./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa0e43d-94f9-44be-9f2b-9e643ac9e992/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa0e43d-94f9-44be-9f2b-9e643ac9e992/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_8aa0e43d-94f9-44be-9f2b-9e643ac9e992/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa0e43d-94f9-44be-9f2b-9e643ac9e992/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa0e43d-94f9-44be-9f2b-9e643ac9e992/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_8aa0e43d-94f9-44be-9f2b-9e643ac9e992/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 faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:05:32,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:05:32,642 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa0e43d-94f9-44be-9f2b-9e643ac9e992/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:05:32,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:05:32,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:05:32,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:05:32,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:05:32,691 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:05:32,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:05:32,692 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:05:32,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:05:32,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:05:32,694 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:05:32,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:05:32,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:05:32,699 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:05:32,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:05:32,700 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:05:32,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:05:32,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:05:32,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:05:32,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:05:32,702 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:05:32,703 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:05:32,703 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:05:32,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:05:32,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:05:32,704 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:05:32,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:05:32,705 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:05:32,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:05:32,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:32,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:05:32,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:05:32,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:05:32,710 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:05:32,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:05:32,711 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:05:32,711 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:05:32,711 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:05:32,711 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:05:32,713 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_8aa0e43d-94f9-44be-9f2b-9e643ac9e992/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa0e43d-94f9-44be-9f2b-9e643ac9e992/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4 [2024-10-31 22:05:33,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:05:33,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:05:33,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:05:33,099 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:05:33,100 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:05:33,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa0e43d-94f9-44be-9f2b-9e643ac9e992/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c Unable to find full path for "g++" [2024-10-31 22:05:35,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:05:35,475 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:05:35,476 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa0e43d-94f9-44be-9f2b-9e643ac9e992/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2024-10-31 22:05:35,484 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa0e43d-94f9-44be-9f2b-9e643ac9e992/bin/uautomizer-verify-4GaUIPS5ZU/data/95ca9b815/152c005fbd384d5aa203b7868605d017/FLAG1f802cc62 [2024-10-31 22:05:35,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa0e43d-94f9-44be-9f2b-9e643ac9e992/bin/uautomizer-verify-4GaUIPS5ZU/data/95ca9b815/152c005fbd384d5aa203b7868605d017 [2024-10-31 22:05:35,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:05:35,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:05:35,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:35,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:05:35,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:05:35,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:35" (1/1) ... [2024-10-31 22:05:35,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@347220cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:35, skipping insertion in model container [2024-10-31 22:05:35,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:35" (1/1) ... [2024-10-31 22:05:35,570 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:05:35,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:35,869 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:05:35,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:35,926 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:05:35,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:35 WrapperNode [2024-10-31 22:05:35,927 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:35,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:35,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:05:35,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:05:35,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:35" (1/1) ... [2024-10-31 22:05:35,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:35" (1/1) ... [2024-10-31 22:05:35,997 INFO L138 Inliner]: procedures = 22, calls = 32, calls flagged for inlining = 18, calls inlined = 32, statements flattened = 508 [2024-10-31 22:05:35,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:35,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:05:36,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:05:36,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:05:36,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:35" (1/1) ... [2024-10-31 22:05:36,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:35" (1/1) ... [2024-10-31 22:05:36,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:35" (1/1) ... [2024-10-31 22:05:36,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:35" (1/1) ... [2024-10-31 22:05:36,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:35" (1/1) ... [2024-10-31 22:05:36,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:35" (1/1) ... [2024-10-31 22:05:36,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:35" (1/1) ... [2024-10-31 22:05:36,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:35" (1/1) ... [2024-10-31 22:05:36,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:05:36,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:05:36,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:05:36,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:05:36,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:35" (1/1) ... [2024-10-31 22:05:36,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:36,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa0e43d-94f9-44be-9f2b-9e643ac9e992/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:36,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa0e43d-94f9-44be-9f2b-9e643ac9e992/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:05:36,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aa0e43d-94f9-44be-9f2b-9e643ac9e992/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:05:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:05:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 22:05:36,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 22:05:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 22:05:36,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 22:05:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:05:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:05:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:05:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:05:36,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:05:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:05:36,173 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 22:05:36,363 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:05:36,365 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:05:37,415 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:05:37,415 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:05:37,466 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:05:37,470 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-31 22:05:37,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:37 BoogieIcfgContainer [2024-10-31 22:05:37,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:05:37,472 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:05:37,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:05:37,478 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:05:37,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:05:35" (1/3) ... [2024-10-31 22:05:37,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264b641a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:37, skipping insertion in model container [2024-10-31 22:05:37,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:35" (2/3) ... [2024-10-31 22:05:37,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264b641a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:37, skipping insertion in model container [2024-10-31 22:05:37,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:37" (3/3) ... [2024-10-31 22:05:37,481 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2024-10-31 22:05:37,499 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:05:37,499 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 73 error locations. [2024-10-31 22:05:37,499 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:05:37,671 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 22:05:37,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 680 places, 706 transitions, 1426 flow [2024-10-31 22:05:38,158 INFO L124 PetriNetUnfolderBase]: 33/704 cut-off events. [2024-10-31 22:05:38,159 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:05:38,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 713 conditions, 704 events. 33/704 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1858 event pairs, 0 based on Foata normal form. 0/598 useless extension candidates. Maximal degree in co-relation 457. Up to 2 conditions per place. [2024-10-31 22:05:38,182 INFO L82 GeneralOperation]: Start removeDead. Operand has 680 places, 706 transitions, 1426 flow [2024-10-31 22:05:38,198 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 662 places, 687 transitions, 1386 flow [2024-10-31 22:05:38,214 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:05:38,224 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;@418ebc68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:05:38,225 INFO L334 AbstractCegarLoop]: Starting to check reachability of 123 error locations. [2024-10-31 22:05:38,230 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:05:38,230 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-10-31 22:05:38,230 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:05:38,231 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:38,231 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:38,232 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:38,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:38,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1199725653, now seen corresponding path program 1 times [2024-10-31 22:05:38,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:38,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11956775] [2024-10-31 22:05:38,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:38,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:38,450 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 22:05:38,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:38,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11956775] [2024-10-31 22:05:38,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11956775] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:38,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:38,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:38,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860046227] [2024-10-31 22:05:38,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:38,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:38,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:38,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:38,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:38,594 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 659 out of 706 [2024-10-31 22:05:38,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 662 places, 687 transitions, 1386 flow. Second operand has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 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 22:05:38,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:38,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 659 of 706 [2024-10-31 22:05:38,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:39,459 INFO L124 PetriNetUnfolderBase]: 28/1966 cut-off events. [2024-10-31 22:05:39,459 INFO L125 PetriNetUnfolderBase]: For 16/18 co-relation queries the response was YES. [2024-10-31 22:05:39,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2021 conditions, 1966 events. 28/1966 cut-off events. For 16/18 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 10172 event pairs, 6 based on Foata normal form. 82/1739 useless extension candidates. Maximal degree in co-relation 1769. Up to 32 conditions per place. [2024-10-31 22:05:39,480 INFO L140 encePairwiseOnDemand]: 681/706 looper letters, 19 selfloop transitions, 2 changer transitions 3/664 dead transitions. [2024-10-31 22:05:39,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 663 places, 664 transitions, 1382 flow [2024-10-31 22:05:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:39,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:39,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2021 transitions. [2024-10-31 22:05:39,511 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9542020774315392 [2024-10-31 22:05:39,513 INFO L175 Difference]: Start difference. First operand has 662 places, 687 transitions, 1386 flow. Second operand 3 states and 2021 transitions. [2024-10-31 22:05:39,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 663 places, 664 transitions, 1382 flow [2024-10-31 22:05:39,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 659 places, 664 transitions, 1374 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:05:39,536 INFO L231 Difference]: Finished difference. Result has 659 places, 661 transitions, 1330 flow [2024-10-31 22:05:39,542 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1332, PETRI_DIFFERENCE_MINUEND_PLACES=657, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=664, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=662, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1330, PETRI_PLACES=659, PETRI_TRANSITIONS=661} [2024-10-31 22:05:39,549 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -3 predicate places. [2024-10-31 22:05:39,551 INFO L471 AbstractCegarLoop]: Abstraction has has 659 places, 661 transitions, 1330 flow [2024-10-31 22:05:39,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 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 22:05:39,553 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:39,553 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] [2024-10-31 22:05:39,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:05:39,555 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:39,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:39,557 INFO L85 PathProgramCache]: Analyzing trace with hash -424455180, now seen corresponding path program 1 times [2024-10-31 22:05:39,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:39,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599048101] [2024-10-31 22:05:39,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:39,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:39,657 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 22:05:39,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:39,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599048101] [2024-10-31 22:05:39,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599048101] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:39,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:39,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:39,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428593673] [2024-10-31 22:05:39,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:39,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:39,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:39,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:39,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:39,758 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 664 out of 706 [2024-10-31 22:05:39,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 659 places, 661 transitions, 1330 flow. Second operand has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 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 22:05:39,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:39,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 664 of 706 [2024-10-31 22:05:39,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:40,146 INFO L124 PetriNetUnfolderBase]: 19/880 cut-off events. [2024-10-31 22:05:40,146 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-10-31 22:05:40,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 917 conditions, 880 events. 19/880 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 3056 event pairs, 6 based on Foata normal form. 0/748 useless extension candidates. Maximal degree in co-relation 883. Up to 29 conditions per place. [2024-10-31 22:05:40,161 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 14 selfloop transitions, 2 changer transitions 0/660 dead transitions. [2024-10-31 22:05:40,162 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 660 transitions, 1360 flow [2024-10-31 22:05:40,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:40,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:40,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2009 transitions. [2024-10-31 22:05:40,167 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9485363550519358 [2024-10-31 22:05:40,167 INFO L175 Difference]: Start difference. First operand has 659 places, 661 transitions, 1330 flow. Second operand 3 states and 2009 transitions. [2024-10-31 22:05:40,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 660 transitions, 1360 flow [2024-10-31 22:05:40,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 655 places, 660 transitions, 1356 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:40,182 INFO L231 Difference]: Finished difference. Result has 655 places, 660 transitions, 1328 flow [2024-10-31 22:05:40,183 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1324, PETRI_DIFFERENCE_MINUEND_PLACES=653, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=660, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=658, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1328, PETRI_PLACES=655, PETRI_TRANSITIONS=660} [2024-10-31 22:05:40,185 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -7 predicate places. [2024-10-31 22:05:40,185 INFO L471 AbstractCegarLoop]: Abstraction has has 655 places, 660 transitions, 1328 flow [2024-10-31 22:05:40,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 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 22:05:40,186 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:40,187 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] [2024-10-31 22:05:40,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:05:40,188 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:40,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:40,189 INFO L85 PathProgramCache]: Analyzing trace with hash -472914400, now seen corresponding path program 1 times [2024-10-31 22:05:40,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:40,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111538446] [2024-10-31 22:05:40,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:40,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:40,293 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 22:05:40,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:40,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111538446] [2024-10-31 22:05:40,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111538446] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:40,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:40,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:40,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738846736] [2024-10-31 22:05:40,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:40,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:40,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:40,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:40,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:40,322 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 670 out of 706 [2024-10-31 22:05:40,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 655 places, 660 transitions, 1328 flow. Second operand has 3 states, 3 states have (on average 671.3333333333334) internal successors, (2014), 3 states have internal predecessors, (2014), 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 22:05:40,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:40,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 670 of 706 [2024-10-31 22:05:40,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:40,615 INFO L124 PetriNetUnfolderBase]: 13/876 cut-off events. [2024-10-31 22:05:40,615 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2024-10-31 22:05:40,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 896 conditions, 876 events. 13/876 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2718 event pairs, 1 based on Foata normal form. 0/746 useless extension candidates. Maximal degree in co-relation 854. Up to 11 conditions per place. [2024-10-31 22:05:40,632 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 8 selfloop transitions, 2 changer transitions 0/659 dead transitions. [2024-10-31 22:05:40,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 656 places, 659 transitions, 1346 flow [2024-10-31 22:05:40,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:40,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:40,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2021 transitions. [2024-10-31 22:05:40,640 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9542020774315392 [2024-10-31 22:05:40,640 INFO L175 Difference]: Start difference. First operand has 655 places, 660 transitions, 1328 flow. Second operand 3 states and 2021 transitions. [2024-10-31 22:05:40,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 656 places, 659 transitions, 1346 flow [2024-10-31 22:05:40,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 659 transitions, 1342 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:40,660 INFO L231 Difference]: Finished difference. Result has 654 places, 659 transitions, 1326 flow [2024-10-31 22:05:40,662 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1322, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=659, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=657, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1326, PETRI_PLACES=654, PETRI_TRANSITIONS=659} [2024-10-31 22:05:40,663 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -8 predicate places. [2024-10-31 22:05:40,663 INFO L471 AbstractCegarLoop]: Abstraction has has 654 places, 659 transitions, 1326 flow [2024-10-31 22:05:40,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 671.3333333333334) internal successors, (2014), 3 states have internal predecessors, (2014), 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 22:05:40,667 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:40,667 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] [2024-10-31 22:05:40,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:05:40,667 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:40,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:40,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1445387779, now seen corresponding path program 1 times [2024-10-31 22:05:40,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:40,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701703988] [2024-10-31 22:05:40,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:40,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:40,748 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 22:05:40,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:40,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701703988] [2024-10-31 22:05:40,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701703988] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:40,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:40,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:40,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516599443] [2024-10-31 22:05:40,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:40,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:40,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:40,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:40,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:40,771 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 670 out of 706 [2024-10-31 22:05:40,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 654 places, 659 transitions, 1326 flow. Second operand has 3 states, 3 states have (on average 671.3333333333334) internal successors, (2014), 3 states have internal predecessors, (2014), 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 22:05:40,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:40,776 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 670 of 706 [2024-10-31 22:05:40,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:40,997 INFO L124 PetriNetUnfolderBase]: 11/660 cut-off events. [2024-10-31 22:05:40,997 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-10-31 22:05:41,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 679 conditions, 660 events. 11/660 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1841 event pairs, 1 based on Foata normal form. 0/566 useless extension candidates. Maximal degree in co-relation 629. Up to 11 conditions per place. [2024-10-31 22:05:41,010 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 8 selfloop transitions, 2 changer transitions 0/658 dead transitions. [2024-10-31 22:05:41,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 655 places, 658 transitions, 1344 flow [2024-10-31 22:05:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:41,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:41,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2021 transitions. [2024-10-31 22:05:41,018 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9542020774315392 [2024-10-31 22:05:41,018 INFO L175 Difference]: Start difference. First operand has 654 places, 659 transitions, 1326 flow. Second operand 3 states and 2021 transitions. [2024-10-31 22:05:41,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 655 places, 658 transitions, 1344 flow [2024-10-31 22:05:41,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 653 places, 658 transitions, 1340 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:41,030 INFO L231 Difference]: Finished difference. Result has 653 places, 658 transitions, 1324 flow [2024-10-31 22:05:41,032 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1320, PETRI_DIFFERENCE_MINUEND_PLACES=651, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=658, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=656, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1324, PETRI_PLACES=653, PETRI_TRANSITIONS=658} [2024-10-31 22:05:41,032 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -9 predicate places. [2024-10-31 22:05:41,033 INFO L471 AbstractCegarLoop]: Abstraction has has 653 places, 658 transitions, 1324 flow [2024-10-31 22:05:41,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 671.3333333333334) internal successors, (2014), 3 states have internal predecessors, (2014), 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 22:05:41,034 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:41,034 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] [2024-10-31 22:05:41,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:05:41,035 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:41,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:41,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1186604938, now seen corresponding path program 1 times [2024-10-31 22:05:41,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:41,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071640231] [2024-10-31 22:05:41,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:41,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:41,121 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 22:05:41,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:41,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071640231] [2024-10-31 22:05:41,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071640231] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:41,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:41,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:41,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970427349] [2024-10-31 22:05:41,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:41,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:41,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:41,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:41,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:41,185 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 665 out of 706 [2024-10-31 22:05:41,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 653 places, 658 transitions, 1324 flow. Second operand has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 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 22:05:41,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:41,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 665 of 706 [2024-10-31 22:05:41,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:41,565 INFO L124 PetriNetUnfolderBase]: 22/1525 cut-off events. [2024-10-31 22:05:41,565 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-10-31 22:05:41,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1559 conditions, 1525 events. 22/1525 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 7049 event pairs, 4 based on Foata normal form. 0/1293 useless extension candidates. Maximal degree in co-relation 1501. Up to 22 conditions per place. [2024-10-31 22:05:41,593 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 13 selfloop transitions, 2 changer transitions 0/657 dead transitions. [2024-10-31 22:05:41,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 657 transitions, 1352 flow [2024-10-31 22:05:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:41,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:41,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2011 transitions. [2024-10-31 22:05:41,599 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.949480642115203 [2024-10-31 22:05:41,599 INFO L175 Difference]: Start difference. First operand has 653 places, 658 transitions, 1324 flow. Second operand 3 states and 2011 transitions. [2024-10-31 22:05:41,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 657 transitions, 1352 flow [2024-10-31 22:05:41,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 652 places, 657 transitions, 1348 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:41,643 INFO L231 Difference]: Finished difference. Result has 652 places, 657 transitions, 1322 flow [2024-10-31 22:05:41,644 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1318, PETRI_DIFFERENCE_MINUEND_PLACES=650, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=655, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1322, PETRI_PLACES=652, PETRI_TRANSITIONS=657} [2024-10-31 22:05:41,645 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -10 predicate places. [2024-10-31 22:05:41,645 INFO L471 AbstractCegarLoop]: Abstraction has has 652 places, 657 transitions, 1322 flow [2024-10-31 22:05:41,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 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 22:05:41,647 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:41,647 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] [2024-10-31 22:05:41,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:05:41,648 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:41,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:41,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1273069341, now seen corresponding path program 1 times [2024-10-31 22:05:41,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:41,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748561845] [2024-10-31 22:05:41,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:41,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:41,707 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 22:05:41,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:41,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748561845] [2024-10-31 22:05:41,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748561845] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:41,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:41,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:41,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668158498] [2024-10-31 22:05:41,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:41,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:41,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:41,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:41,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:41,769 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 665 out of 706 [2024-10-31 22:05:41,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 652 places, 657 transitions, 1322 flow. Second operand has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 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 22:05:41,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:41,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 665 of 706 [2024-10-31 22:05:41,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:42,006 INFO L124 PetriNetUnfolderBase]: 14/701 cut-off events. [2024-10-31 22:05:42,006 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-10-31 22:05:42,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 701 events. 14/701 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2226 event pairs, 4 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 665. Up to 22 conditions per place. [2024-10-31 22:05:42,022 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 13 selfloop transitions, 2 changer transitions 0/656 dead transitions. [2024-10-31 22:05:42,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 653 places, 656 transitions, 1350 flow [2024-10-31 22:05:42,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:42,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:42,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2011 transitions. [2024-10-31 22:05:42,027 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.949480642115203 [2024-10-31 22:05:42,027 INFO L175 Difference]: Start difference. First operand has 652 places, 657 transitions, 1322 flow. Second operand 3 states and 2011 transitions. [2024-10-31 22:05:42,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 653 places, 656 transitions, 1350 flow [2024-10-31 22:05:42,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 651 places, 656 transitions, 1346 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:42,040 INFO L231 Difference]: Finished difference. Result has 651 places, 656 transitions, 1320 flow [2024-10-31 22:05:42,041 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1316, PETRI_DIFFERENCE_MINUEND_PLACES=649, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=656, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=654, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1320, PETRI_PLACES=651, PETRI_TRANSITIONS=656} [2024-10-31 22:05:42,042 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -11 predicate places. [2024-10-31 22:05:42,042 INFO L471 AbstractCegarLoop]: Abstraction has has 651 places, 656 transitions, 1320 flow [2024-10-31 22:05:42,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 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 22:05:42,044 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:42,044 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] [2024-10-31 22:05:42,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:05:42,045 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:42,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:42,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1273970532, now seen corresponding path program 1 times [2024-10-31 22:05:42,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:42,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998475319] [2024-10-31 22:05:42,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:42,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:42,099 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 22:05:42,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:42,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998475319] [2024-10-31 22:05:42,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998475319] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:42,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:42,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:42,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382805552] [2024-10-31 22:05:42,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:42,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:42,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:42,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:42,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:42,165 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 664 out of 706 [2024-10-31 22:05:42,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 651 places, 656 transitions, 1320 flow. Second operand has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 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 22:05:42,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:42,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 664 of 706 [2024-10-31 22:05:42,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:42,381 INFO L124 PetriNetUnfolderBase]: 18/874 cut-off events. [2024-10-31 22:05:42,381 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 22:05:42,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 916 conditions, 874 events. 18/874 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3325 event pairs, 6 based on Foata normal form. 0/748 useless extension candidates. Maximal degree in co-relation 842. Up to 28 conditions per place. [2024-10-31 22:05:42,397 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 14 selfloop transitions, 2 changer transitions 0/655 dead transitions. [2024-10-31 22:05:42,398 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 652 places, 655 transitions, 1350 flow [2024-10-31 22:05:42,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:42,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2009 transitions. [2024-10-31 22:05:42,403 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9485363550519358 [2024-10-31 22:05:42,403 INFO L175 Difference]: Start difference. First operand has 651 places, 656 transitions, 1320 flow. Second operand 3 states and 2009 transitions. [2024-10-31 22:05:42,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 652 places, 655 transitions, 1350 flow [2024-10-31 22:05:42,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 650 places, 655 transitions, 1346 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:42,416 INFO L231 Difference]: Finished difference. Result has 650 places, 655 transitions, 1318 flow [2024-10-31 22:05:42,417 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1314, PETRI_DIFFERENCE_MINUEND_PLACES=648, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=655, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=653, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1318, PETRI_PLACES=650, PETRI_TRANSITIONS=655} [2024-10-31 22:05:42,418 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -12 predicate places. [2024-10-31 22:05:42,418 INFO L471 AbstractCegarLoop]: Abstraction has has 650 places, 655 transitions, 1318 flow [2024-10-31 22:05:42,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 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 22:05:42,420 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:42,420 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:42,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:05:42,420 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:42,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:42,421 INFO L85 PathProgramCache]: Analyzing trace with hash 823168958, now seen corresponding path program 1 times [2024-10-31 22:05:42,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:42,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415552824] [2024-10-31 22:05:42,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:42,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:42,465 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 22:05:42,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:42,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415552824] [2024-10-31 22:05:42,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415552824] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:42,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:42,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:42,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295655704] [2024-10-31 22:05:42,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:42,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:42,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:42,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:42,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:42,525 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 664 out of 706 [2024-10-31 22:05:42,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 650 places, 655 transitions, 1318 flow. Second operand has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 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 22:05:42,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:42,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 664 of 706 [2024-10-31 22:05:42,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:42,731 INFO L124 PetriNetUnfolderBase]: 18/873 cut-off events. [2024-10-31 22:05:42,731 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-10-31 22:05:42,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 909 conditions, 873 events. 18/873 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3104 event pairs, 6 based on Foata normal form. 0/747 useless extension candidates. Maximal degree in co-relation 827. Up to 28 conditions per place. [2024-10-31 22:05:42,747 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 14 selfloop transitions, 2 changer transitions 0/654 dead transitions. [2024-10-31 22:05:42,747 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 651 places, 654 transitions, 1348 flow [2024-10-31 22:05:42,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:42,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:42,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2009 transitions. [2024-10-31 22:05:42,755 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9485363550519358 [2024-10-31 22:05:42,756 INFO L175 Difference]: Start difference. First operand has 650 places, 655 transitions, 1318 flow. Second operand 3 states and 2009 transitions. [2024-10-31 22:05:42,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 651 places, 654 transitions, 1348 flow [2024-10-31 22:05:42,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 654 transitions, 1344 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:42,791 INFO L231 Difference]: Finished difference. Result has 649 places, 654 transitions, 1316 flow [2024-10-31 22:05:42,792 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1312, PETRI_DIFFERENCE_MINUEND_PLACES=647, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=654, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=652, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1316, PETRI_PLACES=649, PETRI_TRANSITIONS=654} [2024-10-31 22:05:42,792 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -13 predicate places. [2024-10-31 22:05:42,794 INFO L471 AbstractCegarLoop]: Abstraction has has 649 places, 654 transitions, 1316 flow [2024-10-31 22:05:42,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 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 22:05:42,797 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:42,797 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] [2024-10-31 22:05:42,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:05:42,797 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:42,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:42,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1077315636, now seen corresponding path program 1 times [2024-10-31 22:05:42,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:42,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063857854] [2024-10-31 22:05:42,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:42,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:42,909 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 22:05:42,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:42,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063857854] [2024-10-31 22:05:42,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063857854] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:42,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:42,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:42,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963095179] [2024-10-31 22:05:42,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:42,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:42,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:42,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:42,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:42,939 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 668 out of 706 [2024-10-31 22:05:42,943 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 649 places, 654 transitions, 1316 flow. Second operand has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 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 22:05:42,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:42,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 668 of 706 [2024-10-31 22:05:42,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:43,207 INFO L124 PetriNetUnfolderBase]: 17/1083 cut-off events. [2024-10-31 22:05:43,207 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:05:43,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1111 conditions, 1083 events. 17/1083 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 4826 event pairs, 3 based on Foata normal form. 0/925 useless extension candidates. Maximal degree in co-relation 1021. Up to 19 conditions per place. [2024-10-31 22:05:43,219 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 10 selfloop transitions, 2 changer transitions 0/653 dead transitions. [2024-10-31 22:05:43,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 650 places, 653 transitions, 1338 flow [2024-10-31 22:05:43,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:43,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:43,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2017 transitions. [2024-10-31 22:05:43,224 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9523135033050047 [2024-10-31 22:05:43,225 INFO L175 Difference]: Start difference. First operand has 649 places, 654 transitions, 1316 flow. Second operand 3 states and 2017 transitions. [2024-10-31 22:05:43,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 650 places, 653 transitions, 1338 flow [2024-10-31 22:05:43,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 648 places, 653 transitions, 1334 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:43,236 INFO L231 Difference]: Finished difference. Result has 648 places, 653 transitions, 1314 flow [2024-10-31 22:05:43,237 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1310, PETRI_DIFFERENCE_MINUEND_PLACES=646, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=653, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=651, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1314, PETRI_PLACES=648, PETRI_TRANSITIONS=653} [2024-10-31 22:05:43,238 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -14 predicate places. [2024-10-31 22:05:43,238 INFO L471 AbstractCegarLoop]: Abstraction has has 648 places, 653 transitions, 1314 flow [2024-10-31 22:05:43,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 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 22:05:43,240 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:43,241 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] [2024-10-31 22:05:43,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:05:43,241 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:43,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:43,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1233095483, now seen corresponding path program 1 times [2024-10-31 22:05:43,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:43,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850612699] [2024-10-31 22:05:43,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:43,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:43,304 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 22:05:43,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:43,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850612699] [2024-10-31 22:05:43,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850612699] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:43,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:43,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:43,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153916351] [2024-10-31 22:05:43,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:43,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:43,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:43,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:43,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:43,336 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 668 out of 706 [2024-10-31 22:05:43,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 648 places, 653 transitions, 1314 flow. Second operand has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 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 22:05:43,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:43,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 668 of 706 [2024-10-31 22:05:43,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:43,691 INFO L124 PetriNetUnfolderBase]: 29/1717 cut-off events. [2024-10-31 22:05:43,691 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-31 22:05:43,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1759 conditions, 1717 events. 29/1717 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 9696 event pairs, 8 based on Foata normal form. 0/1462 useless extension candidates. Maximal degree in co-relation 1661. Up to 32 conditions per place. [2024-10-31 22:05:43,709 INFO L140 encePairwiseOnDemand]: 702/706 looper letters, 10 selfloop transitions, 1 changer transitions 0/650 dead transitions. [2024-10-31 22:05:43,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 650 transitions, 1330 flow [2024-10-31 22:05:43,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:43,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:43,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2018 transitions. [2024-10-31 22:05:43,714 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9527856468366384 [2024-10-31 22:05:43,714 INFO L175 Difference]: Start difference. First operand has 648 places, 653 transitions, 1314 flow. Second operand 3 states and 2018 transitions. [2024-10-31 22:05:43,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 650 transitions, 1330 flow [2024-10-31 22:05:43,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 645 places, 650 transitions, 1326 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:43,726 INFO L231 Difference]: Finished difference. Result has 645 places, 650 transitions, 1306 flow [2024-10-31 22:05:43,727 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1304, PETRI_DIFFERENCE_MINUEND_PLACES=643, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=650, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=649, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1306, PETRI_PLACES=645, PETRI_TRANSITIONS=650} [2024-10-31 22:05:43,729 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -17 predicate places. [2024-10-31 22:05:43,730 INFO L471 AbstractCegarLoop]: Abstraction has has 645 places, 650 transitions, 1306 flow [2024-10-31 22:05:43,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 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 22:05:43,732 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:43,732 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] [2024-10-31 22:05:43,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:05:43,732 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:43,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:43,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1541767593, now seen corresponding path program 1 times [2024-10-31 22:05:43,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:43,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672881611] [2024-10-31 22:05:43,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:43,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:44,608 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 22:05:44,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:44,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672881611] [2024-10-31 22:05:44,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672881611] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:44,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:44,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:05:44,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039005828] [2024-10-31 22:05:44,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:44,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:05:44,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:44,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:05:44,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:05:44,842 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 640 out of 706 [2024-10-31 22:05:44,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 645 places, 650 transitions, 1306 flow. Second operand has 6 states, 6 states have (on average 641.5) internal successors, (3849), 6 states have internal predecessors, (3849), 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 22:05:44,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:44,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 640 of 706 [2024-10-31 22:05:44,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:45,872 INFO L124 PetriNetUnfolderBase]: 244/4163 cut-off events. [2024-10-31 22:05:45,873 INFO L125 PetriNetUnfolderBase]: For 30/31 co-relation queries the response was YES. [2024-10-31 22:05:45,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4606 conditions, 4163 events. 244/4163 cut-off events. For 30/31 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 32057 event pairs, 168 based on Foata normal form. 0/3508 useless extension candidates. Maximal degree in co-relation 4509. Up to 421 conditions per place. [2024-10-31 22:05:45,911 INFO L140 encePairwiseOnDemand]: 700/706 looper letters, 36 selfloop transitions, 5 changer transitions 0/649 dead transitions. [2024-10-31 22:05:45,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 649 places, 649 transitions, 1386 flow [2024-10-31 22:05:45,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:05:45,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:05:45,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3882 transitions. [2024-10-31 22:05:45,922 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9164305949008499 [2024-10-31 22:05:45,922 INFO L175 Difference]: Start difference. First operand has 645 places, 650 transitions, 1306 flow. Second operand 6 states and 3882 transitions. [2024-10-31 22:05:45,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 649 places, 649 transitions, 1386 flow [2024-10-31 22:05:45,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 648 places, 649 transitions, 1385 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:05:45,936 INFO L231 Difference]: Finished difference. Result has 648 places, 649 transitions, 1313 flow [2024-10-31 22:05:45,938 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1303, PETRI_DIFFERENCE_MINUEND_PLACES=643, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=649, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=644, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1313, PETRI_PLACES=648, PETRI_TRANSITIONS=649} [2024-10-31 22:05:45,939 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -14 predicate places. [2024-10-31 22:05:45,939 INFO L471 AbstractCegarLoop]: Abstraction has has 648 places, 649 transitions, 1313 flow [2024-10-31 22:05:45,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 641.5) internal successors, (3849), 6 states have internal predecessors, (3849), 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 22:05:45,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:45,944 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] [2024-10-31 22:05:45,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:05:45,944 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:45,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:45,945 INFO L85 PathProgramCache]: Analyzing trace with hash -771150762, now seen corresponding path program 1 times [2024-10-31 22:05:45,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:45,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163987416] [2024-10-31 22:05:45,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:45,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:46,027 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 22:05:46,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:46,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163987416] [2024-10-31 22:05:46,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163987416] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:46,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:46,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:46,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880888061] [2024-10-31 22:05:46,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:46,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:46,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:46,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:46,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:46,078 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 665 out of 706 [2024-10-31 22:05:46,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 648 places, 649 transitions, 1313 flow. Second operand has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 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 22:05:46,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:46,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 665 of 706 [2024-10-31 22:05:46,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:46,468 INFO L124 PetriNetUnfolderBase]: 34/1521 cut-off events. [2024-10-31 22:05:46,468 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-10-31 22:05:46,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1582 conditions, 1521 events. 34/1521 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7600 event pairs, 15 based on Foata normal form. 0/1298 useless extension candidates. Maximal degree in co-relation 1564. Up to 46 conditions per place. [2024-10-31 22:05:46,490 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 13 selfloop transitions, 2 changer transitions 0/648 dead transitions. [2024-10-31 22:05:46,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 649 places, 648 transitions, 1341 flow [2024-10-31 22:05:46,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:46,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:46,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2011 transitions. [2024-10-31 22:05:46,495 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.949480642115203 [2024-10-31 22:05:46,496 INFO L175 Difference]: Start difference. First operand has 648 places, 649 transitions, 1313 flow. Second operand 3 states and 2011 transitions. [2024-10-31 22:05:46,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 649 places, 648 transitions, 1341 flow [2024-10-31 22:05:46,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 644 places, 648 transitions, 1331 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:05:46,507 INFO L231 Difference]: Finished difference. Result has 644 places, 648 transitions, 1305 flow [2024-10-31 22:05:46,508 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1301, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=648, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=646, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1305, PETRI_PLACES=644, PETRI_TRANSITIONS=648} [2024-10-31 22:05:46,509 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -18 predicate places. [2024-10-31 22:05:46,509 INFO L471 AbstractCegarLoop]: Abstraction has has 644 places, 648 transitions, 1305 flow [2024-10-31 22:05:46,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 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 22:05:46,512 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:46,513 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] [2024-10-31 22:05:46,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:05:46,513 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:46,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:46,513 INFO L85 PathProgramCache]: Analyzing trace with hash 421043245, now seen corresponding path program 1 times [2024-10-31 22:05:46,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:46,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602926698] [2024-10-31 22:05:46,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:46,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:46,559 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 22:05:46,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:46,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602926698] [2024-10-31 22:05:46,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602926698] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:46,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:46,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:46,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656163591] [2024-10-31 22:05:46,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:46,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:46,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:46,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:46,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:46,620 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 645 out of 706 [2024-10-31 22:05:46,623 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 644 places, 648 transitions, 1305 flow. Second operand has 3 states, 3 states have (on average 646.0) internal successors, (1938), 3 states have internal predecessors, (1938), 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 22:05:46,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:46,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 645 of 706 [2024-10-31 22:05:46,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:46,928 INFO L124 PetriNetUnfolderBase]: 28/1297 cut-off events. [2024-10-31 22:05:46,928 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-31 22:05:46,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1366 conditions, 1297 events. 28/1297 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 6709 event pairs, 8 based on Foata normal form. 0/1124 useless extension candidates. Maximal degree in co-relation 1268. Up to 44 conditions per place. [2024-10-31 22:05:46,944 INFO L140 encePairwiseOnDemand]: 691/706 looper letters, 25 selfloop transitions, 5 changer transitions 0/641 dead transitions. [2024-10-31 22:05:46,944 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 636 places, 641 transitions, 1352 flow [2024-10-31 22:05:46,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:46,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:46,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1975 transitions. [2024-10-31 22:05:46,949 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9324834749763928 [2024-10-31 22:05:46,949 INFO L175 Difference]: Start difference. First operand has 644 places, 648 transitions, 1305 flow. Second operand 3 states and 1975 transitions. [2024-10-31 22:05:46,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 636 places, 641 transitions, 1352 flow [2024-10-31 22:05:46,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 634 places, 641 transitions, 1348 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:46,962 INFO L231 Difference]: Finished difference. Result has 635 places, 640 transitions, 1304 flow [2024-10-31 22:05:46,963 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1281, PETRI_DIFFERENCE_MINUEND_PLACES=632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=638, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=633, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1304, PETRI_PLACES=635, PETRI_TRANSITIONS=640} [2024-10-31 22:05:46,964 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -27 predicate places. [2024-10-31 22:05:46,964 INFO L471 AbstractCegarLoop]: Abstraction has has 635 places, 640 transitions, 1304 flow [2024-10-31 22:05:46,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 646.0) internal successors, (1938), 3 states have internal predecessors, (1938), 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 22:05:46,966 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:46,967 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] [2024-10-31 22:05:46,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:05:46,967 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:46,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:46,967 INFO L85 PathProgramCache]: Analyzing trace with hash 895675511, now seen corresponding path program 1 times [2024-10-31 22:05:46,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:46,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019778393] [2024-10-31 22:05:46,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:46,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:47,012 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 22:05:47,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:47,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019778393] [2024-10-31 22:05:47,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019778393] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:47,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:47,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:47,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953956687] [2024-10-31 22:05:47,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:47,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:47,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:47,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:47,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:47,052 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 660 out of 706 [2024-10-31 22:05:47,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 640 transitions, 1304 flow. Second operand has 3 states, 3 states have (on average 661.0) internal successors, (1983), 3 states have internal predecessors, (1983), 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 22:05:47,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:47,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 660 of 706 [2024-10-31 22:05:47,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:47,256 INFO L124 PetriNetUnfolderBase]: 25/876 cut-off events. [2024-10-31 22:05:47,256 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES. [2024-10-31 22:05:47,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 933 conditions, 876 events. 25/876 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3209 event pairs, 8 based on Foata normal form. 0/768 useless extension candidates. Maximal degree in co-relation 835. Up to 34 conditions per place. [2024-10-31 22:05:47,271 INFO L140 encePairwiseOnDemand]: 696/706 looper letters, 15 selfloop transitions, 5 changer transitions 0/638 dead transitions. [2024-10-31 22:05:47,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 632 places, 638 transitions, 1341 flow [2024-10-31 22:05:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:47,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:47,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2005 transitions. [2024-10-31 22:05:47,277 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9466477809254014 [2024-10-31 22:05:47,277 INFO L175 Difference]: Start difference. First operand has 635 places, 640 transitions, 1304 flow. Second operand 3 states and 2005 transitions. [2024-10-31 22:05:47,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 632 places, 638 transitions, 1341 flow [2024-10-31 22:05:47,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 631 places, 638 transitions, 1336 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:05:47,292 INFO L231 Difference]: Finished difference. Result has 632 places, 637 transitions, 1312 flow [2024-10-31 22:05:47,293 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1289, PETRI_DIFFERENCE_MINUEND_PLACES=629, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=635, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=630, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1312, PETRI_PLACES=632, PETRI_TRANSITIONS=637} [2024-10-31 22:05:47,295 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -30 predicate places. [2024-10-31 22:05:47,295 INFO L471 AbstractCegarLoop]: Abstraction has has 632 places, 637 transitions, 1312 flow [2024-10-31 22:05:47,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 661.0) internal successors, (1983), 3 states have internal predecessors, (1983), 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 22:05:47,297 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:47,297 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] [2024-10-31 22:05:47,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:05:47,297 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:47,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:47,298 INFO L85 PathProgramCache]: Analyzing trace with hash -582735692, now seen corresponding path program 1 times [2024-10-31 22:05:47,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:47,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894708229] [2024-10-31 22:05:47,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:47,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:47,345 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 22:05:47,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:47,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894708229] [2024-10-31 22:05:47,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894708229] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:47,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:47,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:47,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425964426] [2024-10-31 22:05:47,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:47,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:47,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:47,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:47,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:47,379 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 663 out of 706 [2024-10-31 22:05:47,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 632 places, 637 transitions, 1312 flow. Second operand has 3 states, 3 states have (on average 664.0) internal successors, (1992), 3 states have internal predecessors, (1992), 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 22:05:47,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:47,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 663 of 706 [2024-10-31 22:05:47,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:47,760 INFO L124 PetriNetUnfolderBase]: 40/1573 cut-off events. [2024-10-31 22:05:47,761 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2024-10-31 22:05:47,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1677 conditions, 1573 events. 40/1573 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 7279 event pairs, 2 based on Foata normal form. 0/1373 useless extension candidates. Maximal degree in co-relation 1578. Up to 30 conditions per place. [2024-10-31 22:05:47,792 INFO L140 encePairwiseOnDemand]: 696/706 looper letters, 13 selfloop transitions, 6 changer transitions 0/637 dead transitions. [2024-10-31 22:05:47,792 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 630 places, 637 transitions, 1352 flow [2024-10-31 22:05:47,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:47,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:47,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2012 transitions. [2024-10-31 22:05:47,797 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9499527856468366 [2024-10-31 22:05:47,798 INFO L175 Difference]: Start difference. First operand has 632 places, 637 transitions, 1312 flow. Second operand 3 states and 2012 transitions. [2024-10-31 22:05:47,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 630 places, 637 transitions, 1352 flow [2024-10-31 22:05:47,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 629 places, 637 transitions, 1347 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:05:47,810 INFO L231 Difference]: Finished difference. Result has 630 places, 635 transitions, 1325 flow [2024-10-31 22:05:47,811 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1299, PETRI_DIFFERENCE_MINUEND_PLACES=627, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=633, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=627, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1325, PETRI_PLACES=630, PETRI_TRANSITIONS=635} [2024-10-31 22:05:47,812 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -32 predicate places. [2024-10-31 22:05:47,812 INFO L471 AbstractCegarLoop]: Abstraction has has 630 places, 635 transitions, 1325 flow [2024-10-31 22:05:47,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 664.0) internal successors, (1992), 3 states have internal predecessors, (1992), 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 22:05:47,813 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:47,813 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] [2024-10-31 22:05:47,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 22:05:47,814 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:47,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:47,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1528377432, now seen corresponding path program 1 times [2024-10-31 22:05:47,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:47,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413543769] [2024-10-31 22:05:47,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:47,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:47,858 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 22:05:47,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:47,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413543769] [2024-10-31 22:05:47,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413543769] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:47,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:47,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:47,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346898004] [2024-10-31 22:05:47,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:47,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:47,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:47,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:47,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:47,890 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 663 out of 706 [2024-10-31 22:05:47,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 630 places, 635 transitions, 1325 flow. Second operand has 3 states, 3 states have (on average 664.0) internal successors, (1992), 3 states have internal predecessors, (1992), 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 22:05:47,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:47,893 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 663 of 706 [2024-10-31 22:05:47,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:48,406 INFO L124 PetriNetUnfolderBase]: 53/1813 cut-off events. [2024-10-31 22:05:48,406 INFO L125 PetriNetUnfolderBase]: For 15/17 co-relation queries the response was YES. [2024-10-31 22:05:48,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1951 conditions, 1813 events. 53/1813 cut-off events. For 15/17 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10980 event pairs, 2 based on Foata normal form. 1/1588 useless extension candidates. Maximal degree in co-relation 1851. Up to 43 conditions per place. [2024-10-31 22:05:48,464 INFO L140 encePairwiseOnDemand]: 696/706 looper letters, 12 selfloop transitions, 5 changer transitions 4/636 dead transitions. [2024-10-31 22:05:48,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 628 places, 636 transitions, 1368 flow [2024-10-31 22:05:48,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:48,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:48,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2012 transitions. [2024-10-31 22:05:48,472 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9499527856468366 [2024-10-31 22:05:48,472 INFO L175 Difference]: Start difference. First operand has 630 places, 635 transitions, 1325 flow. Second operand 3 states and 2012 transitions. [2024-10-31 22:05:48,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 628 places, 636 transitions, 1368 flow [2024-10-31 22:05:48,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 627 places, 636 transitions, 1362 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:05:48,487 INFO L231 Difference]: Finished difference. Result has 628 places, 629 transitions, 1323 flow [2024-10-31 22:05:48,487 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1311, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=631, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=626, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1323, PETRI_PLACES=628, PETRI_TRANSITIONS=629} [2024-10-31 22:05:48,488 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -34 predicate places. [2024-10-31 22:05:48,488 INFO L471 AbstractCegarLoop]: Abstraction has has 628 places, 629 transitions, 1323 flow [2024-10-31 22:05:48,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 664.0) internal successors, (1992), 3 states have internal predecessors, (1992), 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 22:05:48,489 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:48,492 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] [2024-10-31 22:05:48,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 22:05:48,492 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:48,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:48,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1829852726, now seen corresponding path program 1 times [2024-10-31 22:05:48,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:48,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848892596] [2024-10-31 22:05:48,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:48,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,555 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 22:05:48,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:48,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848892596] [2024-10-31 22:05:48,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848892596] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:48,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:48,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:48,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688689495] [2024-10-31 22:05:48,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:48,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:48,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:48,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:48,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:48,593 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 658 out of 706 [2024-10-31 22:05:48,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 629 transitions, 1323 flow. Second operand has 3 states, 3 states have (on average 659.0) internal successors, (1977), 3 states have internal predecessors, (1977), 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 22:05:48,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:48,596 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 658 of 706 [2024-10-31 22:05:48,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:49,551 INFO L124 PetriNetUnfolderBase]: 129/3255 cut-off events. [2024-10-31 22:05:49,551 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-31 22:05:49,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3660 conditions, 3255 events. 129/3255 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 25019 event pairs, 4 based on Foata normal form. 0/2879 useless extension candidates. Maximal degree in co-relation 3559. Up to 158 conditions per place. [2024-10-31 22:05:49,614 INFO L140 encePairwiseOnDemand]: 697/706 looper letters, 17 selfloop transitions, 3 changer transitions 0/626 dead transitions. [2024-10-31 22:05:49,614 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 620 places, 626 transitions, 1359 flow [2024-10-31 22:05:49,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:49,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:49,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2000 transitions. [2024-10-31 22:05:49,620 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9442870632672332 [2024-10-31 22:05:49,621 INFO L175 Difference]: Start difference. First operand has 628 places, 629 transitions, 1323 flow. Second operand 3 states and 2000 transitions. [2024-10-31 22:05:49,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 620 places, 626 transitions, 1359 flow [2024-10-31 22:05:49,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 619 places, 626 transitions, 1354 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:05:49,637 INFO L231 Difference]: Finished difference. Result has 620 places, 624 transitions, 1319 flow [2024-10-31 22:05:49,638 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1306, PETRI_DIFFERENCE_MINUEND_PLACES=617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=623, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1319, PETRI_PLACES=620, PETRI_TRANSITIONS=624} [2024-10-31 22:05:49,639 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -42 predicate places. [2024-10-31 22:05:49,639 INFO L471 AbstractCegarLoop]: Abstraction has has 620 places, 624 transitions, 1319 flow [2024-10-31 22:05:49,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 659.0) internal successors, (1977), 3 states have internal predecessors, (1977), 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 22:05:49,640 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:49,641 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] [2024-10-31 22:05:49,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-31 22:05:49,641 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:49,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:49,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1686688577, now seen corresponding path program 1 times [2024-10-31 22:05:49,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:49,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583033528] [2024-10-31 22:05:49,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:49,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,693 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 22:05:49,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:49,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583033528] [2024-10-31 22:05:49,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583033528] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:49,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:49,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:49,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409508215] [2024-10-31 22:05:49,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:49,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:49,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:49,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:49,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:49,738 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 658 out of 706 [2024-10-31 22:05:49,741 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 620 places, 624 transitions, 1319 flow. Second operand has 3 states, 3 states have (on average 659.0) internal successors, (1977), 3 states have internal predecessors, (1977), 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 22:05:49,741 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:49,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 658 of 706 [2024-10-31 22:05:49,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:50,613 INFO L124 PetriNetUnfolderBase]: 122/3768 cut-off events. [2024-10-31 22:05:50,613 INFO L125 PetriNetUnfolderBase]: For 36/40 co-relation queries the response was YES. [2024-10-31 22:05:50,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4229 conditions, 3768 events. 122/3768 cut-off events. For 36/40 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 31107 event pairs, 20 based on Foata normal form. 0/3397 useless extension candidates. Maximal degree in co-relation 4127. Up to 176 conditions per place. [2024-10-31 22:05:50,654 INFO L140 encePairwiseOnDemand]: 697/706 looper letters, 18 selfloop transitions, 3 changer transitions 0/622 dead transitions. [2024-10-31 22:05:50,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 616 places, 622 transitions, 1360 flow [2024-10-31 22:05:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:50,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:50,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2001 transitions. [2024-10-31 22:05:50,659 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9447592067988668 [2024-10-31 22:05:50,659 INFO L175 Difference]: Start difference. First operand has 620 places, 624 transitions, 1319 flow. Second operand 3 states and 2001 transitions. [2024-10-31 22:05:50,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 616 places, 622 transitions, 1360 flow [2024-10-31 22:05:50,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 615 places, 622 transitions, 1357 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:05:50,671 INFO L231 Difference]: Finished difference. Result has 616 places, 619 transitions, 1317 flow [2024-10-31 22:05:50,672 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1304, PETRI_DIFFERENCE_MINUEND_PLACES=613, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=618, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=615, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1317, PETRI_PLACES=616, PETRI_TRANSITIONS=619} [2024-10-31 22:05:50,672 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -46 predicate places. [2024-10-31 22:05:50,673 INFO L471 AbstractCegarLoop]: Abstraction has has 616 places, 619 transitions, 1317 flow [2024-10-31 22:05:50,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 659.0) internal successors, (1977), 3 states have internal predecessors, (1977), 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 22:05:50,673 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:50,674 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:50,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-31 22:05:50,674 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:50,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:50,674 INFO L85 PathProgramCache]: Analyzing trace with hash 134985541, now seen corresponding path program 1 times [2024-10-31 22:05:50,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:50,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106596977] [2024-10-31 22:05:50,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:50,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,721 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 22:05:50,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:50,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106596977] [2024-10-31 22:05:50,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106596977] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:50,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:50,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:50,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545589719] [2024-10-31 22:05:50,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:50,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:50,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:50,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:50,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:50,757 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 659 out of 706 [2024-10-31 22:05:50,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 616 places, 619 transitions, 1317 flow. Second operand has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 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 22:05:50,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:50,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 659 of 706 [2024-10-31 22:05:50,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:52,921 INFO L124 PetriNetUnfolderBase]: 354/9609 cut-off events. [2024-10-31 22:05:52,922 INFO L125 PetriNetUnfolderBase]: For 59/63 co-relation queries the response was YES. [2024-10-31 22:05:52,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10800 conditions, 9609 events. 354/9609 cut-off events. For 59/63 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 98014 event pairs, 88 based on Foata normal form. 0/8697 useless extension candidates. Maximal degree in co-relation 10698. Up to 467 conditions per place. [2024-10-31 22:05:53,016 INFO L140 encePairwiseOnDemand]: 698/706 looper letters, 18 selfloop transitions, 2 changer transitions 0/617 dead transitions. [2024-10-31 22:05:53,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 612 places, 617 transitions, 1355 flow [2024-10-31 22:05:53,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:53,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:53,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2003 transitions. [2024-10-31 22:05:53,025 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.945703493862134 [2024-10-31 22:05:53,025 INFO L175 Difference]: Start difference. First operand has 616 places, 619 transitions, 1317 flow. Second operand 3 states and 2003 transitions. [2024-10-31 22:05:53,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 612 places, 617 transitions, 1355 flow [2024-10-31 22:05:53,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 611 places, 617 transitions, 1352 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:05:53,054 INFO L231 Difference]: Finished difference. Result has 612 places, 615 transitions, 1316 flow [2024-10-31 22:05:53,055 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1302, PETRI_DIFFERENCE_MINUEND_PLACES=609, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=613, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=611, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1316, PETRI_PLACES=612, PETRI_TRANSITIONS=615} [2024-10-31 22:05:53,056 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -50 predicate places. [2024-10-31 22:05:53,056 INFO L471 AbstractCegarLoop]: Abstraction has has 612 places, 615 transitions, 1316 flow [2024-10-31 22:05:53,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 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 22:05:53,057 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:53,057 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] [2024-10-31 22:05:53,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-31 22:05:53,057 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:53,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:53,062 INFO L85 PathProgramCache]: Analyzing trace with hash 168202096, now seen corresponding path program 1 times [2024-10-31 22:05:53,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:53,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026551636] [2024-10-31 22:05:53,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:53,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:53,723 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 22:05:53,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:53,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026551636] [2024-10-31 22:05:53,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026551636] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:53,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:53,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:05:53,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9975055] [2024-10-31 22:05:53,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:53,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:05:53,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:53,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:05:53,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:05:54,206 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 651 out of 706 [2024-10-31 22:05:54,210 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 612 places, 615 transitions, 1316 flow. Second operand has 6 states, 6 states have (on average 652.6666666666666) internal successors, (3916), 6 states have internal predecessors, (3916), 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 22:05:54,210 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:54,210 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 651 of 706 [2024-10-31 22:05:54,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:55,669 INFO L124 PetriNetUnfolderBase]: 233/5969 cut-off events. [2024-10-31 22:05:55,669 INFO L125 PetriNetUnfolderBase]: For 8/16 co-relation queries the response was YES. [2024-10-31 22:05:55,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6890 conditions, 5969 events. 233/5969 cut-off events. For 8/16 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 52379 event pairs, 8 based on Foata normal form. 0/5473 useless extension candidates. Maximal degree in co-relation 6784. Up to 228 conditions per place. [2024-10-31 22:05:55,784 INFO L140 encePairwiseOnDemand]: 698/706 looper letters, 26 selfloop transitions, 5 changer transitions 0/616 dead transitions. [2024-10-31 22:05:55,784 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 614 places, 616 transitions, 1384 flow [2024-10-31 22:05:55,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:05:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:05:55,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3940 transitions. [2024-10-31 22:05:55,794 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9301227573182247 [2024-10-31 22:05:55,795 INFO L175 Difference]: Start difference. First operand has 612 places, 615 transitions, 1316 flow. Second operand 6 states and 3940 transitions. [2024-10-31 22:05:55,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 614 places, 616 transitions, 1384 flow [2024-10-31 22:05:55,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 614 places, 616 transitions, 1384 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:05:55,809 INFO L231 Difference]: Finished difference. Result has 614 places, 612 transitions, 1320 flow [2024-10-31 22:05:55,809 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1310, PETRI_DIFFERENCE_MINUEND_PLACES=609, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=612, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=607, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1320, PETRI_PLACES=614, PETRI_TRANSITIONS=612} [2024-10-31 22:05:55,810 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -48 predicate places. [2024-10-31 22:05:55,810 INFO L471 AbstractCegarLoop]: Abstraction has has 614 places, 612 transitions, 1320 flow [2024-10-31 22:05:55,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 652.6666666666666) internal successors, (3916), 6 states have internal predecessors, (3916), 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 22:05:55,812 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:55,812 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] [2024-10-31 22:05:55,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-31 22:05:55,812 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:55,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:55,813 INFO L85 PathProgramCache]: Analyzing trace with hash -774491270, now seen corresponding path program 1 times [2024-10-31 22:05:55,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:55,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445033885] [2024-10-31 22:05:55,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:55,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:56,553 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 22:05:56,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:56,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445033885] [2024-10-31 22:05:56,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445033885] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:56,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:56,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:05:56,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617730508] [2024-10-31 22:05:56,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:56,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:05:56,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:56,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:05:56,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:05:57,035 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 651 out of 706 [2024-10-31 22:05:57,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 614 places, 612 transitions, 1320 flow. Second operand has 6 states, 6 states have (on average 652.8333333333334) internal successors, (3917), 6 states have internal predecessors, (3917), 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 22:05:57,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:57,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 651 of 706 [2024-10-31 22:05:57,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:58,041 INFO L124 PetriNetUnfolderBase]: 160/4614 cut-off events. [2024-10-31 22:05:58,041 INFO L125 PetriNetUnfolderBase]: For 62/70 co-relation queries the response was YES. [2024-10-31 22:05:58,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5331 conditions, 4614 events. 160/4614 cut-off events. For 62/70 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 39444 event pairs, 0 based on Foata normal form. 0/4242 useless extension candidates. Maximal degree in co-relation 5224. Up to 171 conditions per place. [2024-10-31 22:05:58,086 INFO L140 encePairwiseOnDemand]: 698/706 looper letters, 26 selfloop transitions, 5 changer transitions 0/613 dead transitions. [2024-10-31 22:05:58,086 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 616 places, 613 transitions, 1388 flow [2024-10-31 22:05:58,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:05:58,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:05:58,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3940 transitions. [2024-10-31 22:05:58,094 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9301227573182247 [2024-10-31 22:05:58,094 INFO L175 Difference]: Start difference. First operand has 614 places, 612 transitions, 1320 flow. Second operand 6 states and 3940 transitions. [2024-10-31 22:05:58,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 616 places, 613 transitions, 1388 flow [2024-10-31 22:05:58,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 611 places, 613 transitions, 1378 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:05:58,105 INFO L231 Difference]: Finished difference. Result has 611 places, 609 transitions, 1314 flow [2024-10-31 22:05:58,106 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1304, PETRI_DIFFERENCE_MINUEND_PLACES=606, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=609, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=604, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1314, PETRI_PLACES=611, PETRI_TRANSITIONS=609} [2024-10-31 22:05:58,106 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -51 predicate places. [2024-10-31 22:05:58,107 INFO L471 AbstractCegarLoop]: Abstraction has has 611 places, 609 transitions, 1314 flow [2024-10-31 22:05:58,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 652.8333333333334) internal successors, (3917), 6 states have internal predecessors, (3917), 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 22:05:58,108 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:58,108 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] [2024-10-31 22:05:58,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-31 22:05:58,109 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:58,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:58,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1718719399, now seen corresponding path program 1 times [2024-10-31 22:05:58,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:58,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674697444] [2024-10-31 22:05:58,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:58,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:58,163 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 22:05:58,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:58,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674697444] [2024-10-31 22:05:58,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674697444] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:58,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:58,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:58,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251339252] [2024-10-31 22:05:58,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:58,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:58,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:58,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:58,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:58,205 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 667 out of 706 [2024-10-31 22:05:58,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 611 places, 609 transitions, 1314 flow. Second operand has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 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 22:05:58,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:58,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 667 of 706 [2024-10-31 22:05:58,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:59,588 INFO L124 PetriNetUnfolderBase]: 208/6152 cut-off events. [2024-10-31 22:05:59,588 INFO L125 PetriNetUnfolderBase]: For 73/73 co-relation queries the response was YES. [2024-10-31 22:05:59,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7074 conditions, 6152 events. 208/6152 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 53513 event pairs, 32 based on Foata normal form. 0/5663 useless extension candidates. Maximal degree in co-relation 6969. Up to 163 conditions per place. [2024-10-31 22:05:59,702 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 13 selfloop transitions, 2 changer transitions 0/609 dead transitions. [2024-10-31 22:05:59,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 612 places, 609 transitions, 1345 flow [2024-10-31 22:05:59,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:59,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2015 transitions. [2024-10-31 22:05:59,707 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9513692162417375 [2024-10-31 22:05:59,707 INFO L175 Difference]: Start difference. First operand has 611 places, 609 transitions, 1314 flow. Second operand 3 states and 2015 transitions. [2024-10-31 22:05:59,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 612 places, 609 transitions, 1345 flow [2024-10-31 22:05:59,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 607 places, 609 transitions, 1335 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:05:59,720 INFO L231 Difference]: Finished difference. Result has 607 places, 608 transitions, 1306 flow [2024-10-31 22:05:59,721 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1302, PETRI_DIFFERENCE_MINUEND_PLACES=605, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=608, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=606, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1306, PETRI_PLACES=607, PETRI_TRANSITIONS=608} [2024-10-31 22:05:59,721 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -55 predicate places. [2024-10-31 22:05:59,722 INFO L471 AbstractCegarLoop]: Abstraction has has 607 places, 608 transitions, 1306 flow [2024-10-31 22:05:59,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 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 22:05:59,723 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:59,723 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] [2024-10-31 22:05:59,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-31 22:05:59,724 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:05:59,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:59,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1621160215, now seen corresponding path program 1 times [2024-10-31 22:05:59,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:59,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977117262] [2024-10-31 22:05:59,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:59,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:59,820 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 22:05:59,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:59,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977117262] [2024-10-31 22:05:59,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977117262] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:59,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:59,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:59,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627236053] [2024-10-31 22:05:59,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:59,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:59,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:59,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:59,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:59,833 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 674 out of 706 [2024-10-31 22:05:59,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 608 transitions, 1306 flow. Second operand has 3 states, 3 states have (on average 675.3333333333334) internal successors, (2026), 3 states have internal predecessors, (2026), 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 22:05:59,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:59,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 674 of 706 [2024-10-31 22:05:59,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:06:01,060 INFO L124 PetriNetUnfolderBase]: 145/6333 cut-off events. [2024-10-31 22:06:01,060 INFO L125 PetriNetUnfolderBase]: For 20/24 co-relation queries the response was YES. [2024-10-31 22:06:01,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6954 conditions, 6333 events. 145/6333 cut-off events. For 20/24 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 54640 event pairs, 4 based on Foata normal form. 0/5861 useless extension candidates. Maximal degree in co-relation 6849. Up to 68 conditions per place. [2024-10-31 22:06:01,159 INFO L140 encePairwiseOnDemand]: 704/706 looper letters, 8 selfloop transitions, 1 changer transitions 0/610 dead transitions. [2024-10-31 22:06:01,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 608 places, 610 transitions, 1330 flow [2024-10-31 22:06:01,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:06:01,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:06:01,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2032 transitions. [2024-10-31 22:06:01,165 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.959395656279509 [2024-10-31 22:06:01,165 INFO L175 Difference]: Start difference. First operand has 607 places, 608 transitions, 1306 flow. Second operand 3 states and 2032 transitions. [2024-10-31 22:06:01,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 608 places, 610 transitions, 1330 flow [2024-10-31 22:06:01,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 606 places, 610 transitions, 1326 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:06:01,178 INFO L231 Difference]: Finished difference. Result has 607 places, 608 transitions, 1307 flow [2024-10-31 22:06:01,179 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1300, PETRI_DIFFERENCE_MINUEND_PLACES=604, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=606, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1307, PETRI_PLACES=607, PETRI_TRANSITIONS=608} [2024-10-31 22:06:01,179 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -55 predicate places. [2024-10-31 22:06:01,180 INFO L471 AbstractCegarLoop]: Abstraction has has 607 places, 608 transitions, 1307 flow [2024-10-31 22:06:01,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 675.3333333333334) internal successors, (2026), 3 states have internal predecessors, (2026), 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 22:06:01,181 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:06:01,181 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] [2024-10-31 22:06:01,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-31 22:06:01,182 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:06:01,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:01,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1786609, now seen corresponding path program 1 times [2024-10-31 22:06:01,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:01,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859472910] [2024-10-31 22:06:01,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:01,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:01,247 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 22:06:01,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:01,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859472910] [2024-10-31 22:06:01,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859472910] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:01,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:01,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:06:01,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729915385] [2024-10-31 22:06:01,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:01,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:06:01,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:01,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:06:01,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:06:01,291 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 667 out of 706 [2024-10-31 22:06:01,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 607 places, 608 transitions, 1307 flow. Second operand has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 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 22:06:01,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:06:01,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 667 of 706 [2024-10-31 22:06:01,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:06:02,305 INFO L124 PetriNetUnfolderBase]: 143/5379 cut-off events. [2024-10-31 22:06:02,305 INFO L125 PetriNetUnfolderBase]: For 99/107 co-relation queries the response was YES. [2024-10-31 22:06:02,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6026 conditions, 5379 events. 143/5379 cut-off events. For 99/107 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 43295 event pairs, 18 based on Foata normal form. 0/4984 useless extension candidates. Maximal degree in co-relation 5921. Up to 154 conditions per place. [2024-10-31 22:06:02,351 INFO L140 encePairwiseOnDemand]: 703/706 looper letters, 12 selfloop transitions, 2 changer transitions 1/608 dead transitions. [2024-10-31 22:06:02,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 608 places, 608 transitions, 1338 flow [2024-10-31 22:06:02,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:06:02,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:06:02,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2015 transitions. [2024-10-31 22:06:02,356 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9513692162417375 [2024-10-31 22:06:02,356 INFO L175 Difference]: Start difference. First operand has 607 places, 608 transitions, 1307 flow. Second operand 3 states and 2015 transitions. [2024-10-31 22:06:02,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 608 places, 608 transitions, 1338 flow [2024-10-31 22:06:02,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 608 places, 608 transitions, 1338 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:06:02,367 INFO L231 Difference]: Finished difference. Result has 608 places, 607 transitions, 1309 flow [2024-10-31 22:06:02,367 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1305, PETRI_DIFFERENCE_MINUEND_PLACES=606, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=605, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1309, PETRI_PLACES=608, PETRI_TRANSITIONS=607} [2024-10-31 22:06:02,368 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -54 predicate places. [2024-10-31 22:06:02,368 INFO L471 AbstractCegarLoop]: Abstraction has has 608 places, 607 transitions, 1309 flow [2024-10-31 22:06:02,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 669.3333333333334) internal successors, (2008), 3 states have internal predecessors, (2008), 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 22:06:02,369 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:06:02,370 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] [2024-10-31 22:06:02,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-31 22:06:02,370 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:06:02,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:02,371 INFO L85 PathProgramCache]: Analyzing trace with hash -892657165, now seen corresponding path program 1 times [2024-10-31 22:06:02,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:02,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013962918] [2024-10-31 22:06:02,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:02,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:02,434 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 22:06:02,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:02,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013962918] [2024-10-31 22:06:02,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013962918] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:02,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:02,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:06:02,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925643782] [2024-10-31 22:06:02,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:02,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:06:02,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:02,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:06:02,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:06:02,446 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 674 out of 706 [2024-10-31 22:06:02,448 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 607 transitions, 1309 flow. Second operand has 3 states, 3 states have (on average 675.6666666666666) internal successors, (2027), 3 states have internal predecessors, (2027), 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 22:06:02,448 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:06:02,448 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 674 of 706 [2024-10-31 22:06:02,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:06:03,626 INFO L124 PetriNetUnfolderBase]: 135/6249 cut-off events. [2024-10-31 22:06:03,626 INFO L125 PetriNetUnfolderBase]: For 30/38 co-relation queries the response was YES. [2024-10-31 22:06:03,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6859 conditions, 6249 events. 135/6249 cut-off events. For 30/38 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 51965 event pairs, 8 based on Foata normal form. 0/5823 useless extension candidates. Maximal degree in co-relation 6753. Up to 68 conditions per place. [2024-10-31 22:06:03,702 INFO L140 encePairwiseOnDemand]: 704/706 looper letters, 7 selfloop transitions, 1 changer transitions 0/608 dead transitions. [2024-10-31 22:06:03,702 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 609 places, 608 transitions, 1328 flow [2024-10-31 22:06:03,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:06:03,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:06:03,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2031 transitions. [2024-10-31 22:06:03,707 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9589235127478754 [2024-10-31 22:06:03,708 INFO L175 Difference]: Start difference. First operand has 608 places, 607 transitions, 1309 flow. Second operand 3 states and 2031 transitions. [2024-10-31 22:06:03,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 609 places, 608 transitions, 1328 flow [2024-10-31 22:06:03,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 607 places, 608 transitions, 1324 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:06:03,718 INFO L231 Difference]: Finished difference. Result has 608 places, 607 transitions, 1310 flow [2024-10-31 22:06:03,719 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=706, PETRI_DIFFERENCE_MINUEND_FLOW=1303, PETRI_DIFFERENCE_MINUEND_PLACES=605, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=605, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1310, PETRI_PLACES=608, PETRI_TRANSITIONS=607} [2024-10-31 22:06:03,719 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -54 predicate places. [2024-10-31 22:06:03,719 INFO L471 AbstractCegarLoop]: Abstraction has has 608 places, 607 transitions, 1310 flow [2024-10-31 22:06:03,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 675.6666666666666) internal successors, (2027), 3 states have internal predecessors, (2027), 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 22:06:03,720 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:06:03,720 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] [2024-10-31 22:06:03,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-31 22:06:03,721 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 119 more)] === [2024-10-31 22:06:03,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:03,721 INFO L85 PathProgramCache]: Analyzing trace with hash 53670932, now seen corresponding path program 1 times [2024-10-31 22:06:03,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:03,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548817636] [2024-10-31 22:06:03,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:03,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:03,792 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 22:06:03,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:03,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548817636] [2024-10-31 22:06:03,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548817636] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:03,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:03,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:06:03,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67220670] [2024-10-31 22:06:03,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:03,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:06:03,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:03,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:06:03,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:06:03,855 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 667 out of 706 [2024-10-31 22:06:03,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 607 transitions, 1310 flow. Second operand has 3 states, 3 states have (on average 669.0) internal successors, (2007), 3 states have internal predecessors, (2007), 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 22:06:03,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:06:03,859 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 667 of 706 [2024-10-31 22:06:03,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand