./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-sre-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-sre-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86fd3f5568a14080e9383b358193a040777497b13f7355a03ef8d73bf4678822 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:50:23,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:50:23,464 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 19:50:23,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:50:23,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:50:23,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:50:23,510 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:50:23,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:50:23,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:50:23,511 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:50:23,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:50:23,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:50:23,512 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:50:23,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:50:23,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:50:23,512 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:50:23,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:50:23,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:50:23,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:50:23,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:50:23,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:50:23,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:50:23,513 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 19:50:23,513 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 19:50:23,514 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:50:23,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:50:23,514 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:50:23,514 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:50:23,514 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:50:23,514 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:23,515 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:50:23,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:23,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:50:23,515 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:23,515 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:50:23,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:23,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:50:23,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:50:23,516 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:50:23,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:50:23,516 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:50:23,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:50:23,516 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:50:23,516 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:50:23,517 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:50:23,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:50:23,517 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_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86fd3f5568a14080e9383b358193a040777497b13f7355a03ef8d73bf4678822 [2024-11-27 19:50:23,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:50:23,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:50:23,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:50:23,893 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:50:23,893 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:50:23,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/chl-sre-trans.wvr.c [2024-11-27 19:50:26,935 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/bin/uautomizer-verify-aQ6SnzHsRB/data/6362dc702/c09a6c3d241048bb85a6760a6f60d69d/FLAGce5517d48 [2024-11-27 19:50:27,228 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:50:27,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/sv-benchmarks/c/weaver/chl-sre-trans.wvr.c [2024-11-27 19:50:27,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/bin/uautomizer-verify-aQ6SnzHsRB/data/6362dc702/c09a6c3d241048bb85a6760a6f60d69d/FLAGce5517d48 [2024-11-27 19:50:27,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/bin/uautomizer-verify-aQ6SnzHsRB/data/6362dc702/c09a6c3d241048bb85a6760a6f60d69d [2024-11-27 19:50:27,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:50:27,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:50:27,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:27,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:50:27,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:50:27,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:27" (1/1) ... [2024-11-27 19:50:27,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51053fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:27, skipping insertion in model container [2024-11-27 19:50:27,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:27" (1/1) ... [2024-11-27 19:50:27,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:50:27,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:27,534 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:50:27,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:27,602 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:50:27,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:27 WrapperNode [2024-11-27 19:50:27,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:27,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:27,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:50:27,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:50:27,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:27" (1/1) ... [2024-11-27 19:50:27,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:27" (1/1) ... [2024-11-27 19:50:27,650 INFO L138 Inliner]: procedures = 21, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2024-11-27 19:50:27,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:27,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:50:27,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:50:27,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:50:27,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:27" (1/1) ... [2024-11-27 19:50:27,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:27" (1/1) ... [2024-11-27 19:50:27,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:27" (1/1) ... [2024-11-27 19:50:27,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:27" (1/1) ... [2024-11-27 19:50:27,686 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:27" (1/1) ... [2024-11-27 19:50:27,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:27" (1/1) ... [2024-11-27 19:50:27,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:27" (1/1) ... [2024-11-27 19:50:27,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:27" (1/1) ... [2024-11-27 19:50:27,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:27" (1/1) ... [2024-11-27 19:50:27,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:50:27,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:50:27,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:50:27,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:50:27,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:27" (1/1) ... [2024-11-27 19:50:27,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:27,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:27,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:27,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:50:27,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:50:27,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 19:50:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 19:50:27,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 19:50:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 19:50:27,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-27 19:50:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-27 19:50:27,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 19:50:27,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:50:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:50:27,791 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 19:50:27,945 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:50:27,947 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:50:28,384 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 19:50:28,384 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:50:28,417 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:50:28,420 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 19:50:28,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:28 BoogieIcfgContainer [2024-11-27 19:50:28,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:50:28,424 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:50:28,425 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:50:28,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:50:28,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:50:27" (1/3) ... [2024-11-27 19:50:28,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab3540a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:50:28, skipping insertion in model container [2024-11-27 19:50:28,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:27" (2/3) ... [2024-11-27 19:50:28,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab3540a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:50:28, skipping insertion in model container [2024-11-27 19:50:28,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:28" (3/3) ... [2024-11-27 19:50:28,437 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-sre-trans.wvr.c [2024-11-27 19:50:28,461 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:50:28,464 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-sre-trans.wvr.c that has 4 procedures, 167 locations, 1 initial locations, 0 loop locations, and 18 error locations. [2024-11-27 19:50:28,464 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 19:50:28,638 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-27 19:50:28,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 176 places, 172 transitions, 365 flow [2024-11-27 19:50:28,834 INFO L124 PetriNetUnfolderBase]: 6/169 cut-off events. [2024-11-27 19:50:28,839 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-27 19:50:28,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 169 events. 6/169 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 247 event pairs, 0 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 109. Up to 2 conditions per place. [2024-11-27 19:50:28,848 INFO L82 GeneralOperation]: Start removeDead. Operand has 176 places, 172 transitions, 365 flow [2024-11-27 19:50:28,855 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 154 places, 148 transitions, 314 flow [2024-11-27 19:50:28,866 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:50:28,882 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;@70a04608, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:50:28,883 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-11-27 19:50:28,903 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 19:50:28,903 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-27 19:50:28,903 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 19:50:28,903 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:28,904 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:50:28,905 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-27 19:50:28,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:28,917 INFO L85 PathProgramCache]: Analyzing trace with hash 399894186, now seen corresponding path program 1 times [2024-11-27 19:50:28,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:28,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115336195] [2024-11-27 19:50:28,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:28,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:29,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:29,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:29,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115336195] [2024-11-27 19:50:29,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115336195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:29,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:29,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:29,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004235426] [2024-11-27 19:50:29,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:29,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:29,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:29,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:29,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:29,324 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 172 [2024-11-27 19:50:29,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 148 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:29,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:29,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 172 [2024-11-27 19:50:29,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:29,506 INFO L124 PetriNetUnfolderBase]: 12/220 cut-off events. [2024-11-27 19:50:29,507 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-27 19:50:29,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 263 conditions, 220 events. 12/220 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 609 event pairs, 5 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 170. Up to 22 conditions per place. [2024-11-27 19:50:29,514 INFO L140 encePairwiseOnDemand]: 169/172 looper letters, 11 selfloop transitions, 2 changer transitions 0/147 dead transitions. [2024-11-27 19:50:29,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 147 transitions, 338 flow [2024-11-27 19:50:29,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:29,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:29,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 479 transitions. [2024-11-27 19:50:29,539 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9282945736434108 [2024-11-27 19:50:29,541 INFO L175 Difference]: Start difference. First operand has 154 places, 148 transitions, 314 flow. Second operand 3 states and 479 transitions. [2024-11-27 19:50:29,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 147 transitions, 338 flow [2024-11-27 19:50:29,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 147 transitions, 326 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-27 19:50:29,557 INFO L231 Difference]: Finished difference. Result has 149 places, 147 transitions, 304 flow [2024-11-27 19:50:29,561 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=149, PETRI_TRANSITIONS=147} [2024-11-27 19:50:29,567 INFO L279 CegarLoopForPetriNet]: 154 programPoint places, -5 predicate places. [2024-11-27 19:50:29,568 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 147 transitions, 304 flow [2024-11-27 19:50:29,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:29,570 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:29,570 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] [2024-11-27 19:50:29,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 19:50:29,571 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-27 19:50:29,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:29,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1680129586, now seen corresponding path program 1 times [2024-11-27 19:50:29,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:29,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210681243] [2024-11-27 19:50:29,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:29,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:29,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:29,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:29,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210681243] [2024-11-27 19:50:29,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210681243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:29,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:29,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:29,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421510367] [2024-11-27 19:50:29,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:29,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:29,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:29,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:29,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:29,744 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 172 [2024-11-27 19:50:29,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 147 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:29,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:29,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 172 [2024-11-27 19:50:29,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:29,865 INFO L124 PetriNetUnfolderBase]: 23/303 cut-off events. [2024-11-27 19:50:29,865 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-27 19:50:29,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 354 conditions, 303 events. 23/303 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1104 event pairs, 12 based on Foata normal form. 0/248 useless extension candidates. Maximal degree in co-relation 323. Up to 35 conditions per place. [2024-11-27 19:50:29,874 INFO L140 encePairwiseOnDemand]: 169/172 looper letters, 12 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2024-11-27 19:50:29,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 146 transitions, 330 flow [2024-11-27 19:50:29,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:29,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:29,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 477 transitions. [2024-11-27 19:50:29,881 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9244186046511628 [2024-11-27 19:50:29,881 INFO L175 Difference]: Start difference. First operand has 149 places, 147 transitions, 304 flow. Second operand 3 states and 477 transitions. [2024-11-27 19:50:29,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 146 transitions, 330 flow [2024-11-27 19:50:29,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 146 transitions, 326 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:50:29,888 INFO L231 Difference]: Finished difference. Result has 148 places, 146 transitions, 302 flow [2024-11-27 19:50:29,889 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=148, PETRI_TRANSITIONS=146} [2024-11-27 19:50:29,890 INFO L279 CegarLoopForPetriNet]: 154 programPoint places, -6 predicate places. [2024-11-27 19:50:29,892 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 146 transitions, 302 flow [2024-11-27 19:50:29,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:29,893 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:29,893 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] [2024-11-27 19:50:29,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:50:29,894 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-27 19:50:29,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:29,895 INFO L85 PathProgramCache]: Analyzing trace with hash -631823420, now seen corresponding path program 1 times [2024-11-27 19:50:29,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:29,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236064911] [2024-11-27 19:50:29,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:29,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:29,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:29,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:29,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236064911] [2024-11-27 19:50:29,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236064911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:29,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:29,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:29,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648571860] [2024-11-27 19:50:29,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:29,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:29,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:29,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:29,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:30,059 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 172 [2024-11-27 19:50:30,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 146 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:30,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:30,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 172 [2024-11-27 19:50:30,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:30,180 INFO L124 PetriNetUnfolderBase]: 32/317 cut-off events. [2024-11-27 19:50:30,181 INFO L125 PetriNetUnfolderBase]: For 13/17 co-relation queries the response was YES. [2024-11-27 19:50:30,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 317 events. 32/317 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1141 event pairs, 20 based on Foata normal form. 0/264 useless extension candidates. Maximal degree in co-relation 339. Up to 50 conditions per place. [2024-11-27 19:50:30,187 INFO L140 encePairwiseOnDemand]: 169/172 looper letters, 13 selfloop transitions, 2 changer transitions 0/145 dead transitions. [2024-11-27 19:50:30,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 145 transitions, 330 flow [2024-11-27 19:50:30,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:30,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:30,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions. [2024-11-27 19:50:30,192 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9205426356589147 [2024-11-27 19:50:30,192 INFO L175 Difference]: Start difference. First operand has 148 places, 146 transitions, 302 flow. Second operand 3 states and 475 transitions. [2024-11-27 19:50:30,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 145 transitions, 330 flow [2024-11-27 19:50:30,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 145 transitions, 326 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:50:30,197 INFO L231 Difference]: Finished difference. Result has 147 places, 145 transitions, 300 flow [2024-11-27 19:50:30,198 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=300, PETRI_PLACES=147, PETRI_TRANSITIONS=145} [2024-11-27 19:50:30,199 INFO L279 CegarLoopForPetriNet]: 154 programPoint places, -7 predicate places. [2024-11-27 19:50:30,199 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 145 transitions, 300 flow [2024-11-27 19:50:30,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:30,202 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:30,202 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] [2024-11-27 19:50:30,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 19:50:30,203 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-27 19:50:30,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:30,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1537050951, now seen corresponding path program 1 times [2024-11-27 19:50:30,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:30,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969247052] [2024-11-27 19:50:30,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:30,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:30,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:30,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969247052] [2024-11-27 19:50:30,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969247052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:30,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:30,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:30,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013885576] [2024-11-27 19:50:30,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:30,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:30,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:30,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:30,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:30,305 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 172 [2024-11-27 19:50:30,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 145 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:30,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:30,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 172 [2024-11-27 19:50:30,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:30,370 INFO L124 PetriNetUnfolderBase]: 23/312 cut-off events. [2024-11-27 19:50:30,371 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-27 19:50:30,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 312 events. 23/312 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1222 event pairs, 8 based on Foata normal form. 0/263 useless extension candidates. Maximal degree in co-relation 312. Up to 31 conditions per place. [2024-11-27 19:50:30,374 INFO L140 encePairwiseOnDemand]: 168/172 looper letters, 13 selfloop transitions, 2 changer transitions 0/147 dead transitions. [2024-11-27 19:50:30,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 147 transitions, 336 flow [2024-11-27 19:50:30,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:30,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:30,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2024-11-27 19:50:30,376 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9457364341085271 [2024-11-27 19:50:30,376 INFO L175 Difference]: Start difference. First operand has 147 places, 145 transitions, 300 flow. Second operand 3 states and 488 transitions. [2024-11-27 19:50:30,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 147 transitions, 336 flow [2024-11-27 19:50:30,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 147 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:50:30,381 INFO L231 Difference]: Finished difference. Result has 146 places, 145 transitions, 306 flow [2024-11-27 19:50:30,381 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=146, PETRI_TRANSITIONS=145} [2024-11-27 19:50:30,382 INFO L279 CegarLoopForPetriNet]: 154 programPoint places, -8 predicate places. [2024-11-27 19:50:30,382 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 145 transitions, 306 flow [2024-11-27 19:50:30,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:30,382 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:30,382 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] [2024-11-27 19:50:30,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 19:50:30,383 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-27 19:50:30,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:30,383 INFO L85 PathProgramCache]: Analyzing trace with hash -362773143, now seen corresponding path program 1 times [2024-11-27 19:50:30,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:30,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899841886] [2024-11-27 19:50:30,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:30,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:30,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:30,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:30,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899841886] [2024-11-27 19:50:30,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899841886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:30,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:30,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:30,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450704287] [2024-11-27 19:50:30,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:30,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:30,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:30,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:30,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:30,509 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 172 [2024-11-27 19:50:30,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 145 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:30,510 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:30,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 172 [2024-11-27 19:50:30,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:30,631 INFO L124 PetriNetUnfolderBase]: 59/531 cut-off events. [2024-11-27 19:50:30,631 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-27 19:50:30,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 643 conditions, 531 events. 59/531 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3120 event pairs, 29 based on Foata normal form. 0/443 useless extension candidates. Maximal degree in co-relation 538. Up to 73 conditions per place. [2024-11-27 19:50:30,637 INFO L140 encePairwiseOnDemand]: 167/172 looper letters, 15 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2024-11-27 19:50:30,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 146 transitions, 344 flow [2024-11-27 19:50:30,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:30,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:30,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 482 transitions. [2024-11-27 19:50:30,640 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9341085271317829 [2024-11-27 19:50:30,640 INFO L175 Difference]: Start difference. First operand has 146 places, 145 transitions, 306 flow. Second operand 3 states and 482 transitions. [2024-11-27 19:50:30,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 146 transitions, 344 flow [2024-11-27 19:50:30,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 146 transitions, 344 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 19:50:30,645 INFO L231 Difference]: Finished difference. Result has 146 places, 144 transitions, 314 flow [2024-11-27 19:50:30,645 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=146, PETRI_TRANSITIONS=144} [2024-11-27 19:50:30,646 INFO L279 CegarLoopForPetriNet]: 154 programPoint places, -8 predicate places. [2024-11-27 19:50:30,646 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 144 transitions, 314 flow [2024-11-27 19:50:30,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:30,648 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:30,648 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] [2024-11-27 19:50:30,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 19:50:30,648 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-27 19:50:30,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:30,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1232136880, now seen corresponding path program 1 times [2024-11-27 19:50:30,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:30,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686471982] [2024-11-27 19:50:30,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:30,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:30,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:30,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:30,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686471982] [2024-11-27 19:50:30,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686471982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:30,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:30,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:30,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330984069] [2024-11-27 19:50:30,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:30,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:30,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:30,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:30,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:30,781 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 172 [2024-11-27 19:50:30,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 144 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:30,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:30,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 172 [2024-11-27 19:50:30,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:30,878 INFO L124 PetriNetUnfolderBase]: 18/256 cut-off events. [2024-11-27 19:50:30,880 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 19:50:30,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 256 events. 18/256 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 913 event pairs, 4 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 232. Up to 18 conditions per place. [2024-11-27 19:50:30,883 INFO L140 encePairwiseOnDemand]: 169/172 looper letters, 11 selfloop transitions, 2 changer transitions 0/145 dead transitions. [2024-11-27 19:50:30,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 145 transitions, 344 flow [2024-11-27 19:50:30,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:30,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:30,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2024-11-27 19:50:30,887 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9457364341085271 [2024-11-27 19:50:30,887 INFO L175 Difference]: Start difference. First operand has 146 places, 144 transitions, 314 flow. Second operand 3 states and 488 transitions. [2024-11-27 19:50:30,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 145 transitions, 344 flow [2024-11-27 19:50:30,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 145 transitions, 344 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 19:50:30,891 INFO L231 Difference]: Finished difference. Result has 147 places, 143 transitions, 316 flow [2024-11-27 19:50:30,892 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=147, PETRI_TRANSITIONS=143} [2024-11-27 19:50:30,894 INFO L279 CegarLoopForPetriNet]: 154 programPoint places, -7 predicate places. [2024-11-27 19:50:30,895 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 143 transitions, 316 flow [2024-11-27 19:50:30,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:30,895 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:30,895 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] [2024-11-27 19:50:30,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 19:50:30,896 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-27 19:50:30,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:30,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1123246906, now seen corresponding path program 1 times [2024-11-27 19:50:30,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:30,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597083455] [2024-11-27 19:50:30,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:30,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:30,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:30,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:30,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597083455] [2024-11-27 19:50:30,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597083455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:30,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:30,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:30,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645276898] [2024-11-27 19:50:30,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:30,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:31,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:31,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:31,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:31,040 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 172 [2024-11-27 19:50:31,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 143 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:31,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:31,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 172 [2024-11-27 19:50:31,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:31,210 INFO L124 PetriNetUnfolderBase]: 133/684 cut-off events. [2024-11-27 19:50:31,211 INFO L125 PetriNetUnfolderBase]: For 31/35 co-relation queries the response was YES. [2024-11-27 19:50:31,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 926 conditions, 684 events. 133/684 cut-off events. For 31/35 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4296 event pairs, 77 based on Foata normal form. 1/607 useless extension candidates. Maximal degree in co-relation 707. Up to 202 conditions per place. [2024-11-27 19:50:31,223 INFO L140 encePairwiseOnDemand]: 166/172 looper letters, 17 selfloop transitions, 2 changer transitions 0/143 dead transitions. [2024-11-27 19:50:31,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 143 transitions, 356 flow [2024-11-27 19:50:31,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:31,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:31,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2024-11-27 19:50:31,225 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9224806201550387 [2024-11-27 19:50:31,225 INFO L175 Difference]: Start difference. First operand has 147 places, 143 transitions, 316 flow. Second operand 3 states and 476 transitions. [2024-11-27 19:50:31,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 143 transitions, 356 flow [2024-11-27 19:50:31,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 143 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:50:31,230 INFO L231 Difference]: Finished difference. Result has 144 places, 141 transitions, 318 flow [2024-11-27 19:50:31,231 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=144, PETRI_TRANSITIONS=141} [2024-11-27 19:50:31,233 INFO L279 CegarLoopForPetriNet]: 154 programPoint places, -10 predicate places. [2024-11-27 19:50:31,233 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 141 transitions, 318 flow [2024-11-27 19:50:31,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:31,234 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:31,234 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] [2024-11-27 19:50:31,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 19:50:31,235 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-27 19:50:31,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:31,236 INFO L85 PathProgramCache]: Analyzing trace with hash -213060863, now seen corresponding path program 1 times [2024-11-27 19:50:31,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:31,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844978906] [2024-11-27 19:50:31,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:31,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:31,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:31,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:31,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844978906] [2024-11-27 19:50:31,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844978906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:31,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:31,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:31,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989772344] [2024-11-27 19:50:31,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:31,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:31,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:31,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:31,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:31,337 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 172 [2024-11-27 19:50:31,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 141 transitions, 318 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) [2024-11-27 19:50:31,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:31,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 172 [2024-11-27 19:50:31,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:31,425 INFO L124 PetriNetUnfolderBase]: 30/324 cut-off events. [2024-11-27 19:50:31,425 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-27 19:50:31,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 324 events. 30/324 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1392 event pairs, 6 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 288. Up to 24 conditions per place. [2024-11-27 19:50:31,428 INFO L140 encePairwiseOnDemand]: 169/172 looper letters, 11 selfloop transitions, 2 changer transitions 0/142 dead transitions. [2024-11-27 19:50:31,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 142 transitions, 348 flow [2024-11-27 19:50:31,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:31,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:31,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2024-11-27 19:50:31,430 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9457364341085271 [2024-11-27 19:50:31,431 INFO L175 Difference]: Start difference. First operand has 144 places, 141 transitions, 318 flow. Second operand 3 states and 488 transitions. [2024-11-27 19:50:31,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 142 transitions, 348 flow [2024-11-27 19:50:31,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 142 transitions, 348 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 19:50:31,435 INFO L231 Difference]: Finished difference. Result has 145 places, 140 transitions, 320 flow [2024-11-27 19:50:31,436 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=320, PETRI_PLACES=145, PETRI_TRANSITIONS=140} [2024-11-27 19:50:31,437 INFO L279 CegarLoopForPetriNet]: 154 programPoint places, -9 predicate places. [2024-11-27 19:50:31,439 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 140 transitions, 320 flow [2024-11-27 19:50:31,439 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) [2024-11-27 19:50:31,439 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:31,440 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] [2024-11-27 19:50:31,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 19:50:31,440 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-27 19:50:31,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:31,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1797757084, now seen corresponding path program 1 times [2024-11-27 19:50:31,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:31,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396585711] [2024-11-27 19:50:31,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:31,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:31,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:31,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:31,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396585711] [2024-11-27 19:50:31,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396585711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:31,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:31,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:31,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60914693] [2024-11-27 19:50:31,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:31,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:31,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:31,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:31,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:31,561 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 172 [2024-11-27 19:50:31,562 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 140 transitions, 320 flow. Second operand has 3 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:31,562 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:31,562 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 172 [2024-11-27 19:50:31,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:31,631 INFO L124 PetriNetUnfolderBase]: 26/253 cut-off events. [2024-11-27 19:50:31,631 INFO L125 PetriNetUnfolderBase]: For 12/14 co-relation queries the response was YES. [2024-11-27 19:50:31,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343 conditions, 253 events. 26/253 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 868 event pairs, 6 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 285. Up to 30 conditions per place. [2024-11-27 19:50:31,633 INFO L140 encePairwiseOnDemand]: 169/172 looper letters, 11 selfloop transitions, 2 changer transitions 0/141 dead transitions. [2024-11-27 19:50:31,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 141 transitions, 350 flow [2024-11-27 19:50:31,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:31,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:31,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2024-11-27 19:50:31,635 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9457364341085271 [2024-11-27 19:50:31,636 INFO L175 Difference]: Start difference. First operand has 145 places, 140 transitions, 320 flow. Second operand 3 states and 488 transitions. [2024-11-27 19:50:31,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 141 transitions, 350 flow [2024-11-27 19:50:31,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 141 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:50:31,639 INFO L231 Difference]: Finished difference. Result has 144 places, 139 transitions, 318 flow [2024-11-27 19:50:31,639 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=144, PETRI_TRANSITIONS=139} [2024-11-27 19:50:31,641 INFO L279 CegarLoopForPetriNet]: 154 programPoint places, -10 predicate places. [2024-11-27 19:50:31,641 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 139 transitions, 318 flow [2024-11-27 19:50:31,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:31,642 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:31,642 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] [2024-11-27 19:50:31,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 19:50:31,642 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-27 19:50:31,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:31,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1108938784, now seen corresponding path program 1 times [2024-11-27 19:50:31,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:31,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642708513] [2024-11-27 19:50:31,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:31,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:31,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:31,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:31,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642708513] [2024-11-27 19:50:31,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642708513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:31,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:31,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:31,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389575174] [2024-11-27 19:50:31,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:31,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:31,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:31,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:31,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:31,762 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 172 [2024-11-27 19:50:31,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 139 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:31,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:31,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 172 [2024-11-27 19:50:31,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:31,843 INFO L124 PetriNetUnfolderBase]: 20/287 cut-off events. [2024-11-27 19:50:31,843 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-27 19:50:31,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 287 events. 20/287 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1052 event pairs, 2 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 280. Up to 14 conditions per place. [2024-11-27 19:50:31,846 INFO L140 encePairwiseOnDemand]: 170/172 looper letters, 8 selfloop transitions, 1 changer transitions 0/138 dead transitions. [2024-11-27 19:50:31,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 138 transitions, 334 flow [2024-11-27 19:50:31,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:31,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:31,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 490 transitions. [2024-11-27 19:50:31,848 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9496124031007752 [2024-11-27 19:50:31,848 INFO L175 Difference]: Start difference. First operand has 144 places, 139 transitions, 318 flow. Second operand 3 states and 490 transitions. [2024-11-27 19:50:31,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 138 transitions, 334 flow [2024-11-27 19:50:31,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 138 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:50:31,853 INFO L231 Difference]: Finished difference. Result has 143 places, 138 transitions, 314 flow [2024-11-27 19:50:31,854 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=143, PETRI_TRANSITIONS=138} [2024-11-27 19:50:31,855 INFO L279 CegarLoopForPetriNet]: 154 programPoint places, -11 predicate places. [2024-11-27 19:50:31,855 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 138 transitions, 314 flow [2024-11-27 19:50:31,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:31,856 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:31,856 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] [2024-11-27 19:50:31,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 19:50:31,856 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-27 19:50:31,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:31,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1190220589, now seen corresponding path program 1 times [2024-11-27 19:50:31,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:31,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285871967] [2024-11-27 19:50:31,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:31,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:31,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:31,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:31,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285871967] [2024-11-27 19:50:31,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285871967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:31,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:31,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:31,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479021569] [2024-11-27 19:50:31,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:31,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:31,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:31,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:31,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:31,972 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 172 [2024-11-27 19:50:31,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 138 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:31,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:31,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 172 [2024-11-27 19:50:31,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:32,037 INFO L124 PetriNetUnfolderBase]: 20/291 cut-off events. [2024-11-27 19:50:32,037 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-27 19:50:32,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 353 conditions, 291 events. 20/291 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1042 event pairs, 3 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 328. Up to 16 conditions per place. [2024-11-27 19:50:32,040 INFO L140 encePairwiseOnDemand]: 170/172 looper letters, 8 selfloop transitions, 1 changer transitions 0/137 dead transitions. [2024-11-27 19:50:32,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 137 transitions, 330 flow [2024-11-27 19:50:32,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:32,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:32,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 490 transitions. [2024-11-27 19:50:32,042 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9496124031007752 [2024-11-27 19:50:32,042 INFO L175 Difference]: Start difference. First operand has 143 places, 138 transitions, 314 flow. Second operand 3 states and 490 transitions. [2024-11-27 19:50:32,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 137 transitions, 330 flow [2024-11-27 19:50:32,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 137 transitions, 329 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 19:50:32,045 INFO L231 Difference]: Finished difference. Result has 143 places, 137 transitions, 313 flow [2024-11-27 19:50:32,046 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=313, PETRI_PLACES=143, PETRI_TRANSITIONS=137} [2024-11-27 19:50:32,047 INFO L279 CegarLoopForPetriNet]: 154 programPoint places, -11 predicate places. [2024-11-27 19:50:32,047 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 137 transitions, 313 flow [2024-11-27 19:50:32,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:32,047 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:32,047 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] [2024-11-27 19:50:32,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 19:50:32,048 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-11-27 19:50:32,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:32,049 INFO L85 PathProgramCache]: Analyzing trace with hash -32211210, now seen corresponding path program 1 times [2024-11-27 19:50:32,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:32,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642380981] [2024-11-27 19:50:32,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:32,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:32,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:32,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642380981] [2024-11-27 19:50:32,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642380981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:32,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:32,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:32,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129141041] [2024-11-27 19:50:32,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:32,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:32,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:32,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:32,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:32,175 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 172 [2024-11-27 19:50:32,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 137 transitions, 313 flow. Second operand has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:32,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:32,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 172 [2024-11-27 19:50:32,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:32,234 INFO L124 PetriNetUnfolderBase]: 16/228 cut-off events. [2024-11-27 19:50:32,235 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2024-11-27 19:50:32,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 228 events. 16/228 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 686 event pairs, 3 based on Foata normal form. 2/218 useless extension candidates. Maximal degree in co-relation 270. Up to 18 conditions per place. [2024-11-27 19:50:32,236 INFO L140 encePairwiseOnDemand]: 170/172 looper letters, 0 selfloop transitions, 0 changer transitions 136/136 dead transitions. [2024-11-27 19:50:32,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 136 transitions, 327 flow [2024-11-27 19:50:32,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:32,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:32,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2024-11-27 19:50:32,238 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9476744186046512 [2024-11-27 19:50:32,239 INFO L175 Difference]: Start difference. First operand has 143 places, 137 transitions, 313 flow. Second operand 3 states and 489 transitions. [2024-11-27 19:50:32,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 136 transitions, 327 flow [2024-11-27 19:50:32,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 136 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 19:50:32,244 INFO L231 Difference]: Finished difference. Result has 143 places, 0 transitions, 0 flow [2024-11-27 19:50:32,244 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=143, PETRI_TRANSITIONS=0} [2024-11-27 19:50:32,245 INFO L279 CegarLoopForPetriNet]: 154 programPoint places, -11 predicate places. [2024-11-27 19:50:32,245 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 0 transitions, 0 flow [2024-11-27 19:50:32,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 19:50:32,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 33 remaining) [2024-11-27 19:50:32,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2024-11-27 19:50:32,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2024-11-27 19:50:32,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2024-11-27 19:50:32,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2024-11-27 19:50:32,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2024-11-27 19:50:32,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2024-11-27 19:50:32,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2024-11-27 19:50:32,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2024-11-27 19:50:32,251 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2024-11-27 19:50:32,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2024-11-27 19:50:32,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2024-11-27 19:50:32,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2024-11-27 19:50:32,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2024-11-27 19:50:32,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2024-11-27 19:50:32,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2024-11-27 19:50:32,252 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2024-11-27 19:50:32,256 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2024-11-27 19:50:32,256 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 33 remaining) [2024-11-27 19:50:32,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 33 remaining) [2024-11-27 19:50:32,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 33 remaining) [2024-11-27 19:50:32,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2024-11-27 19:50:32,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2024-11-27 19:50:32,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2024-11-27 19:50:32,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2024-11-27 19:50:32,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2024-11-27 19:50:32,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2024-11-27 19:50:32,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2024-11-27 19:50:32,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2024-11-27 19:50:32,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2024-11-27 19:50:32,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2024-11-27 19:50:32,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2024-11-27 19:50:32,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2024-11-27 19:50:32,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 19:50:32,258 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:50:32,265 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 19:50:32,265 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 19:50:32,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 07:50:32 BasicIcfg [2024-11-27 19:50:32,273 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 19:50:32,273 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 19:50:32,273 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 19:50:32,274 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 19:50:32,274 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:28" (3/4) ... [2024-11-27 19:50:32,276 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 19:50:32,281 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-27 19:50:32,281 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-27 19:50:32,281 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-27 19:50:32,286 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-27 19:50:32,287 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 19:50:32,287 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 19:50:32,287 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 19:50:32,390 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 19:50:32,390 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 19:50:32,390 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 19:50:32,391 INFO L158 Benchmark]: Toolchain (without parser) took 5125.26ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 80.2MB in the end (delta: 12.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-11-27 19:50:32,392 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:32,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.87ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 80.8MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:50:32,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.30ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.3MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:50:32,394 INFO L158 Benchmark]: Boogie Preprocessor took 47.87ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.4MB in the end (delta: 892.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:32,395 INFO L158 Benchmark]: RCFGBuilder took 718.71ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 62.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 19:50:32,396 INFO L158 Benchmark]: TraceAbstraction took 3848.78ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 85.3MB in the end (delta: -23.3MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-11-27 19:50:32,396 INFO L158 Benchmark]: Witness Printer took 117.18ms. Allocated memory is still 117.4MB. Free memory was 85.3MB in the beginning and 80.2MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:50:32,400 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.87ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 80.8MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.30ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.3MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.87ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.4MB in the end (delta: 892.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 718.71ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 62.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3848.78ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 85.3MB in the end (delta: -23.3MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Witness Printer took 117.18ms. Allocated memory is still 117.4MB. Free memory was 85.3MB in the beginning and 80.2MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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 7 procedures, 239 locations, 33 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: 3.6s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 225 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 53 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 298 IncrementalHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 53 mSDtfsCounter, 298 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=320occurred in iteration=8, InterpolantAutomatonStates: 36, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 770 NumberOfCodeBlocks, 770 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 758 ConstructedInterpolants, 0 QuantifiedInterpolants, 782 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 19:50:32,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0c98a0-7f1e-4f33-90e3-fc7d2bf28237/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE