./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/bin/uautomizer-verify-LYvppIcaGC --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 2d0b9c4fc8b0005fb250fdf1ff8e25835b95e676b1936e4f5fe1cf72245ee5f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:22:41,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:22:41,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-23 18:22:41,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:22:41,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:22:41,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:22:41,798 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:22:41,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:22:41,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:22:41,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:22:41,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:22:41,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:22:41,802 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:22:41,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:22:41,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:22:41,803 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:22:41,803 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:22:41,803 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:22:41,803 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:22:41,803 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:22:41,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:22:41,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:22:41,803 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-23 18:22:41,803 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 18:22:41,803 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:22:41,804 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:22:41,804 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:22:41,804 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:22:41,804 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:22:41,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:22:41,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:22:41,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:22:41,805 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:22:41,805 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:22:41,805 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:22:41,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:22:41,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:22:41,805 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:22:41,805 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:22:41,805 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:22:41,805 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:22:41,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:22:41,806 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:22:41,806 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:22:41,806 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:22:41,806 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:22:41,806 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/bin/uautomizer-verify-LYvppIcaGC 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 -> 2d0b9c4fc8b0005fb250fdf1ff8e25835b95e676b1936e4f5fe1cf72245ee5f5 [2024-11-23 18:22:42,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:22:42,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:22:42,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:22:42,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:22:42,162 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:22:42,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2024-11-23 18:22:45,290 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/bin/uautomizer-verify-LYvppIcaGC/data/eabb2e0aa/d519ec46338a4b4d86d9a8157d58f872/FLAGb1a4854ce [2024-11-23 18:22:45,629 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:22:45,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2024-11-23 18:22:45,645 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/bin/uautomizer-verify-LYvppIcaGC/data/eabb2e0aa/d519ec46338a4b4d86d9a8157d58f872/FLAGb1a4854ce [2024-11-23 18:22:45,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/bin/uautomizer-verify-LYvppIcaGC/data/eabb2e0aa/d519ec46338a4b4d86d9a8157d58f872 [2024-11-23 18:22:45,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:22:45,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:22:45,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:22:45,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:22:45,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:22:45,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:22:45" (1/1) ... [2024-11-23 18:22:45,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@267ac070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:45, skipping insertion in model container [2024-11-23 18:22:45,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:22:45" (1/1) ... [2024-11-23 18:22:45,956 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:22:46,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:22:46,333 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:22:46,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:22:46,440 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:22:46,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:46 WrapperNode [2024-11-23 18:22:46,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:22:46,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:22:46,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:22:46,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:22:46,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:46" (1/1) ... [2024-11-23 18:22:46,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:46" (1/1) ... [2024-11-23 18:22:46,505 INFO L138 Inliner]: procedures = 163, calls = 55, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 125 [2024-11-23 18:22:46,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:22:46,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:22:46,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:22:46,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:22:46,515 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:46" (1/1) ... [2024-11-23 18:22:46,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:46" (1/1) ... [2024-11-23 18:22:46,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:46" (1/1) ... [2024-11-23 18:22:46,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:46" (1/1) ... [2024-11-23 18:22:46,533 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:46" (1/1) ... [2024-11-23 18:22:46,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:46" (1/1) ... [2024-11-23 18:22:46,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:46" (1/1) ... [2024-11-23 18:22:46,542 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:46" (1/1) ... [2024-11-23 18:22:46,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:46" (1/1) ... [2024-11-23 18:22:46,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:22:46,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:22:46,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:22:46,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:22:46,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:46" (1/1) ... [2024-11-23 18:22:46,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:22:46,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:22:46,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:22:46,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:22:46,630 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-23 18:22:46,630 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-23 18:22:46,630 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 18:22:46,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:22:46,630 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-23 18:22:46,630 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-23 18:22:46,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 18:22:46,631 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 18:22:46,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:22:46,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:22:46,632 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 18:22:46,773 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:22:46,775 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:22:47,202 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 18:22:47,202 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:22:47,268 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:22:47,269 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 18:22:47,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:22:47 BoogieIcfgContainer [2024-11-23 18:22:47,269 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:22:47,272 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:22:47,272 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:22:47,285 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:22:47,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:22:45" (1/3) ... [2024-11-23 18:22:47,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43850c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:22:47, skipping insertion in model container [2024-11-23 18:22:47,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:46" (2/3) ... [2024-11-23 18:22:47,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43850c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:22:47, skipping insertion in model container [2024-11-23 18:22:47,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:22:47" (3/3) ... [2024-11-23 18:22:47,288 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i [2024-11-23 18:22:47,308 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:22:47,310 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_27-multiple-protecting2_true.i that has 3 procedures, 208 locations, 1 initial locations, 0 loop locations, and 12 error locations. [2024-11-23 18:22:47,310 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 18:22:47,454 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-23 18:22:47,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 214 places, 215 transitions, 444 flow [2024-11-23 18:22:47,623 INFO L124 PetriNetUnfolderBase]: 8/213 cut-off events. [2024-11-23 18:22:47,626 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-23 18:22:47,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 213 events. 8/213 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 333 event pairs, 0 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 172. Up to 2 conditions per place. [2024-11-23 18:22:47,636 INFO L82 GeneralOperation]: Start removeDead. Operand has 214 places, 215 transitions, 444 flow [2024-11-23 18:22:47,642 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 207 places, 208 transitions, 425 flow [2024-11-23 18:22:47,652 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:22:47,673 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;@21bd834a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:22:47,673 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-23 18:22:47,700 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 18:22:47,701 INFO L124 PetriNetUnfolderBase]: 0/51 cut-off events. [2024-11-23 18:22:47,701 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 18:22:47,701 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:22:47,702 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:47,702 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-23 18:22:47,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:47,710 INFO L85 PathProgramCache]: Analyzing trace with hash -477178526, now seen corresponding path program 1 times [2024-11-23 18:22:47,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:47,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495006948] [2024-11-23 18:22:47,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:47,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:22:48,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:22:48,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495006948] [2024-11-23 18:22:48,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495006948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:48,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:48,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:22:48,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398004217] [2024-11-23 18:22:48,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:48,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:22:48,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:22:48,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:22:48,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:22:48,185 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 215 [2024-11-23 18:22:48,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 208 transitions, 425 flow. Second operand has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:22:48,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:22:48,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 215 [2024-11-23 18:22:48,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:22:51,274 INFO L124 PetriNetUnfolderBase]: 4355/15186 cut-off events. [2024-11-23 18:22:51,275 INFO L125 PetriNetUnfolderBase]: For 56/56 co-relation queries the response was YES. [2024-11-23 18:22:51,336 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22183 conditions, 15186 events. 4355/15186 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 167170 event pairs, 1643 based on Foata normal form. 962/14829 useless extension candidates. Maximal degree in co-relation 22057. Up to 4457 conditions per place. [2024-11-23 18:22:51,420 INFO L140 encePairwiseOnDemand]: 192/215 looper letters, 66 selfloop transitions, 10 changer transitions 0/224 dead transitions. [2024-11-23 18:22:51,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 224 transitions, 615 flow [2024-11-23 18:22:51,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:22:51,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:22:51,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 571 transitions. [2024-11-23 18:22:51,445 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8852713178294573 [2024-11-23 18:22:51,449 INFO L175 Difference]: Start difference. First operand has 207 places, 208 transitions, 425 flow. Second operand 3 states and 571 transitions. [2024-11-23 18:22:51,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 224 transitions, 615 flow [2024-11-23 18:22:51,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 224 transitions, 607 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-23 18:22:51,468 INFO L231 Difference]: Finished difference. Result has 198 places, 198 transitions, 462 flow [2024-11-23 18:22:51,471 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=198, PETRI_TRANSITIONS=198} [2024-11-23 18:22:51,477 INFO L279 CegarLoopForPetriNet]: 207 programPoint places, -9 predicate places. [2024-11-23 18:22:51,478 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 198 transitions, 462 flow [2024-11-23 18:22:51,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:22:51,479 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:22:51,479 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:51,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 18:22:51,480 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-23 18:22:51,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:51,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1757956060, now seen corresponding path program 1 times [2024-11-23 18:22:51,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:51,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710930024] [2024-11-23 18:22:51,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:51,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:51,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:22:51,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:22:51,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710930024] [2024-11-23 18:22:51,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710930024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:51,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:51,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:22:51,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5332123] [2024-11-23 18:22:51,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:51,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:22:51,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:22:51,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:22:51,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:22:51,744 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 215 [2024-11-23 18:22:51,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 198 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:22:51,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:22:51,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 215 [2024-11-23 18:22:51,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:22:54,137 INFO L124 PetriNetUnfolderBase]: 4773/14933 cut-off events. [2024-11-23 18:22:54,138 INFO L125 PetriNetUnfolderBase]: For 2287/2315 co-relation queries the response was YES. [2024-11-23 18:22:54,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24615 conditions, 14933 events. 4773/14933 cut-off events. For 2287/2315 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 162285 event pairs, 3453 based on Foata normal form. 28/13560 useless extension candidates. Maximal degree in co-relation 24457. Up to 6392 conditions per place. [2024-11-23 18:22:54,244 INFO L140 encePairwiseOnDemand]: 208/215 looper letters, 61 selfloop transitions, 8 changer transitions 0/224 dead transitions. [2024-11-23 18:22:54,245 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 224 transitions, 670 flow [2024-11-23 18:22:54,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:22:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:22:54,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2024-11-23 18:22:54,324 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8604651162790697 [2024-11-23 18:22:54,324 INFO L175 Difference]: Start difference. First operand has 198 places, 198 transitions, 462 flow. Second operand 3 states and 555 transitions. [2024-11-23 18:22:54,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 224 transitions, 670 flow [2024-11-23 18:22:54,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 224 transitions, 644 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:22:54,345 INFO L231 Difference]: Finished difference. Result has 200 places, 205 transitions, 514 flow [2024-11-23 18:22:54,351 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=514, PETRI_PLACES=200, PETRI_TRANSITIONS=205} [2024-11-23 18:22:54,352 INFO L279 CegarLoopForPetriNet]: 207 programPoint places, -7 predicate places. [2024-11-23 18:22:54,352 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 205 transitions, 514 flow [2024-11-23 18:22:54,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:22:54,353 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:22:54,353 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:54,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:22:54,353 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-23 18:22:54,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:54,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1039786127, now seen corresponding path program 1 times [2024-11-23 18:22:54,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:54,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945976849] [2024-11-23 18:22:54,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:54,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:54,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:22:54,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:22:54,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945976849] [2024-11-23 18:22:54,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945976849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:54,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:54,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:22:54,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914132234] [2024-11-23 18:22:54,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:54,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:22:54,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:22:54,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:22:54,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:22:54,559 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 215 [2024-11-23 18:22:54,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 205 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:22:54,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:22:54,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 215 [2024-11-23 18:22:54,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:22:57,636 INFO L124 PetriNetUnfolderBase]: 6874/23203 cut-off events. [2024-11-23 18:22:57,636 INFO L125 PetriNetUnfolderBase]: For 723/765 co-relation queries the response was YES. [2024-11-23 18:22:57,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35958 conditions, 23203 events. 6874/23203 cut-off events. For 723/765 co-relation queries the response was YES. Maximal size of possible extension queue 581. Compared 278919 event pairs, 2705 based on Foata normal form. 14/21415 useless extension candidates. Maximal degree in co-relation 35833. Up to 5723 conditions per place. [2024-11-23 18:22:57,778 INFO L140 encePairwiseOnDemand]: 206/215 looper letters, 59 selfloop transitions, 6 changer transitions 0/232 dead transitions. [2024-11-23 18:22:57,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 232 transitions, 699 flow [2024-11-23 18:22:57,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:22:57,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:22:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2024-11-23 18:22:57,781 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8682170542635659 [2024-11-23 18:22:57,781 INFO L175 Difference]: Start difference. First operand has 200 places, 205 transitions, 514 flow. Second operand 3 states and 560 transitions. [2024-11-23 18:22:57,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 232 transitions, 699 flow [2024-11-23 18:22:57,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 232 transitions, 683 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:22:57,789 INFO L231 Difference]: Finished difference. Result has 200 places, 207 transitions, 536 flow [2024-11-23 18:22:57,790 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=536, PETRI_PLACES=200, PETRI_TRANSITIONS=207} [2024-11-23 18:22:57,791 INFO L279 CegarLoopForPetriNet]: 207 programPoint places, -7 predicate places. [2024-11-23 18:22:57,791 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 207 transitions, 536 flow [2024-11-23 18:22:57,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:22:57,792 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:22:57,792 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:57,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 18:22:57,792 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-23 18:22:57,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:57,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1523394632, now seen corresponding path program 1 times [2024-11-23 18:22:57,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:57,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458451478] [2024-11-23 18:22:57,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:57,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:57,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:22:57,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:22:57,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458451478] [2024-11-23 18:22:57,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458451478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:57,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:57,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:22:57,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094801205] [2024-11-23 18:22:57,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:57,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:22:57,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:22:57,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:22:57,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:22:57,954 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 215 [2024-11-23 18:22:57,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 207 transitions, 536 flow. Second operand has 3 states, 3 states have (on average 168.66666666666666) internal successors, (506), 3 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:22:57,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:22:57,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 215 [2024-11-23 18:22:57,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:23:00,979 INFO L124 PetriNetUnfolderBase]: 7740/24641 cut-off events. [2024-11-23 18:23:00,979 INFO L125 PetriNetUnfolderBase]: For 3856/3962 co-relation queries the response was YES. [2024-11-23 18:23:01,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41371 conditions, 24641 events. 7740/24641 cut-off events. For 3856/3962 co-relation queries the response was YES. Maximal size of possible extension queue 665. Compared 297555 event pairs, 5376 based on Foata normal form. 14/22559 useless extension candidates. Maximal degree in co-relation 41247. Up to 10216 conditions per place. [2024-11-23 18:23:01,110 INFO L140 encePairwiseOnDemand]: 210/215 looper letters, 57 selfloop transitions, 4 changer transitions 0/229 dead transitions. [2024-11-23 18:23:01,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 229 transitions, 707 flow [2024-11-23 18:23:01,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:23:01,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:23:01,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 557 transitions. [2024-11-23 18:23:01,114 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8635658914728682 [2024-11-23 18:23:01,116 INFO L175 Difference]: Start difference. First operand has 200 places, 207 transitions, 536 flow. Second operand 3 states and 557 transitions. [2024-11-23 18:23:01,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 229 transitions, 707 flow [2024-11-23 18:23:01,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 229 transitions, 693 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:23:01,129 INFO L231 Difference]: Finished difference. Result has 202 places, 210 transitions, 556 flow [2024-11-23 18:23:01,130 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=524, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=556, PETRI_PLACES=202, PETRI_TRANSITIONS=210} [2024-11-23 18:23:01,131 INFO L279 CegarLoopForPetriNet]: 207 programPoint places, -5 predicate places. [2024-11-23 18:23:01,131 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 210 transitions, 556 flow [2024-11-23 18:23:01,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.66666666666666) internal successors, (506), 3 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:23:01,131 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:23:01,131 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:23:01,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 18:23:01,132 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-23 18:23:01,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:23:01,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1476059165, now seen corresponding path program 1 times [2024-11-23 18:23:01,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:23:01,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041596268] [2024-11-23 18:23:01,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:23:01,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:23:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:23:01,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:23:01,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:23:01,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041596268] [2024-11-23 18:23:01,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041596268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:23:01,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:23:01,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:23:01,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670747669] [2024-11-23 18:23:01,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:23:01,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:23:01,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:23:01,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:23:01,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:23:01,649 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 215 [2024-11-23 18:23:01,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 210 transitions, 556 flow. Second operand has 5 states, 5 states have (on average 174.6) internal successors, (873), 5 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:23:01,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:23:01,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 215 [2024-11-23 18:23:01,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:23:03,047 INFO L124 PetriNetUnfolderBase]: 1980/10595 cut-off events. [2024-11-23 18:23:03,048 INFO L125 PetriNetUnfolderBase]: For 425/498 co-relation queries the response was YES. [2024-11-23 18:23:03,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15886 conditions, 10595 events. 1980/10595 cut-off events. For 425/498 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 124128 event pairs, 607 based on Foata normal form. 109/9923 useless extension candidates. Maximal degree in co-relation 15759. Up to 1748 conditions per place. [2024-11-23 18:23:03,113 INFO L140 encePairwiseOnDemand]: 207/215 looper letters, 44 selfloop transitions, 8 changer transitions 0/233 dead transitions. [2024-11-23 18:23:03,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 233 transitions, 708 flow [2024-11-23 18:23:03,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:23:03,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-23 18:23:03,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 919 transitions. [2024-11-23 18:23:03,116 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8548837209302326 [2024-11-23 18:23:03,117 INFO L175 Difference]: Start difference. First operand has 202 places, 210 transitions, 556 flow. Second operand 5 states and 919 transitions. [2024-11-23 18:23:03,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 233 transitions, 708 flow [2024-11-23 18:23:03,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 233 transitions, 700 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:23:03,124 INFO L231 Difference]: Finished difference. Result has 205 places, 214 transitions, 586 flow [2024-11-23 18:23:03,125 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=586, PETRI_PLACES=205, PETRI_TRANSITIONS=214} [2024-11-23 18:23:03,126 INFO L279 CegarLoopForPetriNet]: 207 programPoint places, -2 predicate places. [2024-11-23 18:23:03,126 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 214 transitions, 586 flow [2024-11-23 18:23:03,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 174.6) internal successors, (873), 5 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:23:03,127 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:23:03,127 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:23:03,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 18:23:03,128 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-23 18:23:03,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:23:03,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1686946676, now seen corresponding path program 1 times [2024-11-23 18:23:03,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:23:03,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770438701] [2024-11-23 18:23:03,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:23:03,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:23:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:23:03,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:23:03,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:23:03,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770438701] [2024-11-23 18:23:03,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770438701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:23:03,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:23:03,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:23:03,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110222623] [2024-11-23 18:23:03,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:23:03,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:23:03,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:23:03,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:23:03,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:23:03,420 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 215 [2024-11-23 18:23:03,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 214 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:23:03,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:23:03,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 215 [2024-11-23 18:23:03,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:23:05,053 INFO L124 PetriNetUnfolderBase]: 3946/14426 cut-off events. [2024-11-23 18:23:05,054 INFO L125 PetriNetUnfolderBase]: For 3501/3511 co-relation queries the response was YES. [2024-11-23 18:23:05,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26551 conditions, 14426 events. 3946/14426 cut-off events. For 3501/3511 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 165817 event pairs, 2498 based on Foata normal form. 2/13437 useless extension candidates. Maximal degree in co-relation 26386. Up to 6071 conditions per place. [2024-11-23 18:23:05,107 INFO L140 encePairwiseOnDemand]: 208/215 looper letters, 70 selfloop transitions, 8 changer transitions 2/242 dead transitions. [2024-11-23 18:23:05,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 242 transitions, 840 flow [2024-11-23 18:23:05,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:23:05,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:23:05,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2024-11-23 18:23:05,110 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8604651162790697 [2024-11-23 18:23:05,110 INFO L175 Difference]: Start difference. First operand has 205 places, 214 transitions, 586 flow. Second operand 3 states and 555 transitions. [2024-11-23 18:23:05,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 242 transitions, 840 flow [2024-11-23 18:23:05,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 242 transitions, 837 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:23:05,118 INFO L231 Difference]: Finished difference. Result has 207 places, 221 transitions, 665 flow [2024-11-23 18:23:05,118 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=583, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=665, PETRI_PLACES=207, PETRI_TRANSITIONS=221} [2024-11-23 18:23:05,119 INFO L279 CegarLoopForPetriNet]: 207 programPoint places, 0 predicate places. [2024-11-23 18:23:05,119 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 221 transitions, 665 flow [2024-11-23 18:23:05,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:23:05,120 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:23:05,120 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:23:05,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 18:23:05,121 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t2_funErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-23 18:23:05,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:23:05,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1464912069, now seen corresponding path program 1 times [2024-11-23 18:23:05,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:23:05,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153501456] [2024-11-23 18:23:05,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:23:05,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:23:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:23:05,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:23:05,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:23:05,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153501456] [2024-11-23 18:23:05,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153501456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:23:05,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:23:05,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:23:05,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073531118] [2024-11-23 18:23:05,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:23:05,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:23:05,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:23:05,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:23:05,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:23:05,218 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 215 [2024-11-23 18:23:05,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 221 transitions, 665 flow. Second operand has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:23:05,220 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:23:05,220 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 215 [2024-11-23 18:23:05,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:23:07,656 INFO L124 PetriNetUnfolderBase]: 3679/15023 cut-off events. [2024-11-23 18:23:07,656 INFO L125 PetriNetUnfolderBase]: For 3682/3804 co-relation queries the response was YES. [2024-11-23 18:23:07,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27279 conditions, 15023 events. 3679/15023 cut-off events. For 3682/3804 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 176864 event pairs, 2162 based on Foata normal form. 4/13778 useless extension candidates. Maximal degree in co-relation 27144. Up to 5227 conditions per place. [2024-11-23 18:23:07,710 INFO L140 encePairwiseOnDemand]: 210/215 looper letters, 61 selfloop transitions, 4 changer transitions 3/245 dead transitions. [2024-11-23 18:23:07,710 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 245 transitions, 873 flow [2024-11-23 18:23:07,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:23:07,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:23:07,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 557 transitions. [2024-11-23 18:23:07,712 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8635658914728682 [2024-11-23 18:23:07,712 INFO L175 Difference]: Start difference. First operand has 207 places, 221 transitions, 665 flow. Second operand 3 states and 557 transitions. [2024-11-23 18:23:07,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 245 transitions, 873 flow [2024-11-23 18:23:07,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 245 transitions, 847 flow, removed 5 selfloop flow, removed 2 redundant places. [2024-11-23 18:23:07,724 INFO L231 Difference]: Finished difference. Result has 209 places, 224 transitions, 673 flow [2024-11-23 18:23:07,725 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=673, PETRI_PLACES=209, PETRI_TRANSITIONS=224} [2024-11-23 18:23:07,726 INFO L279 CegarLoopForPetriNet]: 207 programPoint places, 2 predicate places. [2024-11-23 18:23:07,726 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 224 transitions, 673 flow [2024-11-23 18:23:07,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:23:07,727 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:23:07,727 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:23:07,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 18:23:07,727 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-23 18:23:07,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:23:07,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1475972710, now seen corresponding path program 1 times [2024-11-23 18:23:07,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:23:07,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815379304] [2024-11-23 18:23:07,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:23:07,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:23:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:23:08,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:23:08,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:23:08,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815379304] [2024-11-23 18:23:08,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815379304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:23:08,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:23:08,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:23:08,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846380351] [2024-11-23 18:23:08,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:23:08,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:23:08,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:23:08,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:23:08,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:23:08,267 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 215 [2024-11-23 18:23:08,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 224 transitions, 673 flow. Second operand has 5 states, 5 states have (on average 175.6) internal successors, (878), 5 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:23:08,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:23:08,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 215 [2024-11-23 18:23:08,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:23:09,521 INFO L124 PetriNetUnfolderBase]: 1335/7857 cut-off events. [2024-11-23 18:23:09,521 INFO L125 PetriNetUnfolderBase]: For 1577/1625 co-relation queries the response was YES. [2024-11-23 18:23:09,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13361 conditions, 7857 events. 1335/7857 cut-off events. For 1577/1625 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 87412 event pairs, 374 based on Foata normal form. 24/7458 useless extension candidates. Maximal degree in co-relation 13225. Up to 1346 conditions per place. [2024-11-23 18:23:09,550 INFO L140 encePairwiseOnDemand]: 207/215 looper letters, 40 selfloop transitions, 10 changer transitions 13/250 dead transitions. [2024-11-23 18:23:09,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 250 transitions, 867 flow [2024-11-23 18:23:09,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:23:09,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-23 18:23:09,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 919 transitions. [2024-11-23 18:23:09,553 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8548837209302326 [2024-11-23 18:23:09,553 INFO L175 Difference]: Start difference. First operand has 209 places, 224 transitions, 673 flow. Second operand 5 states and 919 transitions. [2024-11-23 18:23:09,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 250 transitions, 867 flow [2024-11-23 18:23:09,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 250 transitions, 857 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-23 18:23:09,564 INFO L231 Difference]: Finished difference. Result has 212 places, 223 transitions, 699 flow [2024-11-23 18:23:09,564 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=663, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=699, PETRI_PLACES=212, PETRI_TRANSITIONS=223} [2024-11-23 18:23:09,565 INFO L279 CegarLoopForPetriNet]: 207 programPoint places, 5 predicate places. [2024-11-23 18:23:09,565 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 223 transitions, 699 flow [2024-11-23 18:23:09,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 175.6) internal successors, (878), 5 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:23:09,566 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:23:09,566 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:23:09,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 18:23:09,566 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-23 18:23:09,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:23:09,567 INFO L85 PathProgramCache]: Analyzing trace with hash -67412236, now seen corresponding path program 1 times [2024-11-23 18:23:09,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:23:09,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374488367] [2024-11-23 18:23:09,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:23:09,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:23:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:23:09,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:23:09,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:23:09,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374488367] [2024-11-23 18:23:09,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374488367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:23:09,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:23:09,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:23:09,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853009525] [2024-11-23 18:23:09,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:23:09,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:23:09,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:23:09,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:23:09,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:23:09,782 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 215 [2024-11-23 18:23:09,783 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 223 transitions, 699 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:23:09,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:23:09,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 215 [2024-11-23 18:23:09,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:23:10,512 INFO L124 PetriNetUnfolderBase]: 818/7273 cut-off events. [2024-11-23 18:23:10,513 INFO L125 PetriNetUnfolderBase]: For 2285/2317 co-relation queries the response was YES. [2024-11-23 18:23:10,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12563 conditions, 7273 events. 818/7273 cut-off events. For 2285/2317 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 80053 event pairs, 233 based on Foata normal form. 167/7150 useless extension candidates. Maximal degree in co-relation 7911. Up to 1260 conditions per place. [2024-11-23 18:23:10,532 INFO L140 encePairwiseOnDemand]: 195/215 looper letters, 24 selfloop transitions, 20 changer transitions 15/247 dead transitions. [2024-11-23 18:23:10,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 247 transitions, 931 flow [2024-11-23 18:23:10,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:23:10,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:23:10,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 576 transitions. [2024-11-23 18:23:10,534 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8930232558139535 [2024-11-23 18:23:10,534 INFO L175 Difference]: Start difference. First operand has 212 places, 223 transitions, 699 flow. Second operand 3 states and 576 transitions. [2024-11-23 18:23:10,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 247 transitions, 931 flow [2024-11-23 18:23:10,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 247 transitions, 928 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:23:10,543 INFO L231 Difference]: Finished difference. Result has 213 places, 227 transitions, 789 flow [2024-11-23 18:23:10,544 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=696, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=789, PETRI_PLACES=213, PETRI_TRANSITIONS=227} [2024-11-23 18:23:10,545 INFO L279 CegarLoopForPetriNet]: 207 programPoint places, 6 predicate places. [2024-11-23 18:23:10,545 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 227 transitions, 789 flow [2024-11-23 18:23:10,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:23:10,546 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:23:10,546 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:23:10,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 18:23:10,547 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-23 18:23:10,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:23:10,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1420638874, now seen corresponding path program 2 times [2024-11-23 18:23:10,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:23:10,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56878002] [2024-11-23 18:23:10,548 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 18:23:10,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:23:10,586 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 18:23:10,588 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 18:23:11,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:23:11,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:23:11,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56878002] [2024-11-23 18:23:11,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56878002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:23:11,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:23:11,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:23:11,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968569165] [2024-11-23 18:23:11,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:23:11,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:23:11,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:23:11,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:23:11,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:23:11,259 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 215 [2024-11-23 18:23:11,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 227 transitions, 789 flow. Second operand has 7 states, 7 states have (on average 174.14285714285714) internal successors, (1219), 7 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:23:11,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:23:11,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 215 [2024-11-23 18:23:11,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:23:11,764 INFO L124 PetriNetUnfolderBase]: 149/2619 cut-off events. [2024-11-23 18:23:11,765 INFO L125 PetriNetUnfolderBase]: For 1537/1594 co-relation queries the response was YES. [2024-11-23 18:23:11,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4927 conditions, 2619 events. 149/2619 cut-off events. For 1537/1594 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 21453 event pairs, 65 based on Foata normal form. 37/2571 useless extension candidates. Maximal degree in co-relation 3375. Up to 426 conditions per place. [2024-11-23 18:23:11,775 INFO L140 encePairwiseOnDemand]: 208/215 looper letters, 27 selfloop transitions, 7 changer transitions 13/207 dead transitions. [2024-11-23 18:23:11,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 207 transitions, 773 flow [2024-11-23 18:23:11,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:23:11,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 18:23:11,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1070 transitions. [2024-11-23 18:23:11,780 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8294573643410853 [2024-11-23 18:23:11,780 INFO L175 Difference]: Start difference. First operand has 213 places, 227 transitions, 789 flow. Second operand 6 states and 1070 transitions. [2024-11-23 18:23:11,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 207 transitions, 773 flow [2024-11-23 18:23:11,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 207 transitions, 713 flow, removed 14 selfloop flow, removed 5 redundant places. [2024-11-23 18:23:11,802 INFO L231 Difference]: Finished difference. Result has 208 places, 190 transitions, 534 flow [2024-11-23 18:23:11,809 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=534, PETRI_PLACES=208, PETRI_TRANSITIONS=190} [2024-11-23 18:23:11,810 INFO L279 CegarLoopForPetriNet]: 207 programPoint places, 1 predicate places. [2024-11-23 18:23:11,811 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 190 transitions, 534 flow [2024-11-23 18:23:11,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 174.14285714285714) internal successors, (1219), 7 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:23:11,813 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:23:11,817 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:23:11,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 18:23:11,817 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t2_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-23 18:23:11,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:23:11,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1016827974, now seen corresponding path program 1 times [2024-11-23 18:23:11,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:23:11,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682702091] [2024-11-23 18:23:11,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:23:11,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:23:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:23:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:23:12,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:23:12,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682702091] [2024-11-23 18:23:12,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682702091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:23:12,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:23:12,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 18:23:12,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925291831] [2024-11-23 18:23:12,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:23:12,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 18:23:12,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:23:12,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 18:23:12,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:23:12,838 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 215 [2024-11-23 18:23:12,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 190 transitions, 534 flow. Second operand has 8 states, 8 states have (on average 174.5) internal successors, (1396), 8 states have internal predecessors, (1396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:23:12,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:23:12,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 215 [2024-11-23 18:23:12,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:23:13,098 INFO L124 PetriNetUnfolderBase]: 41/736 cut-off events. [2024-11-23 18:23:13,098 INFO L125 PetriNetUnfolderBase]: For 331/344 co-relation queries the response was YES. [2024-11-23 18:23:13,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1260 conditions, 736 events. 41/736 cut-off events. For 331/344 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 3539 event pairs, 14 based on Foata normal form. 2/718 useless extension candidates. Maximal degree in co-relation 1131. Up to 118 conditions per place. [2024-11-23 18:23:13,101 INFO L140 encePairwiseOnDemand]: 208/215 looper letters, 0 selfloop transitions, 0 changer transitions 190/190 dead transitions. [2024-11-23 18:23:13,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 190 transitions, 615 flow [2024-11-23 18:23:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:23:13,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 18:23:13,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1072 transitions. [2024-11-23 18:23:13,105 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8310077519379845 [2024-11-23 18:23:13,106 INFO L175 Difference]: Start difference. First operand has 208 places, 190 transitions, 534 flow. Second operand 6 states and 1072 transitions. [2024-11-23 18:23:13,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 190 transitions, 615 flow [2024-11-23 18:23:13,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 190 transitions, 564 flow, removed 6 selfloop flow, removed 11 redundant places. [2024-11-23 18:23:13,114 INFO L231 Difference]: Finished difference. Result has 198 places, 0 transitions, 0 flow [2024-11-23 18:23:13,115 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=198, PETRI_TRANSITIONS=0} [2024-11-23 18:23:13,116 INFO L279 CegarLoopForPetriNet]: 207 programPoint places, -9 predicate places. [2024-11-23 18:23:13,116 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 0 transitions, 0 flow [2024-11-23 18:23:13,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 174.5) internal successors, (1396), 8 states have internal predecessors, (1396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:23:13,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2024-11-23 18:23:13,125 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2024-11-23 18:23:13,125 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2024-11-23 18:23:13,125 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2024-11-23 18:23:13,125 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2024-11-23 18:23:13,127 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2024-11-23 18:23:13,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2024-11-23 18:23:13,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2024-11-23 18:23:13,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 22 remaining) [2024-11-23 18:23:13,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 22 remaining) [2024-11-23 18:23:13,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2024-11-23 18:23:13,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2024-11-23 18:23:13,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2024-11-23 18:23:13,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2024-11-23 18:23:13,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2024-11-23 18:23:13,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2024-11-23 18:23:13,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2024-11-23 18:23:13,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2024-11-23 18:23:13,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2024-11-23 18:23:13,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2024-11-23 18:23:13,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2024-11-23 18:23:13,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2024-11-23 18:23:13,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 18:23:13,130 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:23:13,137 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 18:23:13,137 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:23:13,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:23:13 BasicIcfg [2024-11-23 18:23:13,148 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:23:13,149 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:23:13,149 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:23:13,149 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:23:13,166 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:22:47" (3/4) ... [2024-11-23 18:23:13,168 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 18:23:13,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2_fun [2024-11-23 18:23:13,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-23 18:23:13,179 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-23 18:23:13,180 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 18:23:13,180 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 18:23:13,180 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 18:23:13,271 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 18:23:13,271 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 18:23:13,271 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:23:13,272 INFO L158 Benchmark]: Toolchain (without parser) took 27380.64ms. Allocated memory was 117.4MB in the beginning and 5.4GB in the end (delta: 5.3GB). Free memory was 91.6MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-23 18:23:13,273 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:23:13,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.33ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 70.9MB in the end (delta: 20.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 18:23:13,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.83ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 68.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:23:13,274 INFO L158 Benchmark]: Boogie Preprocessor took 43.40ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 67.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:23:13,276 INFO L158 Benchmark]: RCFGBuilder took 719.42ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 43.9MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 18:23:13,277 INFO L158 Benchmark]: TraceAbstraction took 25875.75ms. Allocated memory was 117.4MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 43.2MB in the beginning and 1.3GB in the end (delta: -1.3GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-23 18:23:13,277 INFO L158 Benchmark]: Witness Printer took 122.63ms. Allocated memory was 2.7GB in the beginning and 5.4GB in the end (delta: 2.7GB). Free memory was 1.3GB in the beginning and 4.7GB in the end (delta: -3.4GB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:23:13,279 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.33ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 70.9MB in the end (delta: 20.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.83ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 68.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.40ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 67.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 719.42ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 43.9MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 25875.75ms. Allocated memory was 117.4MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 43.2MB in the beginning and 1.3GB in the end (delta: -1.3GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 122.63ms. Allocated memory was 2.7GB in the beginning and 5.4GB in the end (delta: 2.7GB). Free memory was 1.3GB in the beginning and 4.7GB in the end (delta: -3.4GB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: 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, 286 locations, 22 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: 25.6s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 21.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 909 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 643 mSDsluCounter, 136 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 149 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1458 IncrementalHoareTripleChecker+Invalid, 1607 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 149 mSolverCounterUnsat, 50 mSDtfsCounter, 1458 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=789occurred in iteration=9, InterpolantAutomatonStates: 43, 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, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 780 NumberOfCodeBlocks, 780 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 769 ConstructedInterpolants, 0 QuantifiedInterpolants, 2990 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 18:23:13,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_297bf0a8-fd74-4b1f-bbe9-7827d3d17d01/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE