [2024-10-31 22:08:49,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:49,904 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:49,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:49,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:49,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:49" (1/1) ... [2024-10-31 22:08:49,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:49" (1/1) ... [2024-10-31 22:08:49,955 INFO L138 Inliner]: procedures = 21, calls = 18, calls flagged for inlining = 12, calls inlined = 18, statements flattened = 241 [2024-10-31 22:08:49,956 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:49,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:49,957 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:49,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:49,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:49" (1/1) ... [2024-10-31 22:08:49,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:49" (1/1) ... [2024-10-31 22:08:49,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:49" (1/1) ... [2024-10-31 22:08:49,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:49" (1/1) ... [2024-10-31 22:08:49,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:49" (1/1) ... [2024-10-31 22:08:49,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:49" (1/1) ... [2024-10-31 22:08:49,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:49" (1/1) ... [2024-10-31 22:08:49,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:49" (1/1) ... [2024-10-31 22:08:49,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:49,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:49,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:49,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:49,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:49" (1/1) ... [2024-10-31 22:08:50,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:50,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:50,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:50,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:08:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 22:08:50,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 22:08:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 22:08:50,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 22:08:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:08:50,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:50,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:50,087 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:08:50,279 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:50,286 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:50,857 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:08:50,860 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:50,883 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:50,884 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:08:50,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:50 BoogieIcfgContainer [2024-10-31 22:08:50,884 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:50,887 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:08:50,887 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:08:50,891 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:08:50,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:08:49" (1/3) ... [2024-10-31 22:08:50,892 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d33d875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:50, skipping insertion in model container [2024-10-31 22:08:50,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:49" (2/3) ... [2024-10-31 22:08:50,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d33d875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:50, skipping insertion in model container [2024-10-31 22:08:50,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:50" (3/3) ... [2024-10-31 22:08:50,894 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-symm.wvr.c [2024-10-31 22:08:50,915 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:08:50,915 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-10-31 22:08:50,915 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:08:51,072 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 22:08:51,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 332 places, 341 transitions, 696 flow [2024-10-31 22:08:51,426 INFO L124 PetriNetUnfolderBase]: 16/339 cut-off events. [2024-10-31 22:08:51,426 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:08:51,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 339 events. 16/339 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 345 event pairs, 0 based on Foata normal form. 0/293 useless extension candidates. Maximal degree in co-relation 198. Up to 2 conditions per place. [2024-10-31 22:08:51,442 INFO L82 GeneralOperation]: Start removeDead. Operand has 332 places, 341 transitions, 696 flow [2024-10-31 22:08:51,454 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 312 places, 319 transitions, 650 flow [2024-10-31 22:08:51,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:08:51,481 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;@1117118d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:08:51,481 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-10-31 22:08:51,487 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:08:51,488 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-10-31 22:08:51,488 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:08:51,488 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:51,489 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:51,489 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-10-31 22:08:51,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:51,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1891127115, now seen corresponding path program 1 times [2024-10-31 22:08:51,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:51,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930318211] [2024-10-31 22:08:51,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:51,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:51,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:51,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:51,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930318211] [2024-10-31 22:08:51,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930318211] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:51,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:51,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:51,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145493004] [2024-10-31 22:08:51,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:51,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:51,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:51,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:51,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:51,889 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 341 [2024-10-31 22:08:51,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 319 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-10-31 22:08:51,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:51,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 341 [2024-10-31 22:08:51,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:52,048 INFO L124 PetriNetUnfolderBase]: 14/504 cut-off events. [2024-10-31 22:08:52,049 INFO L125 PetriNetUnfolderBase]: For 15/16 co-relation queries the response was YES. [2024-10-31 22:08:52,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 504 events. 14/504 cut-off events. For 15/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1208 event pairs, 8 based on Foata normal form. 27/459 useless extension candidates. Maximal degree in co-relation 403. Up to 28 conditions per place. [2024-10-31 22:08:52,058 INFO L140 encePairwiseOnDemand]: 328/341 looper letters, 11 selfloop transitions, 2 changer transitions 2/308 dead transitions. [2024-10-31 22:08:52,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 308 transitions, 654 flow [2024-10-31 22:08:52,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:52,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:52,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 966 transitions. [2024-10-31 22:08:52,111 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9442815249266863 [2024-10-31 22:08:52,113 INFO L175 Difference]: Start difference. First operand has 312 places, 319 transitions, 650 flow. Second operand 3 states and 966 transitions. [2024-10-31 22:08:52,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 308 transitions, 654 flow [2024-10-31 22:08:52,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 308 transitions, 646 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:08:52,129 INFO L231 Difference]: Finished difference. Result has 309 places, 306 transitions, 620 flow [2024-10-31 22:08:52,134 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=309, PETRI_TRANSITIONS=306} [2024-10-31 22:08:52,139 INFO L277 CegarLoopForPetriNet]: 312 programPoint places, -3 predicate places. [2024-10-31 22:08:52,139 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 306 transitions, 620 flow [2024-10-31 22:08:52,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-10-31 22:08:52,141 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:52,141 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:52,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:08:52,142 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-10-31 22:08:52,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:52,143 INFO L85 PathProgramCache]: Analyzing trace with hash 79721871, now seen corresponding path program 1 times [2024-10-31 22:08:52,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:52,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783901950] [2024-10-31 22:08:52,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:52,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:52,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:52,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:52,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783901950] [2024-10-31 22:08:52,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783901950] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:52,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:52,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:52,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284228276] [2024-10-31 22:08:52,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:52,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:52,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:52,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:52,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:52,289 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 341 [2024-10-31 22:08:52,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 306 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-10-31 22:08:52,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:52,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 341 [2024-10-31 22:08:52,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:52,399 INFO L124 PetriNetUnfolderBase]: 9/487 cut-off events. [2024-10-31 22:08:52,400 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:08:52,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 512 conditions, 487 events. 9/487 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1133 event pairs, 3 based on Foata normal form. 0/418 useless extension candidates. Maximal degree in co-relation 480. Up to 16 conditions per place. [2024-10-31 22:08:52,405 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 9 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2024-10-31 22:08:52,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 305 transitions, 640 flow [2024-10-31 22:08:52,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:52,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:52,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-10-31 22:08:52,409 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9384164222873901 [2024-10-31 22:08:52,409 INFO L175 Difference]: Start difference. First operand has 309 places, 306 transitions, 620 flow. Second operand 3 states and 960 transitions. [2024-10-31 22:08:52,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 305 transitions, 640 flow [2024-10-31 22:08:52,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 305 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:08:52,418 INFO L231 Difference]: Finished difference. Result has 306 places, 305 transitions, 618 flow [2024-10-31 22:08:52,418 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=306, PETRI_TRANSITIONS=305} [2024-10-31 22:08:52,419 INFO L277 CegarLoopForPetriNet]: 312 programPoint places, -6 predicate places. [2024-10-31 22:08:52,419 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 305 transitions, 618 flow [2024-10-31 22:08:52,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-10-31 22:08:52,420 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:52,420 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:52,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:08:52,421 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-10-31 22:08:52,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:52,422 INFO L85 PathProgramCache]: Analyzing trace with hash 812410856, now seen corresponding path program 1 times [2024-10-31 22:08:52,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:52,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216768194] [2024-10-31 22:08:52,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:52,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:52,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:52,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:52,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216768194] [2024-10-31 22:08:52,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216768194] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:52,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:52,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:52,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030374254] [2024-10-31 22:08:52,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:52,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:52,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:52,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:52,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:52,561 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 341 [2024-10-31 22:08:52,562 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 305 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-10-31 22:08:52,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:52,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 341 [2024-10-31 22:08:52,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:52,672 INFO L124 PetriNetUnfolderBase]: 9/480 cut-off events. [2024-10-31 22:08:52,672 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:08:52,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 505 conditions, 480 events. 9/480 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1094 event pairs, 3 based on Foata normal form. 0/414 useless extension candidates. Maximal degree in co-relation 465. Up to 16 conditions per place. [2024-10-31 22:08:52,678 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 9 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2024-10-31 22:08:52,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 304 transitions, 638 flow [2024-10-31 22:08:52,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:52,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:52,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-10-31 22:08:52,681 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9384164222873901 [2024-10-31 22:08:52,681 INFO L175 Difference]: Start difference. First operand has 306 places, 305 transitions, 618 flow. Second operand 3 states and 960 transitions. [2024-10-31 22:08:52,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 304 transitions, 638 flow [2024-10-31 22:08:52,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 304 transitions, 634 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:08:52,687 INFO L231 Difference]: Finished difference. Result has 305 places, 304 transitions, 616 flow [2024-10-31 22:08:52,688 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=305, PETRI_TRANSITIONS=304} [2024-10-31 22:08:52,690 INFO L277 CegarLoopForPetriNet]: 312 programPoint places, -7 predicate places. [2024-10-31 22:08:52,690 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 304 transitions, 616 flow [2024-10-31 22:08:52,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-10-31 22:08:52,691 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:52,691 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:52,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:08:52,693 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-10-31 22:08:52,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:52,695 INFO L85 PathProgramCache]: Analyzing trace with hash -2039657065, now seen corresponding path program 1 times [2024-10-31 22:08:52,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:52,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015057604] [2024-10-31 22:08:52,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:52,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:52,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:52,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:52,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015057604] [2024-10-31 22:08:52,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015057604] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:52,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:52,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:52,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906691646] [2024-10-31 22:08:52,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:52,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:52,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:52,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:52,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:52,818 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 341 [2024-10-31 22:08:52,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 304 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-10-31 22:08:52,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:52,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 341 [2024-10-31 22:08:52,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:52,919 INFO L124 PetriNetUnfolderBase]: 14/499 cut-off events. [2024-10-31 22:08:52,919 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:08:52,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 537 conditions, 499 events. 14/499 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1212 event pairs, 8 based on Foata normal form. 0/432 useless extension candidates. Maximal degree in co-relation 489. Up to 28 conditions per place. [2024-10-31 22:08:52,924 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 11 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2024-10-31 22:08:52,924 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 303 transitions, 640 flow [2024-10-31 22:08:52,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:52,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:52,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 956 transitions. [2024-10-31 22:08:52,928 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9345063538611925 [2024-10-31 22:08:52,928 INFO L175 Difference]: Start difference. First operand has 305 places, 304 transitions, 616 flow. Second operand 3 states and 956 transitions. [2024-10-31 22:08:52,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 303 transitions, 640 flow [2024-10-31 22:08:52,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 303 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:08:52,934 INFO L231 Difference]: Finished difference. Result has 304 places, 303 transitions, 614 flow [2024-10-31 22:08:52,935 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=614, PETRI_PLACES=304, PETRI_TRANSITIONS=303} [2024-10-31 22:08:52,936 INFO L277 CegarLoopForPetriNet]: 312 programPoint places, -8 predicate places. [2024-10-31 22:08:52,937 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 303 transitions, 614 flow [2024-10-31 22:08:52,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2024-10-31 22:08:52,938 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:52,938 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:52,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:08:52,939 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-10-31 22:08:52,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:52,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1460679319, now seen corresponding path program 1 times [2024-10-31 22:08:52,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:52,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54866755] [2024-10-31 22:08:52,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:52,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:53,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:53,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54866755] [2024-10-31 22:08:53,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54866755] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:53,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:53,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:53,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291433302] [2024-10-31 22:08:53,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:53,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:53,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:53,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:53,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:53,052 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 341 [2024-10-31 22:08:53,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 303 transitions, 614 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-10-31 22:08:53,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:53,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 341 [2024-10-31 22:08:53,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:53,164 INFO L124 PetriNetUnfolderBase]: 9/487 cut-off events. [2024-10-31 22:08:53,164 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:08:53,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 512 conditions, 487 events. 9/487 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 790 event pairs, 3 based on Foata normal form. 0/420 useless extension candidates. Maximal degree in co-relation 456. Up to 16 conditions per place. [2024-10-31 22:08:53,169 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 9 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2024-10-31 22:08:53,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 302 transitions, 634 flow [2024-10-31 22:08:53,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:53,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-10-31 22:08:53,173 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9384164222873901 [2024-10-31 22:08:53,173 INFO L175 Difference]: Start difference. First operand has 304 places, 303 transitions, 614 flow. Second operand 3 states and 960 transitions. [2024-10-31 22:08:53,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 302 transitions, 634 flow [2024-10-31 22:08:53,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 302 transitions, 630 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:08:53,180 INFO L231 Difference]: Finished difference. Result has 303 places, 302 transitions, 612 flow [2024-10-31 22:08:53,181 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=303, PETRI_TRANSITIONS=302} [2024-10-31 22:08:53,184 INFO L277 CegarLoopForPetriNet]: 312 programPoint places, -9 predicate places. [2024-10-31 22:08:53,185 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 302 transitions, 612 flow [2024-10-31 22:08:53,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-10-31 22:08:53,186 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:53,186 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:53,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:08:53,186 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-10-31 22:08:53,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:53,187 INFO L85 PathProgramCache]: Analyzing trace with hash -725008606, now seen corresponding path program 1 times [2024-10-31 22:08:53,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:53,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345932823] [2024-10-31 22:08:53,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:53,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:53,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:53,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:53,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345932823] [2024-10-31 22:08:53,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345932823] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:53,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:53,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:53,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89516710] [2024-10-31 22:08:53,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:53,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:53,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:53,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:53,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:53,325 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 341 [2024-10-31 22:08:53,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 302 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-10-31 22:08:53,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:53,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 341 [2024-10-31 22:08:53,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:53,432 INFO L124 PetriNetUnfolderBase]: 9/483 cut-off events. [2024-10-31 22:08:53,433 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:08:53,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 508 conditions, 483 events. 9/483 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 777 event pairs, 3 based on Foata normal form. 0/418 useless extension candidates. Maximal degree in co-relation 444. Up to 16 conditions per place. [2024-10-31 22:08:53,438 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 9 selfloop transitions, 2 changer transitions 0/301 dead transitions. [2024-10-31 22:08:53,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 301 transitions, 632 flow [2024-10-31 22:08:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:53,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:53,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-10-31 22:08:53,441 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9384164222873901 [2024-10-31 22:08:53,441 INFO L175 Difference]: Start difference. First operand has 303 places, 302 transitions, 612 flow. Second operand 3 states and 960 transitions. [2024-10-31 22:08:53,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 301 transitions, 632 flow [2024-10-31 22:08:53,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 301 transitions, 628 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:08:53,449 INFO L231 Difference]: Finished difference. Result has 302 places, 301 transitions, 610 flow [2024-10-31 22:08:53,450 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=610, PETRI_PLACES=302, PETRI_TRANSITIONS=301} [2024-10-31 22:08:53,453 INFO L277 CegarLoopForPetriNet]: 312 programPoint places, -10 predicate places. [2024-10-31 22:08:53,454 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 301 transitions, 610 flow [2024-10-31 22:08:53,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-10-31 22:08:53,455 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:53,455 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:53,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:08:53,456 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-10-31 22:08:53,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:53,457 INFO L85 PathProgramCache]: Analyzing trace with hash -808007066, now seen corresponding path program 1 times [2024-10-31 22:08:53,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:53,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831611023] [2024-10-31 22:08:53,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:53,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:53,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:53,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831611023] [2024-10-31 22:08:53,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831611023] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:53,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:53,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:53,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921617973] [2024-10-31 22:08:53,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:53,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:53,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:53,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:53,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:53,525 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 341 [2024-10-31 22:08:53,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 301 transitions, 610 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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) [2024-10-31 22:08:53,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:53,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 341 [2024-10-31 22:08:53,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:53,639 INFO L124 PetriNetUnfolderBase]: 17/649 cut-off events. [2024-10-31 22:08:53,640 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 22:08:53,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 683 conditions, 649 events. 17/649 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1959 event pairs, 4 based on Foata normal form. 0/560 useless extension candidates. Maximal degree in co-relation 611. Up to 22 conditions per place. [2024-10-31 22:08:53,644 INFO L140 encePairwiseOnDemand]: 337/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2024-10-31 22:08:53,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 302 transitions, 637 flow [2024-10-31 22:08:53,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:53,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:53,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2024-10-31 22:08:53,647 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.946236559139785 [2024-10-31 22:08:53,647 INFO L175 Difference]: Start difference. First operand has 302 places, 301 transitions, 610 flow. Second operand 3 states and 968 transitions. [2024-10-31 22:08:53,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 302 transitions, 637 flow [2024-10-31 22:08:53,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 302 transitions, 633 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:08:53,654 INFO L231 Difference]: Finished difference. Result has 301 places, 301 transitions, 616 flow [2024-10-31 22:08:53,655 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=301, PETRI_TRANSITIONS=301} [2024-10-31 22:08:53,655 INFO L277 CegarLoopForPetriNet]: 312 programPoint places, -11 predicate places. [2024-10-31 22:08:53,656 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 301 transitions, 616 flow [2024-10-31 22:08:53,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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) [2024-10-31 22:08:53,657 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:53,657 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:53,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:08:53,657 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-10-31 22:08:53,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:53,658 INFO L85 PathProgramCache]: Analyzing trace with hash 894315208, now seen corresponding path program 1 times [2024-10-31 22:08:53,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:53,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008733510] [2024-10-31 22:08:53,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:53,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:53,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:53,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:53,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008733510] [2024-10-31 22:08:53,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008733510] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:53,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:53,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:53,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029570337] [2024-10-31 22:08:53,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:53,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:53,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:53,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:53,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:53,745 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 341 [2024-10-31 22:08:53,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 301 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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) [2024-10-31 22:08:53,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:53,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 341 [2024-10-31 22:08:53,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:53,861 INFO L124 PetriNetUnfolderBase]: 19/725 cut-off events. [2024-10-31 22:08:53,861 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 22:08:53,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 766 conditions, 725 events. 19/725 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2490 event pairs, 5 based on Foata normal form. 0/632 useless extension candidates. Maximal degree in co-relation 625. Up to 24 conditions per place. [2024-10-31 22:08:53,866 INFO L140 encePairwiseOnDemand]: 337/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2024-10-31 22:08:53,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 302 transitions, 643 flow [2024-10-31 22:08:53,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:53,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:53,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2024-10-31 22:08:53,870 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.946236559139785 [2024-10-31 22:08:53,870 INFO L175 Difference]: Start difference. First operand has 301 places, 301 transitions, 616 flow. Second operand 3 states and 968 transitions. [2024-10-31 22:08:53,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 302 transitions, 643 flow [2024-10-31 22:08:53,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 302 transitions, 643 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:08:53,876 INFO L231 Difference]: Finished difference. Result has 302 places, 301 transitions, 626 flow [2024-10-31 22:08:53,877 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=302, PETRI_TRANSITIONS=301} [2024-10-31 22:08:53,877 INFO L277 CegarLoopForPetriNet]: 312 programPoint places, -10 predicate places. [2024-10-31 22:08:53,878 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 301 transitions, 626 flow [2024-10-31 22:08:53,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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) [2024-10-31 22:08:53,879 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:53,879 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:53,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:08:53,879 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-10-31 22:08:53,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:53,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1671683357, now seen corresponding path program 1 times [2024-10-31 22:08:53,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:53,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449087337] [2024-10-31 22:08:53,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:53,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:53,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:53,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:53,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449087337] [2024-10-31 22:08:53,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449087337] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:53,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:53,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:53,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167323063] [2024-10-31 22:08:53,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:53,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:53,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:53,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:53,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:53,982 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 341 [2024-10-31 22:08:53,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 301 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 319.6666666666667) internal successors, (959), 3 states have internal predecessors, (959), 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) [2024-10-31 22:08:53,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:53,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 341 [2024-10-31 22:08:53,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:54,100 INFO L124 PetriNetUnfolderBase]: 20/667 cut-off events. [2024-10-31 22:08:54,100 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-10-31 22:08:54,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 667 events. 20/667 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2599 event pairs, 3 based on Foata normal form. 0/582 useless extension candidates. Maximal degree in co-relation 574. Up to 22 conditions per place. [2024-10-31 22:08:54,104 INFO L140 encePairwiseOnDemand]: 337/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2024-10-31 22:08:54,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 302 transitions, 653 flow [2024-10-31 22:08:54,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:54,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:54,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2024-10-31 22:08:54,107 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.946236559139785 [2024-10-31 22:08:54,107 INFO L175 Difference]: Start difference. First operand has 302 places, 301 transitions, 626 flow. Second operand 3 states and 968 transitions. [2024-10-31 22:08:54,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 302 transitions, 653 flow [2024-10-31 22:08:54,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 302 transitions, 653 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:08:54,113 INFO L231 Difference]: Finished difference. Result has 303 places, 301 transitions, 636 flow [2024-10-31 22:08:54,113 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=636, PETRI_PLACES=303, PETRI_TRANSITIONS=301} [2024-10-31 22:08:54,114 INFO L277 CegarLoopForPetriNet]: 312 programPoint places, -9 predicate places. [2024-10-31 22:08:54,114 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 301 transitions, 636 flow [2024-10-31 22:08:54,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.6666666666667) internal successors, (959), 3 states have internal predecessors, (959), 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) [2024-10-31 22:08:54,115 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:54,115 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:54,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:08:54,116 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-10-31 22:08:54,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:54,116 INFO L85 PathProgramCache]: Analyzing trace with hash 169965439, now seen corresponding path program 1 times [2024-10-31 22:08:54,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:54,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768072177] [2024-10-31 22:08:54,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:54,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:54,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:54,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:54,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768072177] [2024-10-31 22:08:54,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768072177] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:54,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:54,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:54,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204991363] [2024-10-31 22:08:54,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:54,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:54,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:54,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:54,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:54,174 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 341 [2024-10-31 22:08:54,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 301 transitions, 636 flow. Second operand has 3 states, 3 states have (on average 319.6666666666667) internal successors, (959), 3 states have internal predecessors, (959), 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) [2024-10-31 22:08:54,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:54,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 341 [2024-10-31 22:08:54,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:54,284 INFO L124 PetriNetUnfolderBase]: 22/710 cut-off events. [2024-10-31 22:08:54,285 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2024-10-31 22:08:54,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 769 conditions, 710 events. 22/710 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2979 event pairs, 3 based on Foata normal form. 0/623 useless extension candidates. Maximal degree in co-relation 626. Up to 25 conditions per place. [2024-10-31 22:08:54,290 INFO L140 encePairwiseOnDemand]: 337/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2024-10-31 22:08:54,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 302 transitions, 663 flow [2024-10-31 22:08:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:54,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:54,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2024-10-31 22:08:54,293 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.946236559139785 [2024-10-31 22:08:54,293 INFO L175 Difference]: Start difference. First operand has 303 places, 301 transitions, 636 flow. Second operand 3 states and 968 transitions. [2024-10-31 22:08:54,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 302 transitions, 663 flow [2024-10-31 22:08:54,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 302 transitions, 663 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:08:54,299 INFO L231 Difference]: Finished difference. Result has 304 places, 301 transitions, 646 flow [2024-10-31 22:08:54,300 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=646, PETRI_PLACES=304, PETRI_TRANSITIONS=301} [2024-10-31 22:08:54,300 INFO L277 CegarLoopForPetriNet]: 312 programPoint places, -8 predicate places. [2024-10-31 22:08:54,301 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 301 transitions, 646 flow [2024-10-31 22:08:54,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.6666666666667) internal successors, (959), 3 states have internal predecessors, (959), 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) [2024-10-31 22:08:54,302 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:54,302 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:54,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:08:54,302 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-10-31 22:08:54,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:54,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1498151222, now seen corresponding path program 1 times [2024-10-31 22:08:54,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:54,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799651883] [2024-10-31 22:08:54,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:54,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:54,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:54,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:54,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799651883] [2024-10-31 22:08:54,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799651883] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:54,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:54,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:54,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972780002] [2024-10-31 22:08:54,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:54,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:54,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:54,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:54,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:54,396 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 341 [2024-10-31 22:08:54,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 301 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 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) [2024-10-31 22:08:54,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:54,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 341 [2024-10-31 22:08:54,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:54,528 INFO L124 PetriNetUnfolderBase]: 43/669 cut-off events. [2024-10-31 22:08:54,529 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-10-31 22:08:54,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 788 conditions, 669 events. 43/669 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2597 event pairs, 16 based on Foata normal form. 0/593 useless extension candidates. Maximal degree in co-relation 642. Up to 76 conditions per place. [2024-10-31 22:08:54,533 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 14 selfloop transitions, 2 changer transitions 0/300 dead transitions. [2024-10-31 22:08:54,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 300 transitions, 677 flow [2024-10-31 22:08:54,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:54,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:54,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 956 transitions. [2024-10-31 22:08:54,536 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9345063538611925 [2024-10-31 22:08:54,536 INFO L175 Difference]: Start difference. First operand has 304 places, 301 transitions, 646 flow. Second operand 3 states and 956 transitions. [2024-10-31 22:08:54,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 300 transitions, 677 flow [2024-10-31 22:08:54,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 300 transitions, 677 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:08:54,542 INFO L231 Difference]: Finished difference. Result has 303 places, 299 transitions, 652 flow [2024-10-31 22:08:54,542 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=303, PETRI_TRANSITIONS=299} [2024-10-31 22:08:54,543 INFO L277 CegarLoopForPetriNet]: 312 programPoint places, -9 predicate places. [2024-10-31 22:08:54,543 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 299 transitions, 652 flow [2024-10-31 22:08:54,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 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) [2024-10-31 22:08:54,544 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:54,544 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:54,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:08:54,545 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-10-31 22:08:54,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:54,545 INFO L85 PathProgramCache]: Analyzing trace with hash -909252948, now seen corresponding path program 1 times [2024-10-31 22:08:54,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:54,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810303687] [2024-10-31 22:08:54,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:54,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:54,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:54,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:54,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810303687] [2024-10-31 22:08:54,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810303687] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:54,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:54,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:54,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972439009] [2024-10-31 22:08:54,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:54,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:54,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:54,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:54,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:54,627 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 341 [2024-10-31 22:08:54,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 299 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 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) [2024-10-31 22:08:54,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:54,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 341 [2024-10-31 22:08:54,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:54,749 INFO L124 PetriNetUnfolderBase]: 47/692 cut-off events. [2024-10-31 22:08:54,750 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-10-31 22:08:54,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 835 conditions, 692 events. 47/692 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2669 event pairs, 16 based on Foata normal form. 0/633 useless extension candidates. Maximal degree in co-relation 688. Up to 81 conditions per place. [2024-10-31 22:08:54,754 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 14 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2024-10-31 22:08:54,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 298 transitions, 683 flow [2024-10-31 22:08:54,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:54,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:54,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 956 transitions. [2024-10-31 22:08:54,757 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9345063538611925 [2024-10-31 22:08:54,758 INFO L175 Difference]: Start difference. First operand has 303 places, 299 transitions, 652 flow. Second operand 3 states and 956 transitions. [2024-10-31 22:08:54,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 298 transitions, 683 flow [2024-10-31 22:08:54,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 298 transitions, 683 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:08:54,763 INFO L231 Difference]: Finished difference. Result has 302 places, 297 transitions, 658 flow [2024-10-31 22:08:54,764 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=658, PETRI_PLACES=302, PETRI_TRANSITIONS=297} [2024-10-31 22:08:54,765 INFO L277 CegarLoopForPetriNet]: 312 programPoint places, -10 predicate places. [2024-10-31 22:08:54,765 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 297 transitions, 658 flow [2024-10-31 22:08:54,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 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) [2024-10-31 22:08:54,766 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:54,766 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:54,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:08:54,767 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-10-31 22:08:54,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:54,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1040875051, now seen corresponding path program 1 times [2024-10-31 22:08:54,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:54,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867049127] [2024-10-31 22:08:54,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:54,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:54,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:54,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:54,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867049127] [2024-10-31 22:08:54,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867049127] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:54,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:54,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:54,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481469110] [2024-10-31 22:08:54,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:54,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:54,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:54,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:54,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:54,858 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 341 [2024-10-31 22:08:54,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 297 transitions, 658 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-10-31 22:08:54,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:54,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 341 [2024-10-31 22:08:54,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:54,964 INFO L124 PetriNetUnfolderBase]: 21/545 cut-off events. [2024-10-31 22:08:54,964 INFO L125 PetriNetUnfolderBase]: For 4/9 co-relation queries the response was YES. [2024-10-31 22:08:54,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 646 conditions, 545 events. 21/545 cut-off events. For 4/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1772 event pairs, 2 based on Foata normal form. 1/509 useless extension candidates. Maximal degree in co-relation 501. Up to 20 conditions per place. [2024-10-31 22:08:54,968 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/297 dead transitions. [2024-10-31 22:08:54,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 297 transitions, 683 flow [2024-10-31 22:08:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:54,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:54,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-10-31 22:08:54,971 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9423264907135875 [2024-10-31 22:08:54,971 INFO L175 Difference]: Start difference. First operand has 302 places, 297 transitions, 658 flow. Second operand 3 states and 964 transitions. [2024-10-31 22:08:54,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 297 transitions, 683 flow [2024-10-31 22:08:54,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 297 transitions, 683 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:08:54,977 INFO L231 Difference]: Finished difference. Result has 303 places, 296 transitions, 660 flow [2024-10-31 22:08:54,978 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=656, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=660, PETRI_PLACES=303, PETRI_TRANSITIONS=296} [2024-10-31 22:08:54,979 INFO L277 CegarLoopForPetriNet]: 312 programPoint places, -9 predicate places. [2024-10-31 22:08:54,979 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 296 transitions, 660 flow [2024-10-31 22:08:54,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 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) [2024-10-31 22:08:54,980 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:54,980 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:54,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:08:54,981 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-10-31 22:08:54,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:54,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1343105908, now seen corresponding path program 1 times [2024-10-31 22:08:54,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:54,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129235926] [2024-10-31 22:08:54,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:54,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:55,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:55,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:55,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129235926] [2024-10-31 22:08:55,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129235926] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:55,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:55,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:55,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089304900] [2024-10-31 22:08:55,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:55,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:55,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:55,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:55,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:55,068 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 341 [2024-10-31 22:08:55,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 296 transitions, 660 flow. Second operand has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 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) [2024-10-31 22:08:55,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:55,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 341 [2024-10-31 22:08:55,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:55,171 INFO L124 PetriNetUnfolderBase]: 20/536 cut-off events. [2024-10-31 22:08:55,171 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-10-31 22:08:55,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 647 conditions, 536 events. 20/536 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1670 event pairs, 2 based on Foata normal form. 0/504 useless extension candidates. Maximal degree in co-relation 543. Up to 24 conditions per place. [2024-10-31 22:08:55,175 INFO L140 encePairwiseOnDemand]: 338/341 looper letters, 10 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2024-10-31 22:08:55,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 296 transitions, 685 flow [2024-10-31 22:08:55,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:55,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:55,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-10-31 22:08:55,178 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9423264907135875 [2024-10-31 22:08:55,179 INFO L175 Difference]: Start difference. First operand has 303 places, 296 transitions, 660 flow. Second operand 3 states and 964 transitions. [2024-10-31 22:08:55,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 296 transitions, 685 flow [2024-10-31 22:08:55,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 296 transitions, 681 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:08:55,185 INFO L231 Difference]: Finished difference. Result has 302 places, 295 transitions, 658 flow [2024-10-31 22:08:55,186 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=658, PETRI_PLACES=302, PETRI_TRANSITIONS=295} [2024-10-31 22:08:55,186 INFO L277 CegarLoopForPetriNet]: 312 programPoint places, -10 predicate places. [2024-10-31 22:08:55,186 INFO L471 AbstractCegarLoop]: Abstraction has has 302 places, 295 transitions, 658 flow [2024-10-31 22:08:55,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 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) [2024-10-31 22:08:55,188 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:55,188 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:55,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:08:55,188 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-10-31 22:08:55,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:55,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1721930605, now seen corresponding path program 1 times [2024-10-31 22:08:55,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:55,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276292867] [2024-10-31 22:08:55,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:55,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:55,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:55,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:55,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276292867] [2024-10-31 22:08:55,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276292867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:55,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:55,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:08:55,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261793101] [2024-10-31 22:08:55,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:55,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:55,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:55,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:55,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:55,377 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 341 [2024-10-31 22:08:55,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 295 transitions, 658 flow. Second operand has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 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) [2024-10-31 22:08:55,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:55,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 341 [2024-10-31 22:08:55,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:55,503 INFO L124 PetriNetUnfolderBase]: 20/639 cut-off events. [2024-10-31 22:08:55,503 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-10-31 22:08:55,506 INFO L83 FinitePrefix]: Finished finitePrefix Result has 755 conditions, 639 events. 20/639 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2203 event pairs, 3 based on Foata normal form. 1/602 useless extension candidates. Maximal degree in co-relation 620. Up to 25 conditions per place. [2024-10-31 22:08:55,508 INFO L140 encePairwiseOnDemand]: 339/341 looper letters, 13 selfloop transitions, 1 changer transitions 2/298 dead transitions. [2024-10-31 22:08:55,508 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 298 transitions, 695 flow [2024-10-31 22:08:55,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:55,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:55,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2024-10-31 22:08:55,511 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9472140762463344 [2024-10-31 22:08:55,511 INFO L175 Difference]: Start difference. First operand has 302 places, 295 transitions, 658 flow. Second operand 3 states and 969 transitions. [2024-10-31 22:08:55,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 298 transitions, 695 flow [2024-10-31 22:08:55,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 298 transitions, 691 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:08:55,519 INFO L231 Difference]: Finished difference. Result has 303 places, 293 transitions, 655 flow [2024-10-31 22:08:55,520 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=655, PETRI_PLACES=303, PETRI_TRANSITIONS=293} [2024-10-31 22:08:55,520 INFO L277 CegarLoopForPetriNet]: 312 programPoint places, -9 predicate places. [2024-10-31 22:08:55,520 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 293 transitions, 655 flow [2024-10-31 22:08:55,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 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) [2024-10-31 22:08:55,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:55,522 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:55,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 22:08:55,522 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-10-31 22:08:55,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:55,522 INFO L85 PathProgramCache]: Analyzing trace with hash 954116435, now seen corresponding path program 2 times [2024-10-31 22:08:55,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:55,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582827255] [2024-10-31 22:08:55,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:55,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:55,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:55,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:55,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582827255] [2024-10-31 22:08:55,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582827255] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:55,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:55,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:08:55,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68307266] [2024-10-31 22:08:55,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:55,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:55,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:55,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:55,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:55,667 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 341 [2024-10-31 22:08:55,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 293 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 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) [2024-10-31 22:08:55,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:55,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 341 [2024-10-31 22:08:55,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:55,836 INFO L124 PetriNetUnfolderBase]: 18/719 cut-off events. [2024-10-31 22:08:55,836 INFO L125 PetriNetUnfolderBase]: For 33/37 co-relation queries the response was YES. [2024-10-31 22:08:55,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 719 events. 18/719 cut-off events. For 33/37 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2666 event pairs, 4 based on Foata normal form. 1/680 useless extension candidates. Maximal degree in co-relation 715. Up to 31 conditions per place. [2024-10-31 22:08:55,840 INFO L140 encePairwiseOnDemand]: 339/341 looper letters, 12 selfloop transitions, 1 changer transitions 2/295 dead transitions. [2024-10-31 22:08:55,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 295 transitions, 687 flow [2024-10-31 22:08:55,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:55,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:55,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 968 transitions. [2024-10-31 22:08:55,844 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.946236559139785 [2024-10-31 22:08:55,844 INFO L175 Difference]: Start difference. First operand has 303 places, 293 transitions, 655 flow. Second operand 3 states and 968 transitions. [2024-10-31 22:08:55,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 295 transitions, 687 flow [2024-10-31 22:08:55,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 295 transitions, 686 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:08:55,852 INFO L231 Difference]: Finished difference. Result has 303 places, 291 transitions, 655 flow [2024-10-31 22:08:55,852 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=655, PETRI_PLACES=303, PETRI_TRANSITIONS=291} [2024-10-31 22:08:55,853 INFO L277 CegarLoopForPetriNet]: 312 programPoint places, -9 predicate places. [2024-10-31 22:08:55,853 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 291 transitions, 655 flow [2024-10-31 22:08:55,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 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) [2024-10-31 22:08:55,854 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:55,854 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:55,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 22:08:55,855 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-10-31 22:08:55,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:55,855 INFO L85 PathProgramCache]: Analyzing trace with hash 169845892, now seen corresponding path program 1 times [2024-10-31 22:08:55,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:55,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848258639] [2024-10-31 22:08:55,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:55,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:55,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:55,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:55,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848258639] [2024-10-31 22:08:55,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848258639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:55,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:55,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:55,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503677135] [2024-10-31 22:08:55,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:55,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:55,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:55,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:55,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:55,975 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 341 [2024-10-31 22:08:55,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 291 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-10-31 22:08:55,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:55,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 341 [2024-10-31 22:08:55,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:56,099 INFO L124 PetriNetUnfolderBase]: 16/675 cut-off events. [2024-10-31 22:08:56,099 INFO L125 PetriNetUnfolderBase]: For 29/40 co-relation queries the response was YES. [2024-10-31 22:08:56,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 804 conditions, 675 events. 16/675 cut-off events. For 29/40 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2453 event pairs, 2 based on Foata normal form. 0/648 useless extension candidates. Maximal degree in co-relation 687. Up to 22 conditions per place. [2024-10-31 22:08:56,102 INFO L140 encePairwiseOnDemand]: 337/341 looper letters, 10 selfloop transitions, 1 changer transitions 0/288 dead transitions. [2024-10-31 22:08:56,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 288 transitions, 671 flow [2024-10-31 22:08:56,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:56,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:56,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 959 transitions. [2024-10-31 22:08:56,105 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9374389051808406 [2024-10-31 22:08:56,105 INFO L175 Difference]: Start difference. First operand has 303 places, 291 transitions, 655 flow. Second operand 3 states and 959 transitions. [2024-10-31 22:08:56,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 288 transitions, 671 flow [2024-10-31 22:08:56,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 288 transitions, 670 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:08:56,111 INFO L231 Difference]: Finished difference. Result has 299 places, 288 transitions, 650 flow [2024-10-31 22:08:56,112 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=299, PETRI_TRANSITIONS=288} [2024-10-31 22:08:56,112 INFO L277 CegarLoopForPetriNet]: 312 programPoint places, -13 predicate places. [2024-10-31 22:08:56,112 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 288 transitions, 650 flow [2024-10-31 22:08:56,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-10-31 22:08:56,113 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:56,114 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:56,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-31 22:08:56,114 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2024-10-31 22:08:56,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:56,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1903255492, now seen corresponding path program 1 times [2024-10-31 22:08:56,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:56,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637348146] [2024-10-31 22:08:56,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:56,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:56,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:56,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:56,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637348146] [2024-10-31 22:08:56,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637348146] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:56,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:56,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:56,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348612179] [2024-10-31 22:08:56,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:56,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:56,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:56,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:56,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:56,239 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 341 [2024-10-31 22:08:56,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 288 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-10-31 22:08:56,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:56,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 341 [2024-10-31 22:08:56,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:56,361 INFO L124 PetriNetUnfolderBase]: 18/740 cut-off events. [2024-10-31 22:08:56,361 INFO L125 PetriNetUnfolderBase]: For 18/21 co-relation queries the response was YES. [2024-10-31 22:08:56,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 877 conditions, 740 events. 18/740 cut-off events. For 18/21 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2854 event pairs, 3 based on Foata normal form. 3/718 useless extension candidates. Maximal degree in co-relation 718. Up to 28 conditions per place. [2024-10-31 22:08:56,363 INFO L140 encePairwiseOnDemand]: 335/341 looper letters, 0 selfloop transitions, 0 changer transitions 287/287 dead transitions. [2024-10-31 22:08:56,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 287 transitions, 672 flow [2024-10-31 22:08:56,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:56,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:56,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-10-31 22:08:56,366 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9384164222873901 [2024-10-31 22:08:56,366 INFO L175 Difference]: Start difference. First operand has 299 places, 288 transitions, 650 flow. Second operand 3 states and 960 transitions. [2024-10-31 22:08:56,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 287 transitions, 672 flow [2024-10-31 22:08:56,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 287 transitions, 671 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:08:56,370 INFO L231 Difference]: Finished difference. Result has 297 places, 0 transitions, 0 flow [2024-10-31 22:08:56,371 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=297, PETRI_TRANSITIONS=0} [2024-10-31 22:08:56,371 INFO L277 CegarLoopForPetriNet]: 312 programPoint places, -15 predicate places. [2024-10-31 22:08:56,371 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 0 transitions, 0 flow [2024-10-31 22:08:56,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2024-10-31 22:08:56,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (49 of 50 remaining) [2024-10-31 22:08:56,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (48 of 50 remaining) [2024-10-31 22:08:56,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining) [2024-10-31 22:08:56,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining) [2024-10-31 22:08:56,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining) [2024-10-31 22:08:56,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining) [2024-10-31 22:08:56,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining) [2024-10-31 22:08:56,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining) [2024-10-31 22:08:56,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining) [2024-10-31 22:08:56,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining) [2024-10-31 22:08:56,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining) [2024-10-31 22:08:56,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining) [2024-10-31 22:08:56,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining) [2024-10-31 22:08:56,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (36 of 50 remaining) [2024-10-31 22:08:56,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (35 of 50 remaining) [2024-10-31 22:08:56,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (34 of 50 remaining) [2024-10-31 22:08:56,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (33 of 50 remaining) [2024-10-31 22:08:56,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (32 of 50 remaining) [2024-10-31 22:08:56,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 50 remaining) [2024-10-31 22:08:56,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 50 remaining) [2024-10-31 22:08:56,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 50 remaining) [2024-10-31 22:08:56,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 50 remaining) [2024-10-31 22:08:56,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining) [2024-10-31 22:08:56,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining) [2024-10-31 22:08:56,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining) [2024-10-31 22:08:56,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining) [2024-10-31 22:08:56,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining) [2024-10-31 22:08:56,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining) [2024-10-31 22:08:56,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining) [2024-10-31 22:08:56,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining) [2024-10-31 22:08:56,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 50 remaining) [2024-10-31 22:08:56,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 50 remaining) [2024-10-31 22:08:56,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 50 remaining) [2024-10-31 22:08:56,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining) [2024-10-31 22:08:56,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining) [2024-10-31 22:08:56,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining) [2024-10-31 22:08:56,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining) [2024-10-31 22:08:56,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining) [2024-10-31 22:08:56,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining) [2024-10-31 22:08:56,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining) [2024-10-31 22:08:56,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (9 of 50 remaining) [2024-10-31 22:08:56,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 50 remaining) [2024-10-31 22:08:56,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining) [2024-10-31 22:08:56,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining) [2024-10-31 22:08:56,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining) [2024-10-31 22:08:56,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining) [2024-10-31 22:08:56,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining) [2024-10-31 22:08:56,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining) [2024-10-31 22:08:56,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining) [2024-10-31 22:08:56,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining) [2024-10-31 22:08:56,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-31 22:08:56,382 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:56,388 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 22:08:56,389 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:08:56,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:08:56 BasicIcfg [2024-10-31 22:08:56,395 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:08:56,395 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:08:56,395 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:08:56,395 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:08:56,396 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:50" (3/4) ... [2024-10-31 22:08:56,398 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:08:56,401 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-31 22:08:56,401 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-31 22:08:56,407 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-31 22:08:56,407 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-31 22:08:56,407 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 22:08:56,407 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:08:56,513 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:08:56,513 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:08:56,514 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:08:56,516 INFO L158 Benchmark]: Toolchain (without parser) took 6922.90ms. Allocated memory was 140.5MB in the beginning and 213.9MB in the end (delta: 73.4MB). Free memory was 110.0MB in the beginning and 117.3MB in the end (delta: -7.2MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2024-10-31 22:08:56,517 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 96.5MB. Free memory was 66.6MB in the beginning and 66.5MB in the end (delta: 24.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:08:56,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.23ms. Allocated memory is still 140.5MB. Free memory was 110.0MB in the beginning and 96.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:08:56,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.88ms. Allocated memory is still 140.5MB. Free memory was 96.1MB in the beginning and 94.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:08:56,518 INFO L158 Benchmark]: Boogie Preprocessor took 30.02ms. Allocated memory is still 140.5MB. Free memory was 94.0MB in the beginning and 92.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:08:56,518 INFO L158 Benchmark]: RCFGBuilder took 891.68ms. Allocated memory is still 140.5MB. Free memory was 92.0MB in the beginning and 67.4MB in the end (delta: 24.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-31 22:08:56,518 INFO L158 Benchmark]: TraceAbstraction took 5507.74ms. Allocated memory was 140.5MB in the beginning and 213.9MB in the end (delta: 73.4MB). Free memory was 66.8MB in the beginning and 122.5MB in the end (delta: -55.7MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-10-31 22:08:56,519 INFO L158 Benchmark]: Witness Printer took 118.57ms. Allocated memory is still 213.9MB. Free memory was 122.5MB in the beginning and 117.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:08:56,522 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 96.5MB. Free memory was 66.6MB in the beginning and 66.5MB in the end (delta: 24.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.23ms. Allocated memory is still 140.5MB. Free memory was 110.0MB in the beginning and 96.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.88ms. Allocated memory is still 140.5MB. Free memory was 96.1MB in the beginning and 94.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.02ms. Allocated memory is still 140.5MB. Free memory was 94.0MB in the beginning and 92.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 891.68ms. Allocated memory is still 140.5MB. Free memory was 92.0MB in the beginning and 67.4MB in the end (delta: 24.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5507.74ms. Allocated memory was 140.5MB in the beginning and 213.9MB in the end (delta: 73.4MB). Free memory was 66.8MB in the beginning and 122.5MB in the end (delta: -55.7MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Witness Printer took 118.57ms. Allocated memory is still 213.9MB. Free memory was 122.5MB in the beginning and 117.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 508 locations, 50 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.3s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 371 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 125 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 437 IncrementalHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 125 mSDtfsCounter, 437 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=660occurred in iteration=13, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2020 NumberOfCodeBlocks, 2020 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2002 ConstructedInterpolants, 0 QuantifiedInterpolants, 2358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 22:08:56,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3391a098-62a4-4221-ab4d-22ce7a95cf30/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE