./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/bin/uautomizer-verify-jihMAELWvX --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 37731ec014f4053387ac8b56c0764486866d63670c206743514c9636df9b594a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:30:08,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:30:08,590 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 16:30:08,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:30:08,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:30:08,615 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:30:08,616 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:30:08,616 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:30:08,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:30:08,617 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:30:08,618 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:30:08,618 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:30:08,619 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:30:08,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:30:08,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:30:08,620 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:30:08,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:30:08,621 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:30:08,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:30:08,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:30:08,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:30:08,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:30:08,623 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 16:30:08,624 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:30:08,624 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:30:08,625 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:30:08,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:30:08,626 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:30:08,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:30:08,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:30:08,627 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:30:08,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:30:08,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:30:08,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:30:08,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:30:08,629 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:30:08,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:30:08,630 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:30:08,630 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:30:08,630 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:30:08,631 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:30:08,631 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37731ec014f4053387ac8b56c0764486866d63670c206743514c9636df9b594a [2024-11-08 16:30:08,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:30:08,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:30:08,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:30:08,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:30:08,979 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:30:08,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c Unable to find full path for "g++" [2024-11-08 16:30:10,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:30:11,086 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:30:11,086 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c [2024-11-08 16:30:11,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/bin/uautomizer-verify-jihMAELWvX/data/208a07844/90bc6693097f478e915e33b3aad73392/FLAG672c939ad [2024-11-08 16:30:11,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/bin/uautomizer-verify-jihMAELWvX/data/208a07844/90bc6693097f478e915e33b3aad73392 [2024-11-08 16:30:11,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:30:11,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:30:11,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:30:11,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:30:11,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:30:11,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:30:11" (1/1) ... [2024-11-08 16:30:11,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be1ab06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:11, skipping insertion in model container [2024-11-08 16:30:11,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:30:11" (1/1) ... [2024-11-08 16:30:11,513 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:30:11,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:30:11,830 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:30:11,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:30:11,929 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:30:11,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:11 WrapperNode [2024-11-08 16:30:11,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:30:11,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:30:11,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:30:11,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:30:11,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:11" (1/1) ... [2024-11-08 16:30:11,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:11" (1/1) ... [2024-11-08 16:30:11,988 INFO L138 Inliner]: procedures = 24, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-08 16:30:11,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:30:11,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:30:11,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:30:11,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:30:12,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:11" (1/1) ... [2024-11-08 16:30:12,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:11" (1/1) ... [2024-11-08 16:30:12,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:11" (1/1) ... [2024-11-08 16:30:12,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:11" (1/1) ... [2024-11-08 16:30:12,019 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:11" (1/1) ... [2024-11-08 16:30:12,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:11" (1/1) ... [2024-11-08 16:30:12,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:11" (1/1) ... [2024-11-08 16:30:12,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:11" (1/1) ... [2024-11-08 16:30:12,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:30:12,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:30:12,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:30:12,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:30:12,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:11" (1/1) ... [2024-11-08 16:30:12,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:30:12,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:30:12,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:30:12,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:30:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:30:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 16:30:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 16:30:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 16:30:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 16:30:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 16:30:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 16:30:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 16:30:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 16:30:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 16:30:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:30:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:30:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 16:30:12,127 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 16:30:12,233 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:30:12,235 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:30:12,689 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 16:30:12,689 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:30:12,718 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:30:12,719 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-08 16:30:12,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:30:12 BoogieIcfgContainer [2024-11-08 16:30:12,719 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:30:12,722 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:30:12,722 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:30:12,726 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:30:12,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:30:11" (1/3) ... [2024-11-08 16:30:12,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@169ee2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:30:12, skipping insertion in model container [2024-11-08 16:30:12,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:11" (2/3) ... [2024-11-08 16:30:12,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@169ee2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:30:12, skipping insertion in model container [2024-11-08 16:30:12,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:30:12" (3/3) ... [2024-11-08 16:30:12,729 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-sum-array-hom.wvr.c [2024-11-08 16:30:12,747 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:30:12,748 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2024-11-08 16:30:12,748 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 16:30:12,889 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-08 16:30:12,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 266 places, 269 transitions, 559 flow [2024-11-08 16:30:13,030 INFO L124 PetriNetUnfolderBase]: 13/266 cut-off events. [2024-11-08 16:30:13,030 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-08 16:30:13,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 266 events. 13/266 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 423 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 202. Up to 2 conditions per place. [2024-11-08 16:30:13,039 INFO L82 GeneralOperation]: Start removeDead. Operand has 266 places, 269 transitions, 559 flow [2024-11-08 16:30:13,046 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 247 places, 249 transitions, 516 flow [2024-11-08 16:30:13,056 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:30:13,063 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;@757c816b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:30:13,063 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-08 16:30:13,071 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 16:30:13,071 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-08 16:30:13,071 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:30:13,071 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:13,072 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:13,072 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 16:30:13,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:13,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1752695214, now seen corresponding path program 1 times [2024-11-08 16:30:13,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:13,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182407037] [2024-11-08 16:30:13,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:13,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:13,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:13,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:13,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182407037] [2024-11-08 16:30:13,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182407037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:13,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:13,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:30:13,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618303574] [2024-11-08 16:30:13,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:13,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:30:13,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:13,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:30:13,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:30:13,398 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 269 [2024-11-08 16:30:13,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 249 transitions, 516 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-08 16:30:13,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:13,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 269 [2024-11-08 16:30:13,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:13,608 INFO L124 PetriNetUnfolderBase]: 20/451 cut-off events. [2024-11-08 16:30:13,609 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-08 16:30:13,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 451 events. 20/451 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1607 event pairs, 7 based on Foata normal form. 15/389 useless extension candidates. Maximal degree in co-relation 311. Up to 31 conditions per place. [2024-11-08 16:30:13,620 INFO L140 encePairwiseOnDemand]: 260/269 looper letters, 13 selfloop transitions, 2 changer transitions 3/242 dead transitions. [2024-11-08 16:30:13,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 242 transitions, 532 flow [2024-11-08 16:30:13,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:30:13,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:30:13,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 754 transitions. [2024-11-08 16:30:13,643 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9343246592317225 [2024-11-08 16:30:13,647 INFO L175 Difference]: Start difference. First operand has 247 places, 249 transitions, 516 flow. Second operand 3 states and 754 transitions. [2024-11-08 16:30:13,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 242 transitions, 532 flow [2024-11-08 16:30:13,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 242 transitions, 520 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-08 16:30:13,662 INFO L231 Difference]: Finished difference. Result has 242 places, 239 transitions, 488 flow [2024-11-08 16:30:13,664 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=488, PETRI_PLACES=242, PETRI_TRANSITIONS=239} [2024-11-08 16:30:13,724 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -5 predicate places. [2024-11-08 16:30:13,725 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 239 transitions, 488 flow [2024-11-08 16:30:13,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-08 16:30:13,732 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:13,732 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:13,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:30:13,732 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 16:30:13,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:13,734 INFO L85 PathProgramCache]: Analyzing trace with hash -341889871, now seen corresponding path program 1 times [2024-11-08 16:30:13,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:13,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228632602] [2024-11-08 16:30:13,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:13,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:13,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:13,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:13,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228632602] [2024-11-08 16:30:13,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228632602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:13,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:13,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:30:13,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870555310] [2024-11-08 16:30:13,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:13,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:30:13,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:13,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:30:13,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:30:13,931 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 269 [2024-11-08 16:30:13,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 239 transitions, 488 flow. Second operand has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-08 16:30:13,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:13,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 269 [2024-11-08 16:30:13,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:14,005 INFO L124 PetriNetUnfolderBase]: 14/341 cut-off events. [2024-11-08 16:30:14,005 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-08 16:30:14,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 379 conditions, 341 events. 14/341 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1037 event pairs, 5 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 348. Up to 27 conditions per place. [2024-11-08 16:30:14,010 INFO L140 encePairwiseOnDemand]: 266/269 looper letters, 13 selfloop transitions, 2 changer transitions 0/238 dead transitions. [2024-11-08 16:30:14,010 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 238 transitions, 516 flow [2024-11-08 16:30:14,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:30:14,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:30:14,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 748 transitions. [2024-11-08 16:30:14,012 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9268897149938042 [2024-11-08 16:30:14,013 INFO L175 Difference]: Start difference. First operand has 242 places, 239 transitions, 488 flow. Second operand 3 states and 748 transitions. [2024-11-08 16:30:14,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 238 transitions, 516 flow [2024-11-08 16:30:14,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 238 transitions, 512 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:30:14,018 INFO L231 Difference]: Finished difference. Result has 238 places, 238 transitions, 486 flow [2024-11-08 16:30:14,019 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=486, PETRI_PLACES=238, PETRI_TRANSITIONS=238} [2024-11-08 16:30:14,020 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -9 predicate places. [2024-11-08 16:30:14,020 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 238 transitions, 486 flow [2024-11-08 16:30:14,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.33333333333334) internal successors, (736), 3 states have internal predecessors, (736), 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) [2024-11-08 16:30:14,021 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:14,022 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:14,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:30:14,022 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 16:30:14,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:14,023 INFO L85 PathProgramCache]: Analyzing trace with hash 2060009178, now seen corresponding path program 1 times [2024-11-08 16:30:14,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:14,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008393774] [2024-11-08 16:30:14,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:14,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:14,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:14,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:14,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008393774] [2024-11-08 16:30:14,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008393774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:14,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:14,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:30:14,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461759670] [2024-11-08 16:30:14,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:14,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:30:14,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:14,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:30:14,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:30:14,138 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 269 [2024-11-08 16:30:14,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 238 transitions, 486 flow. Second operand has 3 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 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) [2024-11-08 16:30:14,139 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:14,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 269 [2024-11-08 16:30:14,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:14,240 INFO L124 PetriNetUnfolderBase]: 26/434 cut-off events. [2024-11-08 16:30:14,240 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-08 16:30:14,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 434 events. 26/434 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1679 event pairs, 12 based on Foata normal form. 0/369 useless extension candidates. Maximal degree in co-relation 454. Up to 46 conditions per place. [2024-11-08 16:30:14,246 INFO L140 encePairwiseOnDemand]: 264/269 looper letters, 14 selfloop transitions, 1 changer transitions 0/234 dead transitions. [2024-11-08 16:30:14,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 234 transitions, 508 flow [2024-11-08 16:30:14,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:30:14,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:30:14,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 745 transitions. [2024-11-08 16:30:14,249 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9231722428748451 [2024-11-08 16:30:14,249 INFO L175 Difference]: Start difference. First operand has 238 places, 238 transitions, 486 flow. Second operand 3 states and 745 transitions. [2024-11-08 16:30:14,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 234 transitions, 508 flow [2024-11-08 16:30:14,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 234 transitions, 504 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:30:14,254 INFO L231 Difference]: Finished difference. Result has 234 places, 234 transitions, 476 flow [2024-11-08 16:30:14,255 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=476, PETRI_PLACES=234, PETRI_TRANSITIONS=234} [2024-11-08 16:30:14,256 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -13 predicate places. [2024-11-08 16:30:14,257 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 234 transitions, 476 flow [2024-11-08 16:30:14,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 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) [2024-11-08 16:30:14,258 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:14,258 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:14,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:30:14,258 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 16:30:14,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:14,259 INFO L85 PathProgramCache]: Analyzing trace with hash 2129794739, now seen corresponding path program 1 times [2024-11-08 16:30:14,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:14,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730951143] [2024-11-08 16:30:14,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:14,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:14,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:14,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:14,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730951143] [2024-11-08 16:30:14,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730951143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:14,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:14,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:30:14,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305725755] [2024-11-08 16:30:14,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:14,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:30:14,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:14,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:30:14,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:30:14,377 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 269 [2024-11-08 16:30:14,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 234 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 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) [2024-11-08 16:30:14,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:14,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 269 [2024-11-08 16:30:14,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:14,483 INFO L124 PetriNetUnfolderBase]: 25/405 cut-off events. [2024-11-08 16:30:14,484 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-08 16:30:14,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457 conditions, 405 events. 25/405 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1533 event pairs, 15 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 418. Up to 40 conditions per place. [2024-11-08 16:30:14,487 INFO L140 encePairwiseOnDemand]: 266/269 looper letters, 12 selfloop transitions, 2 changer transitions 0/233 dead transitions. [2024-11-08 16:30:14,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 233 transitions, 502 flow [2024-11-08 16:30:14,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:30:14,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:30:14,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 750 transitions. [2024-11-08 16:30:14,490 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.929368029739777 [2024-11-08 16:30:14,490 INFO L175 Difference]: Start difference. First operand has 234 places, 234 transitions, 476 flow. Second operand 3 states and 750 transitions. [2024-11-08 16:30:14,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 233 transitions, 502 flow [2024-11-08 16:30:14,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 233 transitions, 501 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:30:14,495 INFO L231 Difference]: Finished difference. Result has 234 places, 233 transitions, 477 flow [2024-11-08 16:30:14,495 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=473, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=477, PETRI_PLACES=234, PETRI_TRANSITIONS=233} [2024-11-08 16:30:14,496 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -13 predicate places. [2024-11-08 16:30:14,496 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 233 transitions, 477 flow [2024-11-08 16:30:14,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 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) [2024-11-08 16:30:14,497 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:14,497 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:14,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:30:14,498 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 16:30:14,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:14,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1082314748, now seen corresponding path program 1 times [2024-11-08 16:30:14,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:14,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984556161] [2024-11-08 16:30:14,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:14,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:15,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:15,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:15,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984556161] [2024-11-08 16:30:15,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984556161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:15,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:15,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:30:15,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001939569] [2024-11-08 16:30:15,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:15,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:30:15,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:15,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:30:15,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:30:15,486 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 269 [2024-11-08 16:30:15,489 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 233 transitions, 477 flow. Second operand has 6 states, 6 states have (on average 230.5) internal successors, (1383), 6 states have internal predecessors, (1383), 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) [2024-11-08 16:30:15,489 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:15,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 269 [2024-11-08 16:30:15,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:15,942 INFO L124 PetriNetUnfolderBase]: 395/2187 cut-off events. [2024-11-08 16:30:15,942 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES. [2024-11-08 16:30:15,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2807 conditions, 2187 events. 395/2187 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 17764 event pairs, 264 based on Foata normal form. 0/1781 useless extension candidates. Maximal degree in co-relation 2769. Up to 579 conditions per place. [2024-11-08 16:30:15,963 INFO L140 encePairwiseOnDemand]: 263/269 looper letters, 26 selfloop transitions, 5 changer transitions 0/232 dead transitions. [2024-11-08 16:30:15,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 232 transitions, 537 flow [2024-11-08 16:30:15,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:30:15,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:30:15,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1406 transitions. [2024-11-08 16:30:15,967 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8711276332094176 [2024-11-08 16:30:15,967 INFO L175 Difference]: Start difference. First operand has 234 places, 233 transitions, 477 flow. Second operand 6 states and 1406 transitions. [2024-11-08 16:30:15,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 232 transitions, 537 flow [2024-11-08 16:30:15,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 232 transitions, 533 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:30:16,010 INFO L231 Difference]: Finished difference. Result has 236 places, 232 transitions, 481 flow [2024-11-08 16:30:16,011 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=481, PETRI_PLACES=236, PETRI_TRANSITIONS=232} [2024-11-08 16:30:16,012 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -11 predicate places. [2024-11-08 16:30:16,014 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 232 transitions, 481 flow [2024-11-08 16:30:16,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.5) internal successors, (1383), 6 states have internal predecessors, (1383), 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) [2024-11-08 16:30:16,015 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:16,015 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:16,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 16:30:16,016 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 16:30:16,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:16,018 INFO L85 PathProgramCache]: Analyzing trace with hash -157213839, now seen corresponding path program 1 times [2024-11-08 16:30:16,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:16,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290797727] [2024-11-08 16:30:16,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:16,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:16,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:16,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:16,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290797727] [2024-11-08 16:30:16,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290797727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:16,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:16,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:30:16,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409064163] [2024-11-08 16:30:16,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:16,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:30:16,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:16,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:30:16,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:30:16,104 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 269 [2024-11-08 16:30:16,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 232 transitions, 481 flow. Second operand has 3 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 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) [2024-11-08 16:30:16,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:16,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 269 [2024-11-08 16:30:16,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:16,193 INFO L124 PetriNetUnfolderBase]: 38/540 cut-off events. [2024-11-08 16:30:16,194 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-08 16:30:16,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 611 conditions, 540 events. 38/540 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2446 event pairs, 20 based on Foata normal form. 0/467 useless extension candidates. Maximal degree in co-relation 593. Up to 56 conditions per place. [2024-11-08 16:30:16,198 INFO L140 encePairwiseOnDemand]: 264/269 looper letters, 14 selfloop transitions, 1 changer transitions 0/228 dead transitions. [2024-11-08 16:30:16,199 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 228 transitions, 503 flow [2024-11-08 16:30:16,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:30:16,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:30:16,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 745 transitions. [2024-11-08 16:30:16,201 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9231722428748451 [2024-11-08 16:30:16,202 INFO L175 Difference]: Start difference. First operand has 236 places, 232 transitions, 481 flow. Second operand 3 states and 745 transitions. [2024-11-08 16:30:16,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 228 transitions, 503 flow [2024-11-08 16:30:16,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 228 transitions, 493 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 16:30:16,206 INFO L231 Difference]: Finished difference. Result has 229 places, 228 transitions, 465 flow [2024-11-08 16:30:16,207 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=463, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=465, PETRI_PLACES=229, PETRI_TRANSITIONS=228} [2024-11-08 16:30:16,210 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -18 predicate places. [2024-11-08 16:30:16,210 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 228 transitions, 465 flow [2024-11-08 16:30:16,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 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) [2024-11-08 16:30:16,211 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:16,211 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:16,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 16:30:16,212 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 16:30:16,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:16,212 INFO L85 PathProgramCache]: Analyzing trace with hash 977080929, now seen corresponding path program 1 times [2024-11-08 16:30:16,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:16,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539155846] [2024-11-08 16:30:16,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:16,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:16,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:16,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:16,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539155846] [2024-11-08 16:30:16,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539155846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:16,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:16,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:30:16,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011457936] [2024-11-08 16:30:16,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:16,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:30:16,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:16,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:30:16,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:30:16,295 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 269 [2024-11-08 16:30:16,296 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 228 transitions, 465 flow. Second operand has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 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) [2024-11-08 16:30:16,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:16,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 269 [2024-11-08 16:30:16,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:16,363 INFO L124 PetriNetUnfolderBase]: 14/335 cut-off events. [2024-11-08 16:30:16,364 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 16:30:16,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 335 events. 14/335 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 940 event pairs, 2 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 334. Up to 12 conditions per place. [2024-11-08 16:30:16,366 INFO L140 encePairwiseOnDemand]: 264/269 looper letters, 10 selfloop transitions, 3 changer transitions 0/228 dead transitions. [2024-11-08 16:30:16,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 228 transitions, 493 flow [2024-11-08 16:30:16,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:30:16,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:30:16,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 759 transitions. [2024-11-08 16:30:16,369 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9405204460966543 [2024-11-08 16:30:16,369 INFO L175 Difference]: Start difference. First operand has 229 places, 228 transitions, 465 flow. Second operand 3 states and 759 transitions. [2024-11-08 16:30:16,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 228 transitions, 493 flow [2024-11-08 16:30:16,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 228 transitions, 492 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:30:16,374 INFO L231 Difference]: Finished difference. Result has 228 places, 226 transitions, 466 flow [2024-11-08 16:30:16,374 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=466, PETRI_PLACES=228, PETRI_TRANSITIONS=226} [2024-11-08 16:30:16,375 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -19 predicate places. [2024-11-08 16:30:16,375 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 226 transitions, 466 flow [2024-11-08 16:30:16,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 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) [2024-11-08 16:30:16,377 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:16,377 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:16,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 16:30:16,377 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 16:30:16,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:16,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1623044829, now seen corresponding path program 1 times [2024-11-08 16:30:16,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:16,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510328193] [2024-11-08 16:30:16,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:16,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:16,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:16,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:16,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510328193] [2024-11-08 16:30:16,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510328193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:16,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:16,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:30:16,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831033483] [2024-11-08 16:30:16,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:16,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:30:16,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:16,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:30:16,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:30:16,447 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 269 [2024-11-08 16:30:16,448 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 226 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 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) [2024-11-08 16:30:16,448 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:16,448 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 269 [2024-11-08 16:30:16,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:16,620 INFO L124 PetriNetUnfolderBase]: 115/1112 cut-off events. [2024-11-08 16:30:16,621 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-08 16:30:16,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1311 conditions, 1112 events. 115/1112 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7448 event pairs, 22 based on Foata normal form. 0/966 useless extension candidates. Maximal degree in co-relation 1273. Up to 161 conditions per place. [2024-11-08 16:30:16,630 INFO L140 encePairwiseOnDemand]: 263/269 looper letters, 18 selfloop transitions, 3 changer transitions 0/231 dead transitions. [2024-11-08 16:30:16,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 231 transitions, 523 flow [2024-11-08 16:30:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:30:16,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:30:16,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 759 transitions. [2024-11-08 16:30:16,657 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9405204460966543 [2024-11-08 16:30:16,657 INFO L175 Difference]: Start difference. First operand has 228 places, 226 transitions, 466 flow. Second operand 3 states and 759 transitions. [2024-11-08 16:30:16,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 231 transitions, 523 flow [2024-11-08 16:30:16,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 231 transitions, 517 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:30:16,663 INFO L231 Difference]: Finished difference. Result has 226 places, 226 transitions, 475 flow [2024-11-08 16:30:16,663 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=475, PETRI_PLACES=226, PETRI_TRANSITIONS=226} [2024-11-08 16:30:16,664 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -21 predicate places. [2024-11-08 16:30:16,665 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 226 transitions, 475 flow [2024-11-08 16:30:16,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 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) [2024-11-08 16:30:16,666 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:16,666 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:16,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 16:30:16,667 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 16:30:16,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:16,667 INFO L85 PathProgramCache]: Analyzing trace with hash 751655313, now seen corresponding path program 1 times [2024-11-08 16:30:16,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:16,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744160602] [2024-11-08 16:30:16,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:16,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:16,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:16,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:16,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744160602] [2024-11-08 16:30:16,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744160602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:16,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:16,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:30:16,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484762895] [2024-11-08 16:30:16,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:16,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:30:16,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:16,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:30:16,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:30:16,735 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 269 [2024-11-08 16:30:16,737 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 226 transitions, 475 flow. Second operand has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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) [2024-11-08 16:30:16,737 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:16,737 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 269 [2024-11-08 16:30:16,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:16,835 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([701] thread3EXIT-->L87: Formula: (and (= 0 v_thread3Thread1of1ForFork2_thidvar1_4) (= 0 v_thread3Thread1of1ForFork2_thidvar3_4) (= 0 v_thread3Thread1of1ForFork2_thidvar2_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][212], [277#(= |#race~N~0| 0), 289#(= |#race~M~0| 0), 297#true, Black: 293#true, 295#(= |#race~A~0| 0), 55#L87true]) [2024-11-08 16:30:16,836 INFO L294 olderBase$Statistics]: this new event has 191 ancestors and is cut-off event [2024-11-08 16:30:16,836 INFO L297 olderBase$Statistics]: existing Event has 169 ancestors and is cut-off event [2024-11-08 16:30:16,836 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2024-11-08 16:30:16,836 INFO L297 olderBase$Statistics]: existing Event has 147 ancestors and is cut-off event [2024-11-08 16:30:16,836 INFO L124 PetriNetUnfolderBase]: 54/544 cut-off events. [2024-11-08 16:30:16,836 INFO L125 PetriNetUnfolderBase]: For 17/27 co-relation queries the response was YES. [2024-11-08 16:30:16,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 668 conditions, 544 events. 54/544 cut-off events. For 17/27 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2455 event pairs, 4 based on Foata normal form. 1/493 useless extension candidates. Maximal degree in co-relation 630. Up to 41 conditions per place. [2024-11-08 16:30:16,842 INFO L140 encePairwiseOnDemand]: 264/269 looper letters, 10 selfloop transitions, 3 changer transitions 0/226 dead transitions. [2024-11-08 16:30:16,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 226 transitions, 503 flow [2024-11-08 16:30:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:30:16,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:30:16,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 759 transitions. [2024-11-08 16:30:16,844 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9405204460966543 [2024-11-08 16:30:16,844 INFO L175 Difference]: Start difference. First operand has 226 places, 226 transitions, 475 flow. Second operand 3 states and 759 transitions. [2024-11-08 16:30:16,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 226 transitions, 503 flow [2024-11-08 16:30:16,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 226 transitions, 503 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 16:30:16,849 INFO L231 Difference]: Finished difference. Result has 226 places, 224 transitions, 477 flow [2024-11-08 16:30:16,849 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=477, PETRI_PLACES=226, PETRI_TRANSITIONS=224} [2024-11-08 16:30:16,850 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -21 predicate places. [2024-11-08 16:30:16,850 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 224 transitions, 477 flow [2024-11-08 16:30:16,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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) [2024-11-08 16:30:16,851 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:16,851 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:16,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 16:30:16,851 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 16:30:16,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:16,852 INFO L85 PathProgramCache]: Analyzing trace with hash -2133747449, now seen corresponding path program 1 times [2024-11-08 16:30:16,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:16,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622463898] [2024-11-08 16:30:16,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:16,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:17,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:17,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:17,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622463898] [2024-11-08 16:30:17,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622463898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:17,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:17,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:30:17,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122567812] [2024-11-08 16:30:17,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:17,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:30:17,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:17,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:30:17,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:30:17,191 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 269 [2024-11-08 16:30:17,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 224 transitions, 477 flow. Second operand has 7 states, 7 states have (on average 240.85714285714286) internal successors, (1686), 7 states have internal predecessors, (1686), 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) [2024-11-08 16:30:17,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:17,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 269 [2024-11-08 16:30:17,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:17,463 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([701] thread3EXIT-->L87: Formula: (and (= 0 v_thread3Thread1of1ForFork2_thidvar1_4) (= 0 v_thread3Thread1of1ForFork2_thidvar3_4) (= 0 v_thread3Thread1of1ForFork2_thidvar2_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar3=v_thread3Thread1of1ForFork2_thidvar3_4, thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][238], [277#(= |#race~N~0| 0), 289#(= |#race~M~0| 0), 297#true, Black: 293#true, 300#true, 295#(= |#race~A~0| 0), 55#L87true]) [2024-11-08 16:30:17,463 INFO L294 olderBase$Statistics]: this new event has 207 ancestors and is cut-off event [2024-11-08 16:30:17,463 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2024-11-08 16:30:17,463 INFO L297 olderBase$Statistics]: existing Event has 163 ancestors and is cut-off event [2024-11-08 16:30:17,463 INFO L297 olderBase$Statistics]: existing Event has 163 ancestors and is cut-off event [2024-11-08 16:30:17,464 INFO L124 PetriNetUnfolderBase]: 67/938 cut-off events. [2024-11-08 16:30:17,464 INFO L125 PetriNetUnfolderBase]: For 10/31 co-relation queries the response was YES. [2024-11-08 16:30:17,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1144 conditions, 938 events. 67/938 cut-off events. For 10/31 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5390 event pairs, 16 based on Foata normal form. 4/858 useless extension candidates. Maximal degree in co-relation 1103. Up to 62 conditions per place. [2024-11-08 16:30:17,472 INFO L140 encePairwiseOnDemand]: 255/269 looper letters, 23 selfloop transitions, 15 changer transitions 0/240 dead transitions. [2024-11-08 16:30:17,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 240 transitions, 593 flow [2024-11-08 16:30:17,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:30:17,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-08 16:30:17,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2429 transitions. [2024-11-08 16:30:17,477 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9029739776951673 [2024-11-08 16:30:17,477 INFO L175 Difference]: Start difference. First operand has 226 places, 224 transitions, 477 flow. Second operand 10 states and 2429 transitions. [2024-11-08 16:30:17,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 240 transitions, 593 flow [2024-11-08 16:30:17,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 240 transitions, 587 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:30:17,483 INFO L231 Difference]: Finished difference. Result has 237 places, 232 transitions, 545 flow [2024-11-08 16:30:17,485 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=545, PETRI_PLACES=237, PETRI_TRANSITIONS=232} [2024-11-08 16:30:17,485 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -10 predicate places. [2024-11-08 16:30:17,486 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 232 transitions, 545 flow [2024-11-08 16:30:17,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 240.85714285714286) internal successors, (1686), 7 states have internal predecessors, (1686), 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) [2024-11-08 16:30:17,487 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:17,487 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:17,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 16:30:17,492 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 16:30:17,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:17,493 INFO L85 PathProgramCache]: Analyzing trace with hash -29157882, now seen corresponding path program 1 times [2024-11-08 16:30:17,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:17,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556294326] [2024-11-08 16:30:17,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:17,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:17,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:17,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:17,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556294326] [2024-11-08 16:30:17,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556294326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:17,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:17,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:30:17,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535723001] [2024-11-08 16:30:17,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:17,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:30:17,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:17,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:30:17,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:30:17,549 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 269 [2024-11-08 16:30:17,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 232 transitions, 545 flow. Second operand has 3 states, 3 states have (on average 249.66666666666666) internal successors, (749), 3 states have internal predecessors, (749), 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) [2024-11-08 16:30:17,550 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:17,550 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 269 [2024-11-08 16:30:17,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:17,682 INFO L124 PetriNetUnfolderBase]: 92/740 cut-off events. [2024-11-08 16:30:17,682 INFO L125 PetriNetUnfolderBase]: For 54/65 co-relation queries the response was YES. [2024-11-08 16:30:17,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 971 conditions, 740 events. 92/740 cut-off events. For 54/65 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3732 event pairs, 7 based on Foata normal form. 4/694 useless extension candidates. Maximal degree in co-relation 925. Up to 79 conditions per place. [2024-11-08 16:30:17,688 INFO L140 encePairwiseOnDemand]: 264/269 looper letters, 8 selfloop transitions, 2 changer transitions 6/232 dead transitions. [2024-11-08 16:30:17,688 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 232 transitions, 571 flow [2024-11-08 16:30:17,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:30:17,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:30:17,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 758 transitions. [2024-11-08 16:30:17,691 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9392812887236679 [2024-11-08 16:30:17,691 INFO L175 Difference]: Start difference. First operand has 237 places, 232 transitions, 545 flow. Second operand 3 states and 758 transitions. [2024-11-08 16:30:17,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 232 transitions, 571 flow [2024-11-08 16:30:17,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 232 transitions, 567 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:30:17,696 INFO L231 Difference]: Finished difference. Result has 236 places, 224 transitions, 528 flow [2024-11-08 16:30:17,696 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=528, PETRI_PLACES=236, PETRI_TRANSITIONS=224} [2024-11-08 16:30:17,697 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -11 predicate places. [2024-11-08 16:30:17,697 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 224 transitions, 528 flow [2024-11-08 16:30:17,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.66666666666666) internal successors, (749), 3 states have internal predecessors, (749), 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) [2024-11-08 16:30:17,698 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:17,698 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:17,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 16:30:17,698 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 16:30:17,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:17,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1183882953, now seen corresponding path program 1 times [2024-11-08 16:30:17,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:17,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175399630] [2024-11-08 16:30:17,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:17,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:17,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:17,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:17,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175399630] [2024-11-08 16:30:17,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175399630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:17,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:17,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:30:17,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063515505] [2024-11-08 16:30:17,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:17,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:30:17,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:17,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:30:17,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:30:17,880 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 269 [2024-11-08 16:30:17,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 224 transitions, 528 flow. Second operand has 5 states, 5 states have (on average 244.0) internal successors, (1220), 5 states have internal predecessors, (1220), 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) [2024-11-08 16:30:17,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:17,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 269 [2024-11-08 16:30:17,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:18,137 INFO L124 PetriNetUnfolderBase]: 101/1244 cut-off events. [2024-11-08 16:30:18,137 INFO L125 PetriNetUnfolderBase]: For 53/69 co-relation queries the response was YES. [2024-11-08 16:30:18,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1595 conditions, 1244 events. 101/1244 cut-off events. For 53/69 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 8165 event pairs, 29 based on Foata normal form. 8/1158 useless extension candidates. Maximal degree in co-relation 1547. Up to 103 conditions per place. [2024-11-08 16:30:18,147 INFO L140 encePairwiseOnDemand]: 263/269 looper letters, 22 selfloop transitions, 5 changer transitions 0/234 dead transitions. [2024-11-08 16:30:18,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 234 transitions, 609 flow [2024-11-08 16:30:18,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:30:18,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 16:30:18,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1238 transitions. [2024-11-08 16:30:18,150 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9204460966542751 [2024-11-08 16:30:18,150 INFO L175 Difference]: Start difference. First operand has 236 places, 224 transitions, 528 flow. Second operand 5 states and 1238 transitions. [2024-11-08 16:30:18,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 234 transitions, 609 flow [2024-11-08 16:30:18,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 234 transitions, 605 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:30:18,155 INFO L231 Difference]: Finished difference. Result has 234 places, 226 transitions, 549 flow [2024-11-08 16:30:18,155 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=524, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=549, PETRI_PLACES=234, PETRI_TRANSITIONS=226} [2024-11-08 16:30:18,156 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -13 predicate places. [2024-11-08 16:30:18,156 INFO L471 AbstractCegarLoop]: Abstraction has has 234 places, 226 transitions, 549 flow [2024-11-08 16:30:18,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 244.0) internal successors, (1220), 5 states have internal predecessors, (1220), 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) [2024-11-08 16:30:18,157 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:18,157 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:18,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 16:30:18,158 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 16:30:18,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:18,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1113836357, now seen corresponding path program 1 times [2024-11-08 16:30:18,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:18,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486123478] [2024-11-08 16:30:18,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:18,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:18,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:18,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486123478] [2024-11-08 16:30:18,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486123478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:18,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:18,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:30:18,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143538037] [2024-11-08 16:30:18,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:18,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:30:18,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:18,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:30:18,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:30:18,889 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 269 [2024-11-08 16:30:18,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 226 transitions, 549 flow. Second operand has 6 states, 6 states have (on average 241.66666666666666) internal successors, (1450), 6 states have internal predecessors, (1450), 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) [2024-11-08 16:30:18,892 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:18,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 269 [2024-11-08 16:30:18,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:19,201 INFO L124 PetriNetUnfolderBase]: 113/1175 cut-off events. [2024-11-08 16:30:19,201 INFO L125 PetriNetUnfolderBase]: For 139/148 co-relation queries the response was YES. [2024-11-08 16:30:19,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1604 conditions, 1175 events. 113/1175 cut-off events. For 139/148 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7391 event pairs, 32 based on Foata normal form. 0/1094 useless extension candidates. Maximal degree in co-relation 1556. Up to 124 conditions per place. [2024-11-08 16:30:19,214 INFO L140 encePairwiseOnDemand]: 263/269 looper letters, 24 selfloop transitions, 5 changer transitions 0/233 dead transitions. [2024-11-08 16:30:19,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 233 transitions, 629 flow [2024-11-08 16:30:19,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:30:19,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:30:19,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1468 transitions. [2024-11-08 16:30:19,218 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.909541511771995 [2024-11-08 16:30:19,218 INFO L175 Difference]: Start difference. First operand has 234 places, 226 transitions, 549 flow. Second operand 6 states and 1468 transitions. [2024-11-08 16:30:19,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 233 transitions, 629 flow [2024-11-08 16:30:19,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 233 transitions, 624 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:30:19,225 INFO L231 Difference]: Finished difference. Result has 236 places, 225 transitions, 552 flow [2024-11-08 16:30:19,226 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=552, PETRI_PLACES=236, PETRI_TRANSITIONS=225} [2024-11-08 16:30:19,227 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -11 predicate places. [2024-11-08 16:30:19,227 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 225 transitions, 552 flow [2024-11-08 16:30:19,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 241.66666666666666) internal successors, (1450), 6 states have internal predecessors, (1450), 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) [2024-11-08 16:30:19,229 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:19,229 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:19,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 16:30:19,229 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 16:30:19,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:19,230 INFO L85 PathProgramCache]: Analyzing trace with hash 884996908, now seen corresponding path program 1 times [2024-11-08 16:30:19,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:19,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335224052] [2024-11-08 16:30:19,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:19,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:19,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:19,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:19,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335224052] [2024-11-08 16:30:19,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335224052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:19,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:19,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:30:19,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236356848] [2024-11-08 16:30:19,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:19,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:30:19,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:19,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:30:19,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:30:19,969 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 269 [2024-11-08 16:30:19,971 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 225 transitions, 552 flow. Second operand has 6 states, 6 states have (on average 241.83333333333334) internal successors, (1451), 6 states have internal predecessors, (1451), 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) [2024-11-08 16:30:19,971 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:19,971 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 269 [2024-11-08 16:30:19,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:20,199 INFO L124 PetriNetUnfolderBase]: 183/1139 cut-off events. [2024-11-08 16:30:20,199 INFO L125 PetriNetUnfolderBase]: For 139/204 co-relation queries the response was YES. [2024-11-08 16:30:20,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1626 conditions, 1139 events. 183/1139 cut-off events. For 139/204 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 7232 event pairs, 44 based on Foata normal form. 8/1076 useless extension candidates. Maximal degree in co-relation 1578. Up to 173 conditions per place. [2024-11-08 16:30:20,215 INFO L140 encePairwiseOnDemand]: 263/269 looper letters, 22 selfloop transitions, 5 changer transitions 0/232 dead transitions. [2024-11-08 16:30:20,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 232 transitions, 628 flow [2024-11-08 16:30:20,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:30:20,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:30:20,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1468 transitions. [2024-11-08 16:30:20,219 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.909541511771995 [2024-11-08 16:30:20,219 INFO L175 Difference]: Start difference. First operand has 236 places, 225 transitions, 552 flow. Second operand 6 states and 1468 transitions. [2024-11-08 16:30:20,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 232 transitions, 628 flow [2024-11-08 16:30:20,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 232 transitions, 618 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 16:30:20,225 INFO L231 Difference]: Finished difference. Result has 235 places, 224 transitions, 550 flow [2024-11-08 16:30:20,226 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=550, PETRI_PLACES=235, PETRI_TRANSITIONS=224} [2024-11-08 16:30:20,227 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -12 predicate places. [2024-11-08 16:30:20,228 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 224 transitions, 550 flow [2024-11-08 16:30:20,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 241.83333333333334) internal successors, (1451), 6 states have internal predecessors, (1451), 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) [2024-11-08 16:30:20,229 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:20,229 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:20,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 16:30:20,229 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 16:30:20,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:20,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1970262584, now seen corresponding path program 1 times [2024-11-08 16:30:20,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:20,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379676769] [2024-11-08 16:30:20,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:20,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:20,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:20,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:20,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379676769] [2024-11-08 16:30:20,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379676769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:20,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:20,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:30:20,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667429145] [2024-11-08 16:30:20,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:20,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:30:20,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:20,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:30:20,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:30:20,299 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 269 [2024-11-08 16:30:20,301 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 224 transitions, 550 flow. Second operand has 3 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 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) [2024-11-08 16:30:20,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:20,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 269 [2024-11-08 16:30:20,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:20,498 INFO L124 PetriNetUnfolderBase]: 85/1052 cut-off events. [2024-11-08 16:30:20,499 INFO L125 PetriNetUnfolderBase]: For 47/52 co-relation queries the response was YES. [2024-11-08 16:30:20,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1392 conditions, 1052 events. 85/1052 cut-off events. For 47/52 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6126 event pairs, 19 based on Foata normal form. 0/998 useless extension candidates. Maximal degree in co-relation 1345. Up to 86 conditions per place. [2024-11-08 16:30:20,510 INFO L140 encePairwiseOnDemand]: 266/269 looper letters, 10 selfloop transitions, 2 changer transitions 0/225 dead transitions. [2024-11-08 16:30:20,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 225 transitions, 578 flow [2024-11-08 16:30:20,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:30:20,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:30:20,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 757 transitions. [2024-11-08 16:30:20,514 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9380421313506815 [2024-11-08 16:30:20,514 INFO L175 Difference]: Start difference. First operand has 235 places, 224 transitions, 550 flow. Second operand 3 states and 757 transitions. [2024-11-08 16:30:20,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 225 transitions, 578 flow [2024-11-08 16:30:20,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 225 transitions, 568 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 16:30:20,520 INFO L231 Difference]: Finished difference. Result has 231 places, 223 transitions, 542 flow [2024-11-08 16:30:20,521 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=538, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=542, PETRI_PLACES=231, PETRI_TRANSITIONS=223} [2024-11-08 16:30:20,521 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -16 predicate places. [2024-11-08 16:30:20,522 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 223 transitions, 542 flow [2024-11-08 16:30:20,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 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) [2024-11-08 16:30:20,522 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:20,522 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:20,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 16:30:20,523 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 16:30:20,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:20,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1503728577, now seen corresponding path program 1 times [2024-11-08 16:30:20,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:20,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062612162] [2024-11-08 16:30:20,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:20,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:20,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 16:30:20,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:20,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062612162] [2024-11-08 16:30:20,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062612162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:20,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:20,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:30:20,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225784246] [2024-11-08 16:30:20,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:20,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:30:20,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:20,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:30:20,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:30:21,217 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 269 [2024-11-08 16:30:21,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 223 transitions, 542 flow. Second operand has 6 states, 6 states have (on average 242.16666666666666) internal successors, (1453), 6 states have internal predecessors, (1453), 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) [2024-11-08 16:30:21,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:21,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 269 [2024-11-08 16:30:21,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:21,462 INFO L124 PetriNetUnfolderBase]: 92/1047 cut-off events. [2024-11-08 16:30:21,463 INFO L125 PetriNetUnfolderBase]: For 77/99 co-relation queries the response was YES. [2024-11-08 16:30:21,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1494 conditions, 1047 events. 92/1047 cut-off events. For 77/99 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6325 event pairs, 27 based on Foata normal form. 4/1008 useless extension candidates. Maximal degree in co-relation 1446. Up to 118 conditions per place. [2024-11-08 16:30:21,471 INFO L140 encePairwiseOnDemand]: 263/269 looper letters, 24 selfloop transitions, 5 changer transitions 0/230 dead transitions. [2024-11-08 16:30:21,471 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 230 transitions, 622 flow [2024-11-08 16:30:21,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:30:21,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:30:21,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1468 transitions. [2024-11-08 16:30:21,475 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.909541511771995 [2024-11-08 16:30:21,475 INFO L175 Difference]: Start difference. First operand has 231 places, 223 transitions, 542 flow. Second operand 6 states and 1468 transitions. [2024-11-08 16:30:21,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 230 transitions, 622 flow [2024-11-08 16:30:21,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 230 transitions, 618 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 16:30:21,480 INFO L231 Difference]: Finished difference. Result has 233 places, 222 transitions, 546 flow [2024-11-08 16:30:21,480 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=546, PETRI_PLACES=233, PETRI_TRANSITIONS=222} [2024-11-08 16:30:21,481 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -14 predicate places. [2024-11-08 16:30:21,481 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 222 transitions, 546 flow [2024-11-08 16:30:21,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 242.16666666666666) internal successors, (1453), 6 states have internal predecessors, (1453), 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) [2024-11-08 16:30:21,482 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:21,482 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:21,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 16:30:21,483 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 16:30:21,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:21,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1845136529, now seen corresponding path program 1 times [2024-11-08 16:30:21,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:21,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998316017] [2024-11-08 16:30:21,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:21,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:21,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:30:21,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:21,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998316017] [2024-11-08 16:30:21,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998316017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:21,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:21,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:30:21,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052445893] [2024-11-08 16:30:21,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:21,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:30:21,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:21,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:30:21,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:30:21,558 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 269 [2024-11-08 16:30:21,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 222 transitions, 546 flow. Second operand has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 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) [2024-11-08 16:30:21,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:21,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 269 [2024-11-08 16:30:21,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:21,753 INFO L124 PetriNetUnfolderBase]: 143/1100 cut-off events. [2024-11-08 16:30:21,753 INFO L125 PetriNetUnfolderBase]: For 100/121 co-relation queries the response was YES. [2024-11-08 16:30:21,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1510 conditions, 1100 events. 143/1100 cut-off events. For 100/121 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 6809 event pairs, 40 based on Foata normal form. 0/1048 useless extension candidates. Maximal degree in co-relation 1463. Up to 169 conditions per place. [2024-11-08 16:30:21,760 INFO L140 encePairwiseOnDemand]: 266/269 looper letters, 10 selfloop transitions, 2 changer transitions 7/223 dead transitions. [2024-11-08 16:30:21,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 223 transitions, 574 flow [2024-11-08 16:30:21,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:30:21,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:30:21,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 757 transitions. [2024-11-08 16:30:21,763 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9380421313506815 [2024-11-08 16:30:21,763 INFO L175 Difference]: Start difference. First operand has 233 places, 222 transitions, 546 flow. Second operand 3 states and 757 transitions. [2024-11-08 16:30:21,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 223 transitions, 574 flow [2024-11-08 16:30:21,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 223 transitions, 564 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-08 16:30:21,767 INFO L231 Difference]: Finished difference. Result has 229 places, 214 transitions, 500 flow [2024-11-08 16:30:21,768 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=500, PETRI_PLACES=229, PETRI_TRANSITIONS=214} [2024-11-08 16:30:21,768 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -18 predicate places. [2024-11-08 16:30:21,768 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 214 transitions, 500 flow [2024-11-08 16:30:21,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 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) [2024-11-08 16:30:21,769 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:21,769 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:21,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 16:30:21,770 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-11-08 16:30:21,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:21,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1196630076, now seen corresponding path program 1 times [2024-11-08 16:30:21,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:21,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975475944] [2024-11-08 16:30:21,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:21,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:21,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 16:30:21,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:21,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975475944] [2024-11-08 16:30:21,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975475944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:21,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:21,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:30:21,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884210459] [2024-11-08 16:30:21,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:21,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:30:21,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:21,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:30:21,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:30:21,836 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 269 [2024-11-08 16:30:21,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 214 transitions, 500 flow. Second operand has 3 states, 3 states have (on average 249.66666666666666) internal successors, (749), 3 states have internal predecessors, (749), 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) [2024-11-08 16:30:21,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:21,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 269 [2024-11-08 16:30:21,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:22,014 INFO L124 PetriNetUnfolderBase]: 70/993 cut-off events. [2024-11-08 16:30:22,014 INFO L125 PetriNetUnfolderBase]: For 13/20 co-relation queries the response was YES. [2024-11-08 16:30:22,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1266 conditions, 993 events. 70/993 cut-off events. For 13/20 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5927 event pairs, 19 based on Foata normal form. 1/964 useless extension candidates. Maximal degree in co-relation 1219. Up to 61 conditions per place. [2024-11-08 16:30:22,019 INFO L140 encePairwiseOnDemand]: 266/269 looper letters, 0 selfloop transitions, 0 changer transitions 215/215 dead transitions. [2024-11-08 16:30:22,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 215 transitions, 528 flow [2024-11-08 16:30:22,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:30:22,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:30:22,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 757 transitions. [2024-11-08 16:30:22,021 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9380421313506815 [2024-11-08 16:30:22,022 INFO L175 Difference]: Start difference. First operand has 229 places, 214 transitions, 500 flow. Second operand 3 states and 757 transitions. [2024-11-08 16:30:22,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 215 transitions, 528 flow [2024-11-08 16:30:22,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 215 transitions, 504 flow, removed 4 selfloop flow, removed 8 redundant places. [2024-11-08 16:30:22,026 INFO L231 Difference]: Finished difference. Result has 218 places, 0 transitions, 0 flow [2024-11-08 16:30:22,026 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=218, PETRI_TRANSITIONS=0} [2024-11-08 16:30:22,026 INFO L277 CegarLoopForPetriNet]: 247 programPoint places, -29 predicate places. [2024-11-08 16:30:22,026 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 0 transitions, 0 flow [2024-11-08 16:30:22,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.66666666666666) internal successors, (749), 3 states have internal predecessors, (749), 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) [2024-11-08 16:30:22,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2024-11-08 16:30:22,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2024-11-08 16:30:22,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2024-11-08 16:30:22,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2024-11-08 16:30:22,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2024-11-08 16:30:22,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2024-11-08 16:30:22,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2024-11-08 16:30:22,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2024-11-08 16:30:22,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2024-11-08 16:30:22,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2024-11-08 16:30:22,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2024-11-08 16:30:22,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2024-11-08 16:30:22,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2024-11-08 16:30:22,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2024-11-08 16:30:22,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2024-11-08 16:30:22,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2024-11-08 16:30:22,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 46 remaining) [2024-11-08 16:30:22,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 46 remaining) [2024-11-08 16:30:22,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2024-11-08 16:30:22,033 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2024-11-08 16:30:22,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2024-11-08 16:30:22,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2024-11-08 16:30:22,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2024-11-08 16:30:22,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2024-11-08 16:30:22,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2024-11-08 16:30:22,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2024-11-08 16:30:22,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2024-11-08 16:30:22,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 46 remaining) [2024-11-08 16:30:22,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 46 remaining) [2024-11-08 16:30:22,035 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 46 remaining) [2024-11-08 16:30:22,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2024-11-08 16:30:22,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2024-11-08 16:30:22,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2024-11-08 16:30:22,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2024-11-08 16:30:22,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2024-11-08 16:30:22,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2024-11-08 16:30:22,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2024-11-08 16:30:22,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2024-11-08 16:30:22,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2024-11-08 16:30:22,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2024-11-08 16:30:22,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2024-11-08 16:30:22,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2024-11-08 16:30:22,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2024-11-08 16:30:22,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2024-11-08 16:30:22,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2024-11-08 16:30:22,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2024-11-08 16:30:22,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 16:30:22,038 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:22,046 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 16:30:22,046 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:30:22,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:30:22 BasicIcfg [2024-11-08 16:30:22,052 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:30:22,053 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:30:22,053 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:30:22,053 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:30:22,054 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:30:12" (3/4) ... [2024-11-08 16:30:22,055 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 16:30:22,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-08 16:30:22,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-08 16:30:22,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-08 16:30:22,066 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-08 16:30:22,066 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 16:30:22,066 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 16:30:22,067 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 16:30:22,168 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:30:22,168 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 16:30:22,168 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:30:22,169 INFO L158 Benchmark]: Toolchain (without parser) took 10691.78ms. Allocated memory was 186.6MB in the beginning and 341.8MB in the end (delta: 155.2MB). Free memory was 121.6MB in the beginning and 276.8MB in the end (delta: -155.3MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2024-11-08 16:30:22,169 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 186.6MB. Free memory is still 158.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:30:22,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.80ms. Allocated memory is still 186.6MB. Free memory was 121.4MB in the beginning and 155.8MB in the end (delta: -34.4MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-11-08 16:30:22,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.36ms. Allocated memory is still 186.6MB. Free memory was 155.8MB in the beginning and 153.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:30:22,173 INFO L158 Benchmark]: Boogie Preprocessor took 51.67ms. Allocated memory is still 186.6MB. Free memory was 153.7MB in the beginning and 151.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:30:22,174 INFO L158 Benchmark]: RCFGBuilder took 678.38ms. Allocated memory is still 186.6MB. Free memory was 151.6MB in the beginning and 127.4MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 16:30:22,174 INFO L158 Benchmark]: TraceAbstraction took 9330.63ms. Allocated memory was 186.6MB in the beginning and 341.8MB in the end (delta: 155.2MB). Free memory was 126.5MB in the beginning and 282.1MB in the end (delta: -155.6MB). Peak memory consumption was 182.0MB. Max. memory is 16.1GB. [2024-11-08 16:30:22,174 INFO L158 Benchmark]: Witness Printer took 115.42ms. Allocated memory is still 341.8MB. Free memory was 282.1MB in the beginning and 276.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:30:22,176 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 186.6MB. Free memory is still 158.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.80ms. Allocated memory is still 186.6MB. Free memory was 121.4MB in the beginning and 155.8MB in the end (delta: -34.4MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.36ms. Allocated memory is still 186.6MB. Free memory was 155.8MB in the beginning and 153.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.67ms. Allocated memory is still 186.6MB. Free memory was 153.7MB in the beginning and 151.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 678.38ms. Allocated memory is still 186.6MB. Free memory was 151.6MB in the beginning and 127.4MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9330.63ms. Allocated memory was 186.6MB in the beginning and 341.8MB in the end (delta: 155.2MB). Free memory was 126.5MB in the beginning and 282.1MB in the end (delta: -155.6MB). Peak memory consumption was 182.0MB. Max. memory is 16.1GB. * Witness Printer took 115.42ms. Allocated memory is still 341.8MB. Free memory was 282.1MB in the beginning and 276.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 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: 65]: 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: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: 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, 362 locations, 46 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: 9.1s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 991 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 544 mSDsluCounter, 320 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 240 mSDsCounter, 173 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1496 IncrementalHoareTripleChecker+Invalid, 1669 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 173 mSolverCounterUnsat, 80 mSDtfsCounter, 1496 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred in iteration=13, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1543 NumberOfCodeBlocks, 1543 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1525 ConstructedInterpolants, 0 QuantifiedInterpolants, 2231 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 27 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 16:30:22,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0bec20c-fa0f-4dd9-8cc3-8149cfab6d5e/bin/uautomizer-verify-jihMAELWvX/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