./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/fibonacci.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/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_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/fibonacci.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/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_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/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 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:02:00,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:02:01,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:02:01,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:02:01,062 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:02:01,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:02:01,095 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:02:01,096 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:02:01,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:02:01,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:02:01,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:02:01,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:02:01,100 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:02:01,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:02:01,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:02:01,103 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:02:01,104 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:02:01,104 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:02:01,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:02:01,105 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:02:01,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:02:01,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:02:01,110 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:02:01,110 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:02:01,110 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:02:01,110 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:02:01,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:02:01,111 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:02:01,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:02:01,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:02:01,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:02:01,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:02:01,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:02:01,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:02:01,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:02:01,113 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:02:01,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:02:01,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:02:01,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:02:01,115 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:02:01,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:02:01,117 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_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e [2024-10-31 22:02:01,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:02:01,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:02:01,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:02:01,447 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:02:01,448 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:02:01,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/fibonacci.wvr.c Unable to find full path for "g++" [2024-10-31 22:02:03,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:02:03,682 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:02:03,682 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/sv-benchmarks/c/weaver/fibonacci.wvr.c [2024-10-31 22:02:03,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/bin/uautomizer-verify-4GaUIPS5ZU/data/54c461794/ae3c981a7b194418912e8143e9f66c6f/FLAG9ac0a2759 [2024-10-31 22:02:03,717 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/bin/uautomizer-verify-4GaUIPS5ZU/data/54c461794/ae3c981a7b194418912e8143e9f66c6f [2024-10-31 22:02:03,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:02:03,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:02:03,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:02:03,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:02:03,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:02:03,734 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:02:03" (1/1) ... [2024-10-31 22:02:03,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c8ce560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:03, skipping insertion in model container [2024-10-31 22:02:03,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:02:03" (1/1) ... [2024-10-31 22:02:03,768 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:02:03,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:02:04,013 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:02:04,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:02:04,061 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:02:04,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:04 WrapperNode [2024-10-31 22:02:04,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:02:04,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:02:04,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:02:04,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:02:04,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:04" (1/1) ... [2024-10-31 22:02:04,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:04" (1/1) ... [2024-10-31 22:02:04,123 INFO L138 Inliner]: procedures = 22, calls = 19, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 254 [2024-10-31 22:02:04,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:02:04,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:02:04,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:02:04,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:02:04,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:04" (1/1) ... [2024-10-31 22:02:04,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:04" (1/1) ... [2024-10-31 22:02:04,142 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:04" (1/1) ... [2024-10-31 22:02:04,142 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:04" (1/1) ... [2024-10-31 22:02:04,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:04" (1/1) ... [2024-10-31 22:02:04,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:04" (1/1) ... [2024-10-31 22:02:04,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:04" (1/1) ... [2024-10-31 22:02:04,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:04" (1/1) ... [2024-10-31 22:02:04,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:02:04,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:02:04,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:02:04,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:02:04,163 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:04" (1/1) ... [2024-10-31 22:02:04,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:02:04,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:04,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:04,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:02:04,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:02:04,257 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 22:02:04,257 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 22:02:04,257 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 22:02:04,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 22:02:04,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:02:04,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:02:04,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:02:04,260 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 22:02:04,424 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:02:04,429 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:02:04,965 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:02:04,966 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:02:05,002 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:02:05,004 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:02:05,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:05 BoogieIcfgContainer [2024-10-31 22:02:05,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:02:05,007 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:02:05,007 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:02:05,010 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:02:05,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:02:03" (1/3) ... [2024-10-31 22:02:05,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b0535e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:02:05, skipping insertion in model container [2024-10-31 22:02:05,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:04" (2/3) ... [2024-10-31 22:02:05,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b0535e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:02:05, skipping insertion in model container [2024-10-31 22:02:05,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:05" (3/3) ... [2024-10-31 22:02:05,014 INFO L112 eAbstractionObserver]: Analyzing ICFG fibonacci.wvr.c [2024-10-31 22:02:05,031 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:02:05,031 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2024-10-31 22:02:05,032 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:02:05,171 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 22:02:05,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 337 places, 345 transitions, 704 flow [2024-10-31 22:02:05,452 INFO L124 PetriNetUnfolderBase]: 15/343 cut-off events. [2024-10-31 22:02:05,452 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:02:05,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 343 events. 15/343 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 574 event pairs, 0 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2024-10-31 22:02:05,470 INFO L82 GeneralOperation]: Start removeDead. Operand has 337 places, 345 transitions, 704 flow [2024-10-31 22:02:05,482 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 319 places, 326 transitions, 664 flow [2024-10-31 22:02:05,498 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:02:05,508 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;@2cf9ee46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:02:05,509 INFO L334 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2024-10-31 22:02:05,518 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:02:05,518 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-10-31 22:02:05,519 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:02:05,519 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:05,520 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] [2024-10-31 22:02:05,520 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:05,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:05,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1626266801, now seen corresponding path program 1 times [2024-10-31 22:02:05,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:05,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231092553] [2024-10-31 22:02:05,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:05,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:05,790 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 22:02:05,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:05,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231092553] [2024-10-31 22:02:05,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231092553] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:05,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:05,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:05,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109262906] [2024-10-31 22:02:05,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:05,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:05,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:05,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:05,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:05,876 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2024-10-31 22:02:05,881 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 326 transitions, 664 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 22:02:05,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:05,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2024-10-31 22:02:05,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:06,044 INFO L124 PetriNetUnfolderBase]: 8/508 cut-off events. [2024-10-31 22:02:06,046 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-31 22:02:06,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 508 events. 8/508 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1583 event pairs, 3 based on Foata normal form. 18/456 useless extension candidates. Maximal degree in co-relation 405. Up to 18 conditions per place. [2024-10-31 22:02:06,057 INFO L140 encePairwiseOnDemand]: 331/345 looper letters, 9 selfloop transitions, 2 changer transitions 1/314 dead transitions. [2024-10-31 22:02:06,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 314 transitions, 662 flow [2024-10-31 22:02:06,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:06,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:06,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 980 transitions. [2024-10-31 22:02:06,079 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9468599033816425 [2024-10-31 22:02:06,081 INFO L175 Difference]: Start difference. First operand has 319 places, 326 transitions, 664 flow. Second operand 3 states and 980 transitions. [2024-10-31 22:02:06,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 314 transitions, 662 flow [2024-10-31 22:02:06,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 314 transitions, 654 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:02:06,098 INFO L231 Difference]: Finished difference. Result has 316 places, 313 transitions, 634 flow [2024-10-31 22:02:06,101 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=316, PETRI_TRANSITIONS=313} [2024-10-31 22:02:06,106 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -3 predicate places. [2024-10-31 22:02:06,107 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 313 transitions, 634 flow [2024-10-31 22:02:06,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 22:02:06,108 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:06,108 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] [2024-10-31 22:02:06,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:02:06,109 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:06,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:06,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1826417881, now seen corresponding path program 1 times [2024-10-31 22:02:06,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:06,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112789523] [2024-10-31 22:02:06,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:06,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:06,168 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 22:02:06,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:06,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112789523] [2024-10-31 22:02:06,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112789523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:06,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:06,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:06,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351606208] [2024-10-31 22:02:06,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:06,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:06,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:06,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:06,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:06,213 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 345 [2024-10-31 22:02:06,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 313 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:06,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:06,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 345 [2024-10-31 22:02:06,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:06,335 INFO L124 PetriNetUnfolderBase]: 10/500 cut-off events. [2024-10-31 22:02:06,335 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-31 22:02:06,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 500 events. 10/500 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1497 event pairs, 4 based on Foata normal form. 0/434 useless extension candidates. Maximal degree in co-relation 504. Up to 23 conditions per place. [2024-10-31 22:02:06,340 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 12 selfloop transitions, 2 changer transitions 0/312 dead transitions. [2024-10-31 22:02:06,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 312 transitions, 660 flow [2024-10-31 22:02:06,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:06,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:06,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2024-10-31 22:02:06,344 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9304347826086956 [2024-10-31 22:02:06,344 INFO L175 Difference]: Start difference. First operand has 316 places, 313 transitions, 634 flow. Second operand 3 states and 963 transitions. [2024-10-31 22:02:06,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 312 transitions, 660 flow [2024-10-31 22:02:06,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 312 transitions, 656 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:02:06,352 INFO L231 Difference]: Finished difference. Result has 314 places, 312 transitions, 632 flow [2024-10-31 22:02:06,352 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=632, PETRI_PLACES=314, PETRI_TRANSITIONS=312} [2024-10-31 22:02:06,353 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -5 predicate places. [2024-10-31 22:02:06,353 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 312 transitions, 632 flow [2024-10-31 22:02:06,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:06,354 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:06,355 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] [2024-10-31 22:02:06,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:02:06,355 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:06,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:06,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1977403996, now seen corresponding path program 1 times [2024-10-31 22:02:06,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:06,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420018244] [2024-10-31 22:02:06,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:06,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:06,430 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 22:02:06,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:06,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420018244] [2024-10-31 22:02:06,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420018244] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:06,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:06,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:06,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478919059] [2024-10-31 22:02:06,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:06,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:06,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:06,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:06,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:06,479 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 345 [2024-10-31 22:02:06,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 312 transitions, 632 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:06,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:06,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 345 [2024-10-31 22:02:06,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:06,629 INFO L124 PetriNetUnfolderBase]: 9/611 cut-off events. [2024-10-31 22:02:06,629 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2024-10-31 22:02:06,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 611 events. 9/611 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1639 event pairs, 3 based on Foata normal form. 0/528 useless extension candidates. Maximal degree in co-relation 601. Up to 18 conditions per place. [2024-10-31 22:02:06,634 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 11 selfloop transitions, 2 changer transitions 0/311 dead transitions. [2024-10-31 22:02:06,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 311 transitions, 656 flow [2024-10-31 22:02:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:06,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:06,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 965 transitions. [2024-10-31 22:02:06,637 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9323671497584541 [2024-10-31 22:02:06,637 INFO L175 Difference]: Start difference. First operand has 314 places, 312 transitions, 632 flow. Second operand 3 states and 965 transitions. [2024-10-31 22:02:06,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 311 transitions, 656 flow [2024-10-31 22:02:06,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 311 transitions, 652 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:02:06,644 INFO L231 Difference]: Finished difference. Result has 313 places, 311 transitions, 630 flow [2024-10-31 22:02:06,645 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=630, PETRI_PLACES=313, PETRI_TRANSITIONS=311} [2024-10-31 22:02:06,645 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -6 predicate places. [2024-10-31 22:02:06,646 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 311 transitions, 630 flow [2024-10-31 22:02:06,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:06,647 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:06,647 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] [2024-10-31 22:02:06,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:02:06,647 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:06,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:06,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1690538526, now seen corresponding path program 1 times [2024-10-31 22:02:06,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:06,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468523238] [2024-10-31 22:02:06,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:06,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:06,729 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 22:02:06,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:06,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468523238] [2024-10-31 22:02:06,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468523238] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:06,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:06,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:06,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262353419] [2024-10-31 22:02:06,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:06,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:06,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:06,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:06,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:06,772 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2024-10-31 22:02:06,773 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 311 transitions, 630 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 22:02:06,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:06,774 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2024-10-31 22:02:06,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:06,854 INFO L124 PetriNetUnfolderBase]: 5/410 cut-off events. [2024-10-31 22:02:06,854 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-10-31 22:02:06,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 431 conditions, 410 events. 5/410 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 916 event pairs, 1 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 384. Up to 12 conditions per place. [2024-10-31 22:02:06,858 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 9 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2024-10-31 22:02:06,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 310 transitions, 650 flow [2024-10-31 22:02:06,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:06,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:06,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2024-10-31 22:02:06,861 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.936231884057971 [2024-10-31 22:02:06,861 INFO L175 Difference]: Start difference. First operand has 313 places, 311 transitions, 630 flow. Second operand 3 states and 969 transitions. [2024-10-31 22:02:06,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 310 transitions, 650 flow [2024-10-31 22:02:06,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 310 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:02:06,866 INFO L231 Difference]: Finished difference. Result has 312 places, 310 transitions, 628 flow [2024-10-31 22:02:06,867 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=312, PETRI_TRANSITIONS=310} [2024-10-31 22:02:06,868 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -7 predicate places. [2024-10-31 22:02:06,868 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 310 transitions, 628 flow [2024-10-31 22:02:06,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 22:02:06,869 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:06,869 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] [2024-10-31 22:02:06,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:02:06,869 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:06,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:06,870 INFO L85 PathProgramCache]: Analyzing trace with hash 768487355, now seen corresponding path program 1 times [2024-10-31 22:02:06,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:06,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573985178] [2024-10-31 22:02:06,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:06,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:06,915 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 22:02:06,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:06,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573985178] [2024-10-31 22:02:06,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573985178] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:06,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:06,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:06,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229449576] [2024-10-31 22:02:06,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:06,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:06,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:06,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:06,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:06,965 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 345 [2024-10-31 22:02:06,966 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 310 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:06,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:06,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 345 [2024-10-31 22:02:06,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:07,052 INFO L124 PetriNetUnfolderBase]: 9/409 cut-off events. [2024-10-31 22:02:07,052 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-10-31 22:02:07,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 409 events. 9/409 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 959 event pairs, 4 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 385. Up to 23 conditions per place. [2024-10-31 22:02:07,056 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 12 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2024-10-31 22:02:07,056 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 309 transitions, 654 flow [2024-10-31 22:02:07,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:07,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:07,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2024-10-31 22:02:07,059 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9304347826086956 [2024-10-31 22:02:07,059 INFO L175 Difference]: Start difference. First operand has 312 places, 310 transitions, 628 flow. Second operand 3 states and 963 transitions. [2024-10-31 22:02:07,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 309 transitions, 654 flow [2024-10-31 22:02:07,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 309 transitions, 650 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:02:07,066 INFO L231 Difference]: Finished difference. Result has 311 places, 309 transitions, 626 flow [2024-10-31 22:02:07,066 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=311, PETRI_TRANSITIONS=309} [2024-10-31 22:02:07,067 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -8 predicate places. [2024-10-31 22:02:07,067 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 309 transitions, 626 flow [2024-10-31 22:02:07,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:07,069 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:07,069 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] [2024-10-31 22:02:07,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:02:07,069 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:07,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:07,070 INFO L85 PathProgramCache]: Analyzing trace with hash -226657153, now seen corresponding path program 1 times [2024-10-31 22:02:07,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:07,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964005571] [2024-10-31 22:02:07,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:07,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:07,118 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 22:02:07,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:07,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964005571] [2024-10-31 22:02:07,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964005571] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:07,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:07,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:07,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547959831] [2024-10-31 22:02:07,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:07,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:07,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:07,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:07,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:07,153 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 345 [2024-10-31 22:02:07,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 309 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:07,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:07,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 345 [2024-10-31 22:02:07,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:07,233 INFO L124 PetriNetUnfolderBase]: 8/407 cut-off events. [2024-10-31 22:02:07,234 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-10-31 22:02:07,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 407 events. 8/407 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 896 event pairs, 3 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 372. Up to 20 conditions per place. [2024-10-31 22:02:07,238 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 11 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-10-31 22:02:07,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 308 transitions, 650 flow [2024-10-31 22:02:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:07,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:07,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 965 transitions. [2024-10-31 22:02:07,241 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9323671497584541 [2024-10-31 22:02:07,241 INFO L175 Difference]: Start difference. First operand has 311 places, 309 transitions, 626 flow. Second operand 3 states and 965 transitions. [2024-10-31 22:02:07,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 308 transitions, 650 flow [2024-10-31 22:02:07,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 308 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:02:07,247 INFO L231 Difference]: Finished difference. Result has 310 places, 308 transitions, 624 flow [2024-10-31 22:02:07,248 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=624, PETRI_PLACES=310, PETRI_TRANSITIONS=308} [2024-10-31 22:02:07,249 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -9 predicate places. [2024-10-31 22:02:07,249 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 308 transitions, 624 flow [2024-10-31 22:02:07,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:07,250 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:07,250 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] [2024-10-31 22:02:07,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:02:07,251 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:07,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:07,251 INFO L85 PathProgramCache]: Analyzing trace with hash -414975606, now seen corresponding path program 1 times [2024-10-31 22:02:07,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:07,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955157354] [2024-10-31 22:02:07,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:07,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:07,308 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 22:02:07,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:07,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955157354] [2024-10-31 22:02:07,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955157354] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:07,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:07,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:07,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592415215] [2024-10-31 22:02:07,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:07,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:07,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:07,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:07,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:07,341 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2024-10-31 22:02:07,342 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 308 transitions, 624 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 22:02:07,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:07,343 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2024-10-31 22:02:07,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:07,408 INFO L124 PetriNetUnfolderBase]: 4/309 cut-off events. [2024-10-31 22:02:07,408 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-10-31 22:02:07,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 309 events. 4/309 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 506 event pairs, 1 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 258. Up to 12 conditions per place. [2024-10-31 22:02:07,412 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 9 selfloop transitions, 2 changer transitions 0/307 dead transitions. [2024-10-31 22:02:07,412 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 307 transitions, 644 flow [2024-10-31 22:02:07,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:07,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:07,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2024-10-31 22:02:07,415 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.936231884057971 [2024-10-31 22:02:07,415 INFO L175 Difference]: Start difference. First operand has 310 places, 308 transitions, 624 flow. Second operand 3 states and 969 transitions. [2024-10-31 22:02:07,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 307 transitions, 644 flow [2024-10-31 22:02:07,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 307 transitions, 640 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:02:07,423 INFO L231 Difference]: Finished difference. Result has 309 places, 307 transitions, 622 flow [2024-10-31 22:02:07,424 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=309, PETRI_TRANSITIONS=307} [2024-10-31 22:02:07,425 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -10 predicate places. [2024-10-31 22:02:07,425 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 307 transitions, 622 flow [2024-10-31 22:02:07,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 22:02:07,427 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:07,427 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:07,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:02:07,428 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:07,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:07,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1259411945, now seen corresponding path program 1 times [2024-10-31 22:02:07,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:07,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391891104] [2024-10-31 22:02:07,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:07,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:07,498 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 22:02:07,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:07,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391891104] [2024-10-31 22:02:07,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391891104] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:07,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:07,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:07,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141550223] [2024-10-31 22:02:07,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:07,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:07,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:07,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:07,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:07,530 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 345 [2024-10-31 22:02:07,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 307 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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 22:02:07,532 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:07,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 345 [2024-10-31 22:02:07,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:07,633 INFO L124 PetriNetUnfolderBase]: 13/501 cut-off events. [2024-10-31 22:02:07,633 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-31 22:02:07,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 545 conditions, 501 events. 13/501 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1567 event pairs, 6 based on Foata normal form. 0/445 useless extension candidates. Maximal degree in co-relation 466. Up to 26 conditions per place. [2024-10-31 22:02:07,637 INFO L140 encePairwiseOnDemand]: 338/345 looper letters, 12 selfloop transitions, 3 changer transitions 0/304 dead transitions. [2024-10-31 22:02:07,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 304 transitions, 647 flow [2024-10-31 22:02:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:07,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:07,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2024-10-31 22:02:07,640 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9285024154589372 [2024-10-31 22:02:07,640 INFO L175 Difference]: Start difference. First operand has 309 places, 307 transitions, 622 flow. Second operand 3 states and 961 transitions. [2024-10-31 22:02:07,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 304 transitions, 647 flow [2024-10-31 22:02:07,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 304 transitions, 643 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:02:07,646 INFO L231 Difference]: Finished difference. Result has 305 places, 303 transitions, 616 flow [2024-10-31 22:02:07,647 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=305, PETRI_TRANSITIONS=303} [2024-10-31 22:02:07,651 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -14 predicate places. [2024-10-31 22:02:07,652 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 303 transitions, 616 flow [2024-10-31 22:02:07,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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 22:02:07,653 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:07,653 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] [2024-10-31 22:02:07,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:02:07,653 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:07,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:07,654 INFO L85 PathProgramCache]: Analyzing trace with hash -885874146, now seen corresponding path program 1 times [2024-10-31 22:02:07,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:07,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885268044] [2024-10-31 22:02:07,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:07,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:07,734 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 22:02:07,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:07,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885268044] [2024-10-31 22:02:07,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885268044] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:07,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:07,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:07,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807251989] [2024-10-31 22:02:07,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:07,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:07,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:07,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:07,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:07,769 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 345 [2024-10-31 22:02:07,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 303 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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 22:02:07,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:07,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 345 [2024-10-31 22:02:07,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:07,842 INFO L124 PetriNetUnfolderBase]: 12/399 cut-off events. [2024-10-31 22:02:07,842 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-10-31 22:02:07,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 399 events. 12/399 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 963 event pairs, 6 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 312. Up to 26 conditions per place. [2024-10-31 22:02:07,846 INFO L140 encePairwiseOnDemand]: 338/345 looper letters, 12 selfloop transitions, 3 changer transitions 0/300 dead transitions. [2024-10-31 22:02:07,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 300 transitions, 641 flow [2024-10-31 22:02:07,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:07,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2024-10-31 22:02:07,849 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9285024154589372 [2024-10-31 22:02:07,850 INFO L175 Difference]: Start difference. First operand has 305 places, 303 transitions, 616 flow. Second operand 3 states and 961 transitions. [2024-10-31 22:02:07,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 300 transitions, 641 flow [2024-10-31 22:02:07,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 300 transitions, 635 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:02:07,856 INFO L231 Difference]: Finished difference. Result has 301 places, 299 transitions, 608 flow [2024-10-31 22:02:07,857 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=608, PETRI_PLACES=301, PETRI_TRANSITIONS=299} [2024-10-31 22:02:07,858 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -18 predicate places. [2024-10-31 22:02:07,858 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 299 transitions, 608 flow [2024-10-31 22:02:07,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 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 22:02:07,859 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:07,859 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:07,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:02:07,860 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:07,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:07,860 INFO L85 PathProgramCache]: Analyzing trace with hash -804992455, now seen corresponding path program 1 times [2024-10-31 22:02:07,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:07,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504602860] [2024-10-31 22:02:07,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:07,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:07,946 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 22:02:07,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:07,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504602860] [2024-10-31 22:02:07,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504602860] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:07,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:07,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:07,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605946150] [2024-10-31 22:02:07,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:07,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:07,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:07,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:07,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:07,973 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 345 [2024-10-31 22:02:07,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 299 transitions, 608 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 22:02:07,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:07,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 345 [2024-10-31 22:02:07,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:08,078 INFO L124 PetriNetUnfolderBase]: 11/601 cut-off events. [2024-10-31 22:02:08,078 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-31 22:02:08,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 648 conditions, 601 events. 11/601 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1809 event pairs, 1 based on Foata normal form. 0/545 useless extension candidates. Maximal degree in co-relation 429. Up to 20 conditions per place. [2024-10-31 22:02:08,082 INFO L140 encePairwiseOnDemand]: 339/345 looper letters, 14 selfloop transitions, 3 changer transitions 0/301 dead transitions. [2024-10-31 22:02:08,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 301 transitions, 650 flow [2024-10-31 22:02:08,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:08,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:08,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2024-10-31 22:02:08,103 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9381642512077295 [2024-10-31 22:02:08,103 INFO L175 Difference]: Start difference. First operand has 301 places, 299 transitions, 608 flow. Second operand 3 states and 971 transitions. [2024-10-31 22:02:08,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 301 transitions, 650 flow [2024-10-31 22:02:08,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 301 transitions, 644 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:02:08,111 INFO L231 Difference]: Finished difference. Result has 299 places, 297 transitions, 609 flow [2024-10-31 22:02:08,112 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=609, PETRI_PLACES=299, PETRI_TRANSITIONS=297} [2024-10-31 22:02:08,113 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -20 predicate places. [2024-10-31 22:02:08,113 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 297 transitions, 609 flow [2024-10-31 22:02:08,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 22:02:08,114 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:08,115 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:08,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:02:08,115 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:08,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:08,116 INFO L85 PathProgramCache]: Analyzing trace with hash -503619183, now seen corresponding path program 1 times [2024-10-31 22:02:08,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:08,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776240775] [2024-10-31 22:02:08,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:08,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:08,200 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 22:02:08,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:08,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776240775] [2024-10-31 22:02:08,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776240775] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:08,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:08,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:08,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763015981] [2024-10-31 22:02:08,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:08,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:08,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:08,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:08,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:08,233 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 345 [2024-10-31 22:02:08,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 297 transitions, 609 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 22:02:08,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:08,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 345 [2024-10-31 22:02:08,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:08,406 INFO L124 PetriNetUnfolderBase]: 23/749 cut-off events. [2024-10-31 22:02:08,406 INFO L125 PetriNetUnfolderBase]: For 22/25 co-relation queries the response was YES. [2024-10-31 22:02:08,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 819 conditions, 749 events. 23/749 cut-off events. For 22/25 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3157 event pairs, 7 based on Foata normal form. 0/677 useless extension candidates. Maximal degree in co-relation 351. Up to 40 conditions per place. [2024-10-31 22:02:08,413 INFO L140 encePairwiseOnDemand]: 339/345 looper letters, 14 selfloop transitions, 3 changer transitions 0/299 dead transitions. [2024-10-31 22:02:08,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 299 transitions, 651 flow [2024-10-31 22:02:08,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:08,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:08,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2024-10-31 22:02:08,416 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9381642512077295 [2024-10-31 22:02:08,416 INFO L175 Difference]: Start difference. First operand has 299 places, 297 transitions, 609 flow. Second operand 3 states and 971 transitions. [2024-10-31 22:02:08,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 299 transitions, 651 flow [2024-10-31 22:02:08,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 299 transitions, 648 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:02:08,422 INFO L231 Difference]: Finished difference. Result has 298 places, 295 transitions, 613 flow [2024-10-31 22:02:08,422 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=600, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=613, PETRI_PLACES=298, PETRI_TRANSITIONS=295} [2024-10-31 22:02:08,423 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -21 predicate places. [2024-10-31 22:02:08,423 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 295 transitions, 613 flow [2024-10-31 22:02:08,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 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 22:02:08,424 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:08,425 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 22:02:08,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:02:08,426 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:08,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:08,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1756657957, now seen corresponding path program 1 times [2024-10-31 22:02:08,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:08,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045069308] [2024-10-31 22:02:08,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:08,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:08,491 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 22:02:08,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:08,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045069308] [2024-10-31 22:02:08,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045069308] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:08,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:08,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:08,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121226679] [2024-10-31 22:02:08,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:08,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:08,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:08,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:08,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:08,515 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 345 [2024-10-31 22:02:08,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 295 transitions, 613 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:08,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:08,516 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 345 [2024-10-31 22:02:08,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:08,765 INFO L124 PetriNetUnfolderBase]: 50/1611 cut-off events. [2024-10-31 22:02:08,765 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-10-31 22:02:08,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1767 conditions, 1611 events. 50/1611 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 10157 event pairs, 22 based on Foata normal form. 0/1465 useless extension candidates. Maximal degree in co-relation 813. Up to 88 conditions per place. [2024-10-31 22:02:08,773 INFO L140 encePairwiseOnDemand]: 341/345 looper letters, 10 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2024-10-31 22:02:08,774 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 296 transitions, 640 flow [2024-10-31 22:02:08,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:08,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:08,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 977 transitions. [2024-10-31 22:02:08,778 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9439613526570049 [2024-10-31 22:02:08,778 INFO L175 Difference]: Start difference. First operand has 298 places, 295 transitions, 613 flow. Second operand 3 states and 977 transitions. [2024-10-31 22:02:08,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 296 transitions, 640 flow [2024-10-31 22:02:08,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 296 transitions, 637 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:02:08,784 INFO L231 Difference]: Finished difference. Result has 298 places, 295 transitions, 620 flow [2024-10-31 22:02:08,785 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=298, PETRI_TRANSITIONS=295} [2024-10-31 22:02:08,785 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -21 predicate places. [2024-10-31 22:02:08,786 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 295 transitions, 620 flow [2024-10-31 22:02:08,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:08,786 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:08,787 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] [2024-10-31 22:02:08,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:02:08,787 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:08,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:08,789 INFO L85 PathProgramCache]: Analyzing trace with hash -2115090772, now seen corresponding path program 1 times [2024-10-31 22:02:08,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:08,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569331883] [2024-10-31 22:02:08,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:08,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:08,845 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 22:02:08,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:08,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569331883] [2024-10-31 22:02:08,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569331883] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:08,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:08,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:08,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817463514] [2024-10-31 22:02:08,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:08,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:08,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:08,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:08,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:08,869 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 345 [2024-10-31 22:02:08,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 295 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 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 22:02:08,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:08,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 345 [2024-10-31 22:02:08,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:09,031 INFO L124 PetriNetUnfolderBase]: 28/1018 cut-off events. [2024-10-31 22:02:09,032 INFO L125 PetriNetUnfolderBase]: For 7/23 co-relation queries the response was YES. [2024-10-31 22:02:09,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1142 conditions, 1018 events. 28/1018 cut-off events. For 7/23 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5063 event pairs, 7 based on Foata normal form. 4/939 useless extension candidates. Maximal degree in co-relation 473. Up to 35 conditions per place. [2024-10-31 22:02:09,039 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 9 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2024-10-31 22:02:09,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 295 transitions, 643 flow [2024-10-31 22:02:09,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:09,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:09,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2024-10-31 22:02:09,042 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2024-10-31 22:02:09,043 INFO L175 Difference]: Start difference. First operand has 298 places, 295 transitions, 620 flow. Second operand 3 states and 975 transitions. [2024-10-31 22:02:09,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 295 transitions, 643 flow [2024-10-31 22:02:09,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 295 transitions, 643 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:02:09,049 INFO L231 Difference]: Finished difference. Result has 299 places, 294 transitions, 622 flow [2024-10-31 22:02:09,049 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=299, PETRI_TRANSITIONS=294} [2024-10-31 22:02:09,050 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -20 predicate places. [2024-10-31 22:02:09,050 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 294 transitions, 622 flow [2024-10-31 22:02:09,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.6666666666667) internal successors, (968), 3 states have internal predecessors, (968), 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 22:02:09,052 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:09,052 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] [2024-10-31 22:02:09,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:02:09,052 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:09,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:09,053 INFO L85 PathProgramCache]: Analyzing trace with hash 965486445, now seen corresponding path program 1 times [2024-10-31 22:02:09,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:09,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936556124] [2024-10-31 22:02:09,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:09,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:09,105 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 22:02:09,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:09,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936556124] [2024-10-31 22:02:09,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936556124] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:09,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:09,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:09,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635560933] [2024-10-31 22:02:09,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:09,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:09,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:09,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:09,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:09,131 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 345 [2024-10-31 22:02:09,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 294 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 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 22:02:09,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:09,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 345 [2024-10-31 22:02:09,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:09,322 INFO L124 PetriNetUnfolderBase]: 29/797 cut-off events. [2024-10-31 22:02:09,322 INFO L125 PetriNetUnfolderBase]: For 23/26 co-relation queries the response was YES. [2024-10-31 22:02:09,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 930 conditions, 797 events. 29/797 cut-off events. For 23/26 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3515 event pairs, 9 based on Foata normal form. 0/743 useless extension candidates. Maximal degree in co-relation 793. Up to 47 conditions per place. [2024-10-31 22:02:09,329 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 9 selfloop transitions, 2 changer transitions 0/294 dead transitions. [2024-10-31 22:02:09,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 294 transitions, 645 flow [2024-10-31 22:02:09,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:09,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2024-10-31 22:02:09,332 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9420289855072463 [2024-10-31 22:02:09,332 INFO L175 Difference]: Start difference. First operand has 299 places, 294 transitions, 622 flow. Second operand 3 states and 975 transitions. [2024-10-31 22:02:09,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 294 transitions, 645 flow [2024-10-31 22:02:09,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 294 transitions, 641 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:02:09,338 INFO L231 Difference]: Finished difference. Result has 298 places, 293 transitions, 620 flow [2024-10-31 22:02:09,339 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=298, PETRI_TRANSITIONS=293} [2024-10-31 22:02:09,340 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -21 predicate places. [2024-10-31 22:02:09,341 INFO L471 AbstractCegarLoop]: Abstraction has has 298 places, 293 transitions, 620 flow [2024-10-31 22:02:09,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 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 22:02:09,342 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:09,342 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] [2024-10-31 22:02:09,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:02:09,342 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:09,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:09,343 INFO L85 PathProgramCache]: Analyzing trace with hash -251618451, now seen corresponding path program 1 times [2024-10-31 22:02:09,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:09,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846220799] [2024-10-31 22:02:09,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:09,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:09,410 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 22:02:09,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:09,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846220799] [2024-10-31 22:02:09,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846220799] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:09,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:09,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:09,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039801761] [2024-10-31 22:02:09,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:09,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:09,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:09,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:09,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:09,451 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 345 [2024-10-31 22:02:09,452 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 293 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 22:02:09,452 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:09,452 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 345 [2024-10-31 22:02:09,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:09,659 INFO L124 PetriNetUnfolderBase]: 35/1141 cut-off events. [2024-10-31 22:02:09,659 INFO L125 PetriNetUnfolderBase]: For 7/15 co-relation queries the response was YES. [2024-10-31 22:02:09,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1307 conditions, 1141 events. 35/1141 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6284 event pairs, 13 based on Foata normal form. 0/1061 useless extension candidates. Maximal degree in co-relation 1203. Up to 52 conditions per place. [2024-10-31 22:02:09,668 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 12 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-10-31 22:02:09,669 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 293 transitions, 649 flow [2024-10-31 22:02:09,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:09,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:09,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2024-10-31 22:02:09,671 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.936231884057971 [2024-10-31 22:02:09,671 INFO L175 Difference]: Start difference. First operand has 298 places, 293 transitions, 620 flow. Second operand 3 states and 969 transitions. [2024-10-31 22:02:09,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 293 transitions, 649 flow [2024-10-31 22:02:09,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 293 transitions, 645 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:02:09,680 INFO L231 Difference]: Finished difference. Result has 297 places, 292 transitions, 618 flow [2024-10-31 22:02:09,681 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=297, PETRI_TRANSITIONS=292} [2024-10-31 22:02:09,682 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -22 predicate places. [2024-10-31 22:02:09,683 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 292 transitions, 618 flow [2024-10-31 22:02:09,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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 22:02:09,684 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:09,684 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:09,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 22:02:09,684 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:09,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:09,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1738758929, now seen corresponding path program 1 times [2024-10-31 22:02:09,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:09,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416248857] [2024-10-31 22:02:09,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:09,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:09,745 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 22:02:09,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:09,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416248857] [2024-10-31 22:02:09,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416248857] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:09,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:09,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:09,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666889576] [2024-10-31 22:02:09,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:09,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:09,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:09,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:09,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:09,782 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 345 [2024-10-31 22:02:09,784 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 292 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 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 22:02:09,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:09,784 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 345 [2024-10-31 22:02:09,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:09,942 INFO L124 PetriNetUnfolderBase]: 35/967 cut-off events. [2024-10-31 22:02:09,942 INFO L125 PetriNetUnfolderBase]: For 25/28 co-relation queries the response was YES. [2024-10-31 22:02:09,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1115 conditions, 967 events. 35/967 cut-off events. For 25/28 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 4849 event pairs, 15 based on Foata normal form. 0/905 useless extension candidates. Maximal degree in co-relation 943. Up to 70 conditions per place. [2024-10-31 22:02:09,948 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 12 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2024-10-31 22:02:09,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 292 transitions, 647 flow [2024-10-31 22:02:09,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:09,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:09,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 969 transitions. [2024-10-31 22:02:09,953 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.936231884057971 [2024-10-31 22:02:09,953 INFO L175 Difference]: Start difference. First operand has 297 places, 292 transitions, 618 flow. Second operand 3 states and 969 transitions. [2024-10-31 22:02:09,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 292 transitions, 647 flow [2024-10-31 22:02:09,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 292 transitions, 643 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:02:09,959 INFO L231 Difference]: Finished difference. Result has 296 places, 291 transitions, 616 flow [2024-10-31 22:02:09,959 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=296, PETRI_TRANSITIONS=291} [2024-10-31 22:02:09,960 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -23 predicate places. [2024-10-31 22:02:09,960 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 291 transitions, 616 flow [2024-10-31 22:02:09,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 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 22:02:09,961 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:09,961 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] [2024-10-31 22:02:09,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 22:02:09,962 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:09,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:09,962 INFO L85 PathProgramCache]: Analyzing trace with hash -477628899, now seen corresponding path program 1 times [2024-10-31 22:02:09,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:09,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418544570] [2024-10-31 22:02:09,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:09,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:10,019 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 22:02:10,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:10,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418544570] [2024-10-31 22:02:10,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418544570] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:10,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:10,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:10,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600991471] [2024-10-31 22:02:10,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:10,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:10,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:10,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:10,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:10,039 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 345 [2024-10-31 22:02:10,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 291 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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 22:02:10,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:10,040 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 345 [2024-10-31 22:02:10,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:10,189 INFO L124 PetriNetUnfolderBase]: 19/971 cut-off events. [2024-10-31 22:02:10,189 INFO L125 PetriNetUnfolderBase]: For 7/11 co-relation queries the response was YES. [2024-10-31 22:02:10,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1076 conditions, 971 events. 19/971 cut-off events. For 7/11 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4646 event pairs, 4 based on Foata normal form. 0/911 useless extension candidates. Maximal degree in co-relation 727. Up to 23 conditions per place. [2024-10-31 22:02:10,196 INFO L140 encePairwiseOnDemand]: 343/345 looper letters, 7 selfloop transitions, 1 changer transitions 0/290 dead transitions. [2024-10-31 22:02:10,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 290 transitions, 630 flow [2024-10-31 22:02:10,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:10,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:10,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2024-10-31 22:02:10,199 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9449275362318841 [2024-10-31 22:02:10,199 INFO L175 Difference]: Start difference. First operand has 296 places, 291 transitions, 616 flow. Second operand 3 states and 978 transitions. [2024-10-31 22:02:10,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 290 transitions, 630 flow [2024-10-31 22:02:10,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 290 transitions, 626 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:02:10,205 INFO L231 Difference]: Finished difference. Result has 295 places, 290 transitions, 612 flow [2024-10-31 22:02:10,205 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=295, PETRI_TRANSITIONS=290} [2024-10-31 22:02:10,206 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -24 predicate places. [2024-10-31 22:02:10,206 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 290 transitions, 612 flow [2024-10-31 22:02:10,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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 22:02:10,208 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:10,208 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] [2024-10-31 22:02:10,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-31 22:02:10,208 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:10,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:10,209 INFO L85 PathProgramCache]: Analyzing trace with hash -577261411, now seen corresponding path program 1 times [2024-10-31 22:02:10,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:10,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728053118] [2024-10-31 22:02:10,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:10,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:10,259 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 22:02:10,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:10,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728053118] [2024-10-31 22:02:10,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728053118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:10,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:10,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:10,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148293802] [2024-10-31 22:02:10,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:10,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:10,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:10,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:10,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:10,273 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 345 [2024-10-31 22:02:10,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 290 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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 22:02:10,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:10,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 345 [2024-10-31 22:02:10,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:10,429 INFO L124 PetriNetUnfolderBase]: 17/755 cut-off events. [2024-10-31 22:02:10,429 INFO L125 PetriNetUnfolderBase]: For 8/11 co-relation queries the response was YES. [2024-10-31 22:02:10,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 841 conditions, 755 events. 17/755 cut-off events. For 8/11 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3111 event pairs, 5 based on Foata normal form. 4/715 useless extension candidates. Maximal degree in co-relation 815. Up to 28 conditions per place. [2024-10-31 22:02:10,435 INFO L140 encePairwiseOnDemand]: 343/345 looper letters, 5 selfloop transitions, 0 changer transitions 4/289 dead transitions. [2024-10-31 22:02:10,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 289 transitions, 624 flow [2024-10-31 22:02:10,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:10,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:10,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 977 transitions. [2024-10-31 22:02:10,439 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9439613526570049 [2024-10-31 22:02:10,439 INFO L175 Difference]: Start difference. First operand has 295 places, 290 transitions, 612 flow. Second operand 3 states and 977 transitions. [2024-10-31 22:02:10,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 289 transitions, 624 flow [2024-10-31 22:02:10,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 289 transitions, 623 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:02:10,445 INFO L231 Difference]: Finished difference. Result has 295 places, 285 transitions, 599 flow [2024-10-31 22:02:10,446 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=599, PETRI_PLACES=295, PETRI_TRANSITIONS=285} [2024-10-31 22:02:10,446 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -24 predicate places. [2024-10-31 22:02:10,447 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 285 transitions, 599 flow [2024-10-31 22:02:10,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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 22:02:10,447 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:10,448 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] [2024-10-31 22:02:10,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-31 22:02:10,448 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:10,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:10,449 INFO L85 PathProgramCache]: Analyzing trace with hash -916776862, now seen corresponding path program 1 times [2024-10-31 22:02:10,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:10,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681368264] [2024-10-31 22:02:10,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:10,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:10,516 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 22:02:10,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:10,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681368264] [2024-10-31 22:02:10,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681368264] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:10,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:10,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:10,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666980875] [2024-10-31 22:02:10,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:10,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:10,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:10,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:10,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:10,548 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2024-10-31 22:02:10,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 285 transitions, 599 flow. Second operand has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:10,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:10,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2024-10-31 22:02:10,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:10,716 INFO L124 PetriNetUnfolderBase]: 34/1125 cut-off events. [2024-10-31 22:02:10,716 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2024-10-31 22:02:10,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1260 conditions, 1125 events. 34/1125 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 5616 event pairs, 9 based on Foata normal form. 0/1055 useless extension candidates. Maximal degree in co-relation 1254. Up to 38 conditions per place. [2024-10-31 22:02:10,723 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 11 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-10-31 22:02:10,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 285 transitions, 626 flow [2024-10-31 22:02:10,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:10,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:10,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions. [2024-10-31 22:02:10,727 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9371980676328503 [2024-10-31 22:02:10,727 INFO L175 Difference]: Start difference. First operand has 295 places, 285 transitions, 599 flow. Second operand 3 states and 970 transitions. [2024-10-31 22:02:10,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 285 transitions, 626 flow [2024-10-31 22:02:10,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 285 transitions, 626 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:02:10,732 INFO L231 Difference]: Finished difference. Result has 290 places, 284 transitions, 601 flow [2024-10-31 22:02:10,733 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=290, PETRI_TRANSITIONS=284} [2024-10-31 22:02:10,734 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -29 predicate places. [2024-10-31 22:02:10,734 INFO L471 AbstractCegarLoop]: Abstraction has has 290 places, 284 transitions, 601 flow [2024-10-31 22:02:10,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:10,735 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:10,735 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] [2024-10-31 22:02:10,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-31 22:02:10,735 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-10-31 22:02:10,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:10,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1502106118, now seen corresponding path program 1 times [2024-10-31 22:02:10,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:10,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913074934] [2024-10-31 22:02:10,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:10,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:10,793 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 22:02:10,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:10,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913074934] [2024-10-31 22:02:10,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913074934] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:10,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:10,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:02:10,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661691336] [2024-10-31 22:02:10,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:10,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:10,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:10,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:10,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:10,825 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 345 [2024-10-31 22:02:10,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 284 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 321.6666666666667) internal successors, (965), 3 states have internal predecessors, (965), 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 22:02:10,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:10,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 345 [2024-10-31 22:02:10,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:10,980 INFO L124 PetriNetUnfolderBase]: 28/906 cut-off events. [2024-10-31 22:02:10,980 INFO L125 PetriNetUnfolderBase]: For 30/33 co-relation queries the response was YES. [2024-10-31 22:02:10,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1034 conditions, 906 events. 28/906 cut-off events. For 30/33 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4278 event pairs, 9 based on Foata normal form. 0/859 useless extension candidates. Maximal degree in co-relation 1027. Up to 48 conditions per place. [2024-10-31 22:02:10,984 INFO L140 encePairwiseOnDemand]: 342/345 looper letters, 0 selfloop transitions, 0 changer transitions 284/284 dead transitions. [2024-10-31 22:02:10,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 284 transitions, 628 flow [2024-10-31 22:02:10,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:10,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:02:10,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions. [2024-10-31 22:02:10,987 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9371980676328503 [2024-10-31 22:02:10,987 INFO L175 Difference]: Start difference. First operand has 290 places, 284 transitions, 601 flow. Second operand 3 states and 970 transitions. [2024-10-31 22:02:10,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 284 transitions, 628 flow [2024-10-31 22:02:10,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 284 transitions, 624 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:02:10,990 INFO L231 Difference]: Finished difference. Result has 289 places, 0 transitions, 0 flow [2024-10-31 22:02:10,990 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=289, PETRI_TRANSITIONS=0} [2024-10-31 22:02:10,991 INFO L277 CegarLoopForPetriNet]: 319 programPoint places, -30 predicate places. [2024-10-31 22:02:10,991 INFO L471 AbstractCegarLoop]: Abstraction has has 289 places, 0 transitions, 0 flow [2024-10-31 22:02:10,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.6666666666667) internal successors, (965), 3 states have internal predecessors, (965), 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 22:02:10,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (50 of 51 remaining) [2024-10-31 22:02:10,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (49 of 51 remaining) [2024-10-31 22:02:10,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (48 of 51 remaining) [2024-10-31 22:02:10,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (47 of 51 remaining) [2024-10-31 22:02:10,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (46 of 51 remaining) [2024-10-31 22:02:10,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (45 of 51 remaining) [2024-10-31 22:02:10,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 51 remaining) [2024-10-31 22:02:10,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (43 of 51 remaining) [2024-10-31 22:02:10,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (42 of 51 remaining) [2024-10-31 22:02:10,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (41 of 51 remaining) [2024-10-31 22:02:10,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (40 of 51 remaining) [2024-10-31 22:02:10,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (39 of 51 remaining) [2024-10-31 22:02:10,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (38 of 51 remaining) [2024-10-31 22:02:10,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (37 of 51 remaining) [2024-10-31 22:02:10,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (36 of 51 remaining) [2024-10-31 22:02:10,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (35 of 51 remaining) [2024-10-31 22:02:10,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (34 of 51 remaining) [2024-10-31 22:02:10,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (33 of 51 remaining) [2024-10-31 22:02:10,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 51 remaining) [2024-10-31 22:02:10,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 51 remaining) [2024-10-31 22:02:10,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (30 of 51 remaining) [2024-10-31 22:02:10,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (29 of 51 remaining) [2024-10-31 22:02:10,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (28 of 51 remaining) [2024-10-31 22:02:10,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (27 of 51 remaining) [2024-10-31 22:02:10,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (26 of 51 remaining) [2024-10-31 22:02:10,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (25 of 51 remaining) [2024-10-31 22:02:10,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (24 of 51 remaining) [2024-10-31 22:02:10,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (23 of 51 remaining) [2024-10-31 22:02:10,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (22 of 51 remaining) [2024-10-31 22:02:10,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (21 of 51 remaining) [2024-10-31 22:02:10,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (20 of 51 remaining) [2024-10-31 22:02:10,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 51 remaining) [2024-10-31 22:02:10,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 51 remaining) [2024-10-31 22:02:10,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 51 remaining) [2024-10-31 22:02:11,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (16 of 51 remaining) [2024-10-31 22:02:11,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (15 of 51 remaining) [2024-10-31 22:02:11,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (14 of 51 remaining) [2024-10-31 22:02:11,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 51 remaining) [2024-10-31 22:02:11,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 51 remaining) [2024-10-31 22:02:11,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 51 remaining) [2024-10-31 22:02:11,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (10 of 51 remaining) [2024-10-31 22:02:11,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (9 of 51 remaining) [2024-10-31 22:02:11,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 51 remaining) [2024-10-31 22:02:11,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 51 remaining) [2024-10-31 22:02:11,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 51 remaining) [2024-10-31 22:02:11,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 51 remaining) [2024-10-31 22:02:11,002 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 51 remaining) [2024-10-31 22:02:11,002 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 51 remaining) [2024-10-31 22:02:11,002 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 51 remaining) [2024-10-31 22:02:11,002 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 51 remaining) [2024-10-31 22:02:11,002 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (0 of 51 remaining) [2024-10-31 22:02:11,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-31 22:02:11,003 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:11,009 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 22:02:11,009 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:02:11,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:02:11 BasicIcfg [2024-10-31 22:02:11,014 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:02:11,015 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:02:11,015 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:02:11,015 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:02:11,015 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:05" (3/4) ... [2024-10-31 22:02:11,017 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:02:11,020 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-31 22:02:11,021 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-31 22:02:11,025 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-31 22:02:11,026 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-31 22:02:11,026 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 22:02:11,026 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:02:11,118 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:02:11,119 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:02:11,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:02:11,119 INFO L158 Benchmark]: Toolchain (without parser) took 7396.87ms. Allocated memory was 169.9MB in the beginning and 299.9MB in the end (delta: 130.0MB). Free memory was 131.3MB in the beginning and 232.2MB in the end (delta: -100.9MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-10-31 22:02:11,120 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:02:11,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.48ms. Allocated memory is still 169.9MB. Free memory was 131.3MB in the beginning and 117.4MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:02:11,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.96ms. Allocated memory is still 169.9MB. Free memory was 117.4MB in the beginning and 115.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:02:11,121 INFO L158 Benchmark]: Boogie Preprocessor took 36.73ms. Allocated memory is still 169.9MB. Free memory was 115.2MB in the beginning and 113.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:02:11,121 INFO L158 Benchmark]: RCFGBuilder took 843.50ms. Allocated memory is still 169.9MB. Free memory was 113.3MB in the beginning and 88.7MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-31 22:02:11,122 INFO L158 Benchmark]: TraceAbstraction took 6007.06ms. Allocated memory was 169.9MB in the beginning and 299.9MB in the end (delta: 130.0MB). Free memory was 88.1MB in the beginning and 237.5MB in the end (delta: -149.4MB). Peak memory consumption was 135.9MB. Max. memory is 16.1GB. [2024-10-31 22:02:11,123 INFO L158 Benchmark]: Witness Printer took 104.33ms. Allocated memory is still 299.9MB. Free memory was 237.5MB in the beginning and 232.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:02:11,125 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.48ms. Allocated memory is still 169.9MB. Free memory was 131.3MB in the beginning and 117.4MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.96ms. Allocated memory is still 169.9MB. Free memory was 117.4MB in the beginning and 115.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.73ms. Allocated memory is still 169.9MB. Free memory was 115.2MB in the beginning and 113.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 843.50ms. Allocated memory is still 169.9MB. Free memory was 113.3MB in the beginning and 88.7MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6007.06ms. Allocated memory was 169.9MB in the beginning and 299.9MB in the end (delta: 130.0MB). Free memory was 88.1MB in the beginning and 237.5MB in the end (delta: -149.4MB). Peak memory consumption was 135.9MB. Max. memory is 16.1GB. * Witness Printer took 104.33ms. Allocated memory is still 299.9MB. Free memory was 237.5MB in the beginning and 232.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 525 locations, 51 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.8s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 563 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 592 IncrementalHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 99 mSDtfsCounter, 592 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=664occurred in iteration=0, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1791 NumberOfCodeBlocks, 1791 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1771 ConstructedInterpolants, 0 QuantifiedInterpolants, 1811 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 22:02:11,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdb5e05e-d8e8-4505-bcaa-c9ac6babe991/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE