./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb1e34e-239f-48f3-96f2-973eca05ecea/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb1e34e-239f-48f3-96f2-973eca05ecea/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb1e34e-239f-48f3-96f2-973eca05ecea/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb1e34e-239f-48f3-96f2-973eca05ecea/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb1e34e-239f-48f3-96f2-973eca05ecea/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb1e34e-239f-48f3-96f2-973eca05ecea/bin/uautomizer-verify-BQ2R08f2Ya --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 f25d9c7e70f7f3d19e85c7cfc6427443102f5451f704dd6a19dd9a78d021a612 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:49:48,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:49:48,929 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb1e34e-239f-48f3-96f2-973eca05ecea/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 05:49:48,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:49:48,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:49:48,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:49:48,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:49:48,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:49:48,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:49:48,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:49:48,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:49:48,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:49:48,960 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:49:48,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:49:48,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:49:48,961 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:49:48,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:49:48,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:49:48,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:49:48,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:49:48,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:49:48,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:49:48,965 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 05:49:48,966 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:49:48,966 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:49:48,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:49:48,967 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:49:48,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:49:48,967 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:49:48,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:49:48,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:49:48,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:49:48,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:49:48,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:49:48,969 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:49:48,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:49:48,970 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:49:48,970 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:49:48,970 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:49:48,970 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:49:48,971 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:49:48,971 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_7bb1e34e-239f-48f3-96f2-973eca05ecea/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb1e34e-239f-48f3-96f2-973eca05ecea/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25d9c7e70f7f3d19e85c7cfc6427443102f5451f704dd6a19dd9a78d021a612 [2023-11-29 05:49:49,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:49:49,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:49:49,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:49:49,219 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:49:49,219 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:49:49,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb1e34e-239f-48f3-96f2-973eca05ecea/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/bench-exp2x3.wvr.c [2023-11-29 05:49:52,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:49:52,248 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:49:52,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb1e34e-239f-48f3-96f2-973eca05ecea/sv-benchmarks/c/weaver/bench-exp2x3.wvr.c [2023-11-29 05:49:52,258 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb1e34e-239f-48f3-96f2-973eca05ecea/bin/uautomizer-verify-BQ2R08f2Ya/data/1415dbf36/a310ec9fcb1e4f33bad58d31186563d5/FLAG60c546c43 [2023-11-29 05:49:52,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb1e34e-239f-48f3-96f2-973eca05ecea/bin/uautomizer-verify-BQ2R08f2Ya/data/1415dbf36/a310ec9fcb1e4f33bad58d31186563d5 [2023-11-29 05:49:52,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:49:52,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:49:52,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:49:52,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:49:52,282 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:49:52,283 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:49:52" (1/1) ... [2023-11-29 05:49:52,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a80c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:49:52, skipping insertion in model container [2023-11-29 05:49:52,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:49:52" (1/1) ... [2023-11-29 05:49:52,309 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:49:52,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:49:52,555 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:49:52,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:49:52,609 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:49:52,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:49:52 WrapperNode [2023-11-29 05:49:52,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:49:52,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:49:52,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:49:52,611 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:49:52,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:49:52" (1/1) ... [2023-11-29 05:49:52,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:49:52" (1/1) ... [2023-11-29 05:49:52,661 INFO L138 Inliner]: procedures = 20, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 173 [2023-11-29 05:49:52,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:49:52,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:49:52,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:49:52,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:49:52,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:49:52" (1/1) ... [2023-11-29 05:49:52,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:49:52" (1/1) ... [2023-11-29 05:49:52,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:49:52" (1/1) ... [2023-11-29 05:49:52,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:49:52" (1/1) ... [2023-11-29 05:49:52,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:49:52" (1/1) ... [2023-11-29 05:49:52,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:49:52" (1/1) ... [2023-11-29 05:49:52,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:49:52" (1/1) ... [2023-11-29 05:49:52,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:49:52" (1/1) ... [2023-11-29 05:49:52,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:49:52,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:49:52,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:49:52,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:49:52,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:49:52" (1/1) ... [2023-11-29 05:49:52,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:49:52,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb1e34e-239f-48f3-96f2-973eca05ecea/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:49:52,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb1e34e-239f-48f3-96f2-973eca05ecea/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:49:52,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb1e34e-239f-48f3-96f2-973eca05ecea/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:49:52,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:49:52,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 05:49:52,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 05:49:52,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 05:49:52,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 05:49:52,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 05:49:52,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 05:49:52,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-29 05:49:52,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-29 05:49:52,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 05:49:52,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:49:52,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 05:49:52,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:49:52,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:49:52,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 05:49:52,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:49:52,792 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 05:49:52,921 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:49:52,923 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:49:53,335 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:49:53,353 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:49:53,354 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 05:49:53,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:49:53 BoogieIcfgContainer [2023-11-29 05:49:53,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:49:53,359 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:49:53,359 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:49:53,363 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:49:53,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:49:52" (1/3) ... [2023-11-29 05:49:53,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a824a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:49:53, skipping insertion in model container [2023-11-29 05:49:53,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:49:52" (2/3) ... [2023-11-29 05:49:53,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a824a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:49:53, skipping insertion in model container [2023-11-29 05:49:53,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:49:53" (3/3) ... [2023-11-29 05:49:53,367 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x3.wvr.c [2023-11-29 05:49:53,377 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 05:49:53,390 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:49:53,391 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2023-11-29 05:49:53,391 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 05:49:53,496 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-29 05:49:53,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 298 places, 299 transitions, 626 flow [2023-11-29 05:49:53,695 INFO L124 PetriNetUnfolderBase]: 14/295 cut-off events. [2023-11-29 05:49:53,695 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 05:49:53,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 295 events. 14/295 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 437 event pairs, 0 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 197. Up to 2 conditions per place. [2023-11-29 05:49:53,707 INFO L82 GeneralOperation]: Start removeDead. Operand has 298 places, 299 transitions, 626 flow [2023-11-29 05:49:53,723 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 268 places, 267 transitions, 558 flow [2023-11-29 05:49:53,732 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:49:53,743 INFO L357 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, mHoare=true, 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;@3ea3ecfb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:49:53,743 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2023-11-29 05:49:53,749 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 05:49:53,750 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-29 05:49:53,750 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 05:49:53,750 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:49:53,751 INFO L208 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] [2023-11-29 05:49:53,751 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:49:53,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:49:53,757 INFO L85 PathProgramCache]: Analyzing trace with hash -324477368, now seen corresponding path program 1 times [2023-11-29 05:49:53,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:49:53,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221614395] [2023-11-29 05:49:53,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:49:53,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:49:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:49:53,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:49:53,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:49:53,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221614395] [2023-11-29 05:49:53,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221614395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:49:53,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:49:53,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:49:53,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386851452] [2023-11-29 05:49:53,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:49:53,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:49:53,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:49:54,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:49:54,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:49:54,065 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 299 [2023-11-29 05:49:54,071 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 267 transitions, 558 flow. Second operand has 3 states, 3 states have (on average 271.3333333333333) internal successors, (814), 3 states have internal predecessors, (814), 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) [2023-11-29 05:49:54,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:49:54,072 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 299 [2023-11-29 05:49:54,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:49:54,196 INFO L124 PetriNetUnfolderBase]: 22/342 cut-off events. [2023-11-29 05:49:54,196 INFO L125 PetriNetUnfolderBase]: For 28/30 co-relation queries the response was YES. [2023-11-29 05:49:54,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 431 conditions, 342 events. 22/342 cut-off events. For 28/30 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1028 event pairs, 12 based on Foata normal form. 37/313 useless extension candidates. Maximal degree in co-relation 294. Up to 46 conditions per place. [2023-11-29 05:49:54,205 INFO L140 encePairwiseOnDemand]: 291/299 looper letters, 18 selfloop transitions, 2 changer transitions 1/261 dead transitions. [2023-11-29 05:49:54,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 261 transitions, 586 flow [2023-11-29 05:49:54,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:49:54,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:49:54,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 836 transitions. [2023-11-29 05:49:54,226 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9319955406911928 [2023-11-29 05:49:54,227 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 836 transitions. [2023-11-29 05:49:54,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 836 transitions. [2023-11-29 05:49:54,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:49:54,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 836 transitions. [2023-11-29 05:49:54,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 278.6666666666667) internal successors, (836), 3 states have internal predecessors, (836), 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) [2023-11-29 05:49:54,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:54,252 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:54,255 INFO L175 Difference]: Start difference. First operand has 268 places, 267 transitions, 558 flow. Second operand 3 states and 836 transitions. [2023-11-29 05:49:54,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 261 transitions, 586 flow [2023-11-29 05:49:54,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 261 transitions, 570 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-29 05:49:54,269 INFO L231 Difference]: Finished difference. Result has 261 places, 260 transitions, 532 flow [2023-11-29 05:49:54,272 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=532, PETRI_PLACES=261, PETRI_TRANSITIONS=260} [2023-11-29 05:49:54,277 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -7 predicate places. [2023-11-29 05:49:54,277 INFO L495 AbstractCegarLoop]: Abstraction has has 261 places, 260 transitions, 532 flow [2023-11-29 05:49:54,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 271.3333333333333) internal successors, (814), 3 states have internal predecessors, (814), 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) [2023-11-29 05:49:54,278 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:49:54,278 INFO L208 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] [2023-11-29 05:49:54,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:49:54,279 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:49:54,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:49:54,280 INFO L85 PathProgramCache]: Analyzing trace with hash -625591412, now seen corresponding path program 1 times [2023-11-29 05:49:54,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:49:54,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019384323] [2023-11-29 05:49:54,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:49:54,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:49:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:49:54,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:49:54,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:49:54,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019384323] [2023-11-29 05:49:54,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019384323] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:49:54,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:49:54,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:49:54,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774700410] [2023-11-29 05:49:54,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:49:54,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:49:54,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:49:54,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:49:54,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:49:54,411 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 299 [2023-11-29 05:49:54,413 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 260 transitions, 532 flow. Second operand has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 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) [2023-11-29 05:49:54,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:49:54,413 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 299 [2023-11-29 05:49:54,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:49:54,535 INFO L124 PetriNetUnfolderBase]: 22/340 cut-off events. [2023-11-29 05:49:54,535 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-29 05:49:54,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 403 conditions, 340 events. 22/340 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 972 event pairs, 12 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 373. Up to 45 conditions per place. [2023-11-29 05:49:54,542 INFO L140 encePairwiseOnDemand]: 296/299 looper letters, 17 selfloop transitions, 2 changer transitions 0/259 dead transitions. [2023-11-29 05:49:54,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 259 transitions, 568 flow [2023-11-29 05:49:54,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:49:54,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:49:54,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 833 transitions. [2023-11-29 05:49:54,548 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9286510590858417 [2023-11-29 05:49:54,548 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 833 transitions. [2023-11-29 05:49:54,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 833 transitions. [2023-11-29 05:49:54,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:49:54,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 833 transitions. [2023-11-29 05:49:54,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 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) [2023-11-29 05:49:54,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:54,558 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:54,558 INFO L175 Difference]: Start difference. First operand has 261 places, 260 transitions, 532 flow. Second operand 3 states and 833 transitions. [2023-11-29 05:49:54,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 259 transitions, 568 flow [2023-11-29 05:49:54,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 259 transitions, 564 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:49:54,569 INFO L231 Difference]: Finished difference. Result has 259 places, 259 transitions, 530 flow [2023-11-29 05:49:54,570 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=530, PETRI_PLACES=259, PETRI_TRANSITIONS=259} [2023-11-29 05:49:54,571 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -9 predicate places. [2023-11-29 05:49:54,571 INFO L495 AbstractCegarLoop]: Abstraction has has 259 places, 259 transitions, 530 flow [2023-11-29 05:49:54,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 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) [2023-11-29 05:49:54,572 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:49:54,572 INFO L208 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] [2023-11-29 05:49:54,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:49:54,573 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:49:54,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:49:54,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1010477430, now seen corresponding path program 1 times [2023-11-29 05:49:54,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:49:54,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45662728] [2023-11-29 05:49:54,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:49:54,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:49:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:49:54,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:49:54,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:49:54,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45662728] [2023-11-29 05:49:54,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45662728] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:49:54,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:49:54,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:49:54,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601333830] [2023-11-29 05:49:54,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:49:54,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:49:54,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:49:54,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:49:54,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:49:54,710 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 299 [2023-11-29 05:49:54,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 259 transitions, 530 flow. Second operand has 3 states, 3 states have (on average 271.3333333333333) internal successors, (814), 3 states have internal predecessors, (814), 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) [2023-11-29 05:49:54,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:49:54,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 299 [2023-11-29 05:49:54,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:49:54,843 INFO L124 PetriNetUnfolderBase]: 22/339 cut-off events. [2023-11-29 05:49:54,843 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-29 05:49:54,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 399 conditions, 339 events. 22/339 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 901 event pairs, 12 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 362. Up to 46 conditions per place. [2023-11-29 05:49:54,849 INFO L140 encePairwiseOnDemand]: 296/299 looper letters, 18 selfloop transitions, 2 changer transitions 0/258 dead transitions. [2023-11-29 05:49:54,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 258 transitions, 568 flow [2023-11-29 05:49:54,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:49:54,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:49:54,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 831 transitions. [2023-11-29 05:49:54,853 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9264214046822743 [2023-11-29 05:49:54,854 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 831 transitions. [2023-11-29 05:49:54,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 831 transitions. [2023-11-29 05:49:54,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:49:54,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 831 transitions. [2023-11-29 05:49:54,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 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) [2023-11-29 05:49:54,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:54,863 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:54,863 INFO L175 Difference]: Start difference. First operand has 259 places, 259 transitions, 530 flow. Second operand 3 states and 831 transitions. [2023-11-29 05:49:54,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 258 transitions, 568 flow [2023-11-29 05:49:54,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 258 transitions, 564 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:49:54,873 INFO L231 Difference]: Finished difference. Result has 258 places, 258 transitions, 528 flow [2023-11-29 05:49:54,874 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=524, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=528, PETRI_PLACES=258, PETRI_TRANSITIONS=258} [2023-11-29 05:49:54,875 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -10 predicate places. [2023-11-29 05:49:54,875 INFO L495 AbstractCegarLoop]: Abstraction has has 258 places, 258 transitions, 528 flow [2023-11-29 05:49:54,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 271.3333333333333) internal successors, (814), 3 states have internal predecessors, (814), 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) [2023-11-29 05:49:54,876 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:49:54,876 INFO L208 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] [2023-11-29 05:49:54,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:49:54,877 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:49:54,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:49:54,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1025875449, now seen corresponding path program 1 times [2023-11-29 05:49:54,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:49:54,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925375687] [2023-11-29 05:49:54,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:49:54,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:49:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:49:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:49:54,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:49:54,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925375687] [2023-11-29 05:49:54,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925375687] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:49:54,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:49:54,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:49:54,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471747870] [2023-11-29 05:49:54,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:49:54,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:49:54,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:49:54,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:49:54,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:49:54,981 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 299 [2023-11-29 05:49:54,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 258 transitions, 528 flow. Second operand has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 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) [2023-11-29 05:49:54,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:49:54,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 299 [2023-11-29 05:49:54,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:49:55,091 INFO L124 PetriNetUnfolderBase]: 22/338 cut-off events. [2023-11-29 05:49:55,092 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-29 05:49:55,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 393 conditions, 338 events. 22/338 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 876 event pairs, 12 based on Foata normal form. 0/273 useless extension candidates. Maximal degree in co-relation 349. Up to 45 conditions per place. [2023-11-29 05:49:55,097 INFO L140 encePairwiseOnDemand]: 296/299 looper letters, 17 selfloop transitions, 2 changer transitions 0/257 dead transitions. [2023-11-29 05:49:55,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 257 transitions, 564 flow [2023-11-29 05:49:55,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:49:55,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:49:55,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 833 transitions. [2023-11-29 05:49:55,101 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9286510590858417 [2023-11-29 05:49:55,101 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 833 transitions. [2023-11-29 05:49:55,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 833 transitions. [2023-11-29 05:49:55,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:49:55,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 833 transitions. [2023-11-29 05:49:55,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 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) [2023-11-29 05:49:55,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:55,110 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:55,110 INFO L175 Difference]: Start difference. First operand has 258 places, 258 transitions, 528 flow. Second operand 3 states and 833 transitions. [2023-11-29 05:49:55,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 257 transitions, 564 flow [2023-11-29 05:49:55,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 257 transitions, 560 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:49:55,118 INFO L231 Difference]: Finished difference. Result has 257 places, 257 transitions, 526 flow [2023-11-29 05:49:55,118 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=526, PETRI_PLACES=257, PETRI_TRANSITIONS=257} [2023-11-29 05:49:55,119 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -11 predicate places. [2023-11-29 05:49:55,120 INFO L495 AbstractCegarLoop]: Abstraction has has 257 places, 257 transitions, 526 flow [2023-11-29 05:49:55,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 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) [2023-11-29 05:49:55,121 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:49:55,121 INFO L208 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] [2023-11-29 05:49:55,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:49:55,121 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:49:55,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:49:55,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1311724351, now seen corresponding path program 1 times [2023-11-29 05:49:55,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:49:55,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770766449] [2023-11-29 05:49:55,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:49:55,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:49:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:49:55,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:49:55,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:49:55,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770766449] [2023-11-29 05:49:55,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770766449] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:49:55,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:49:55,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:49:55,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978175997] [2023-11-29 05:49:55,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:49:55,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:49:55,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:49:55,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:49:55,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:49:55,213 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 273 out of 299 [2023-11-29 05:49:55,215 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 257 transitions, 526 flow. Second operand has 3 states, 3 states have (on average 274.3333333333333) internal successors, (823), 3 states have internal predecessors, (823), 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) [2023-11-29 05:49:55,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:49:55,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 273 of 299 [2023-11-29 05:49:55,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:49:55,444 INFO L124 PetriNetUnfolderBase]: 102/1038 cut-off events. [2023-11-29 05:49:55,444 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2023-11-29 05:49:55,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 1038 events. 102/1038 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 6334 event pairs, 51 based on Foata normal form. 0/793 useless extension candidates. Maximal degree in co-relation 1152. Up to 144 conditions per place. [2023-11-29 05:49:55,461 INFO L140 encePairwiseOnDemand]: 296/299 looper letters, 15 selfloop transitions, 2 changer transitions 0/256 dead transitions. [2023-11-29 05:49:55,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 256 transitions, 558 flow [2023-11-29 05:49:55,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:49:55,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:49:55,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 837 transitions. [2023-11-29 05:49:55,466 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9331103678929766 [2023-11-29 05:49:55,466 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 837 transitions. [2023-11-29 05:49:55,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 837 transitions. [2023-11-29 05:49:55,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:49:55,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 837 transitions. [2023-11-29 05:49:55,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 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) [2023-11-29 05:49:55,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:55,475 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:55,475 INFO L175 Difference]: Start difference. First operand has 257 places, 257 transitions, 526 flow. Second operand 3 states and 837 transitions. [2023-11-29 05:49:55,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 256 transitions, 558 flow [2023-11-29 05:49:55,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 256 transitions, 554 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:49:55,483 INFO L231 Difference]: Finished difference. Result has 256 places, 256 transitions, 524 flow [2023-11-29 05:49:55,483 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=524, PETRI_PLACES=256, PETRI_TRANSITIONS=256} [2023-11-29 05:49:55,484 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -12 predicate places. [2023-11-29 05:49:55,485 INFO L495 AbstractCegarLoop]: Abstraction has has 256 places, 256 transitions, 524 flow [2023-11-29 05:49:55,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 274.3333333333333) internal successors, (823), 3 states have internal predecessors, (823), 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) [2023-11-29 05:49:55,486 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:49:55,486 INFO L208 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] [2023-11-29 05:49:55,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 05:49:55,486 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:49:55,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:49:55,487 INFO L85 PathProgramCache]: Analyzing trace with hash 885132154, now seen corresponding path program 1 times [2023-11-29 05:49:55,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:49:55,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891811389] [2023-11-29 05:49:55,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:49:55,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:49:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:49:55,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:49:55,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:49:55,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891811389] [2023-11-29 05:49:55,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891811389] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:49:55,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:49:55,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:49:55,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543325655] [2023-11-29 05:49:55,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:49:55,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:49:55,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:49:55,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:49:55,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:49:55,577 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 299 [2023-11-29 05:49:55,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 256 transitions, 524 flow. Second operand has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2023-11-29 05:49:55,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:49:55,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 299 [2023-11-29 05:49:55,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:49:55,657 INFO L124 PetriNetUnfolderBase]: 31/332 cut-off events. [2023-11-29 05:49:55,658 INFO L125 PetriNetUnfolderBase]: For 4/8 co-relation queries the response was YES. [2023-11-29 05:49:55,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 332 events. 31/332 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1067 event pairs, 18 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 372. Up to 60 conditions per place. [2023-11-29 05:49:55,663 INFO L140 encePairwiseOnDemand]: 290/299 looper letters, 23 selfloop transitions, 3 changer transitions 0/254 dead transitions. [2023-11-29 05:49:55,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 254 transitions, 575 flow [2023-11-29 05:49:55,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:49:55,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:49:55,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 824 transitions. [2023-11-29 05:49:55,667 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9186176142697882 [2023-11-29 05:49:55,667 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 824 transitions. [2023-11-29 05:49:55,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 824 transitions. [2023-11-29 05:49:55,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:49:55,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 824 transitions. [2023-11-29 05:49:55,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 274.6666666666667) internal successors, (824), 3 states have internal predecessors, (824), 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) [2023-11-29 05:49:55,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:55,675 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:55,675 INFO L175 Difference]: Start difference. First operand has 256 places, 256 transitions, 524 flow. Second operand 3 states and 824 transitions. [2023-11-29 05:49:55,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 254 transitions, 575 flow [2023-11-29 05:49:55,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 254 transitions, 571 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:49:55,683 INFO L231 Difference]: Finished difference. Result has 251 places, 251 transitions, 521 flow [2023-11-29 05:49:55,684 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=521, PETRI_PLACES=251, PETRI_TRANSITIONS=251} [2023-11-29 05:49:55,684 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -17 predicate places. [2023-11-29 05:49:55,685 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 251 transitions, 521 flow [2023-11-29 05:49:55,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2023-11-29 05:49:55,686 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:49:55,686 INFO L208 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] [2023-11-29 05:49:55,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 05:49:55,686 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:49:55,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:49:55,687 INFO L85 PathProgramCache]: Analyzing trace with hash 208488445, now seen corresponding path program 1 times [2023-11-29 05:49:55,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:49:55,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621748087] [2023-11-29 05:49:55,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:49:55,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:49:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:49:55,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:49:55,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:49:55,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621748087] [2023-11-29 05:49:55,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621748087] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:49:55,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:49:55,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:49:55,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967947580] [2023-11-29 05:49:55,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:49:55,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:49:55,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:49:55,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:49:55,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:49:55,766 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2023-11-29 05:49:55,768 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 251 transitions, 521 flow. Second operand has 3 states, 3 states have (on average 268.0) internal successors, (804), 3 states have internal predecessors, (804), 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) [2023-11-29 05:49:55,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:49:55,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2023-11-29 05:49:55,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:49:55,864 INFO L124 PetriNetUnfolderBase]: 31/328 cut-off events. [2023-11-29 05:49:55,865 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-29 05:49:55,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 421 conditions, 328 events. 31/328 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1041 event pairs, 18 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 354. Up to 58 conditions per place. [2023-11-29 05:49:55,870 INFO L140 encePairwiseOnDemand]: 291/299 looper letters, 21 selfloop transitions, 3 changer transitions 0/250 dead transitions. [2023-11-29 05:49:55,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 250 transitions, 570 flow [2023-11-29 05:49:55,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:49:55,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:49:55,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 830 transitions. [2023-11-29 05:49:55,874 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9253065774804905 [2023-11-29 05:49:55,874 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 830 transitions. [2023-11-29 05:49:55,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 830 transitions. [2023-11-29 05:49:55,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:49:55,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 830 transitions. [2023-11-29 05:49:55,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 276.6666666666667) internal successors, (830), 3 states have internal predecessors, (830), 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) [2023-11-29 05:49:55,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:55,882 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:55,882 INFO L175 Difference]: Start difference. First operand has 251 places, 251 transitions, 521 flow. Second operand 3 states and 830 transitions. [2023-11-29 05:49:55,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 250 transitions, 570 flow [2023-11-29 05:49:55,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 250 transitions, 567 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 05:49:55,889 INFO L231 Difference]: Finished difference. Result has 248 places, 247 transitions, 521 flow [2023-11-29 05:49:55,890 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=521, PETRI_PLACES=248, PETRI_TRANSITIONS=247} [2023-11-29 05:49:55,891 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -20 predicate places. [2023-11-29 05:49:55,891 INFO L495 AbstractCegarLoop]: Abstraction has has 248 places, 247 transitions, 521 flow [2023-11-29 05:49:55,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 268.0) internal successors, (804), 3 states have internal predecessors, (804), 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) [2023-11-29 05:49:55,892 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:49:55,892 INFO L208 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] [2023-11-29 05:49:55,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 05:49:55,893 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:49:55,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:49:55,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1611221607, now seen corresponding path program 1 times [2023-11-29 05:49:55,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:49:55,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117183425] [2023-11-29 05:49:55,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:49:55,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:49:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:49:55,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:49:55,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:49:55,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117183425] [2023-11-29 05:49:55,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117183425] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:49:55,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:49:55,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:49:55,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886399888] [2023-11-29 05:49:55,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:49:55,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:49:55,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:49:55,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:49:55,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:49:55,985 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 299 [2023-11-29 05:49:55,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 247 transitions, 521 flow. Second operand has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2023-11-29 05:49:55,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:49:55,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 299 [2023-11-29 05:49:55,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:49:56,104 INFO L124 PetriNetUnfolderBase]: 38/454 cut-off events. [2023-11-29 05:49:56,104 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2023-11-29 05:49:56,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 568 conditions, 454 events. 38/454 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1776 event pairs, 3 based on Foata normal form. 0/400 useless extension candidates. Maximal degree in co-relation 489. Up to 64 conditions per place. [2023-11-29 05:49:56,111 INFO L140 encePairwiseOnDemand]: 289/299 looper letters, 26 selfloop transitions, 4 changer transitions 0/249 dead transitions. [2023-11-29 05:49:56,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 249 transitions, 591 flow [2023-11-29 05:49:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:49:56,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:49:56,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 828 transitions. [2023-11-29 05:49:56,115 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2023-11-29 05:49:56,115 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 828 transitions. [2023-11-29 05:49:56,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 828 transitions. [2023-11-29 05:49:56,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:49:56,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 828 transitions. [2023-11-29 05:49:56,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 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) [2023-11-29 05:49:56,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:56,122 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:56,122 INFO L175 Difference]: Start difference. First operand has 248 places, 247 transitions, 521 flow. Second operand 3 states and 828 transitions. [2023-11-29 05:49:56,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 249 transitions, 591 flow [2023-11-29 05:49:56,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 249 transitions, 588 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 05:49:56,130 INFO L231 Difference]: Finished difference. Result has 244 places, 243 transitions, 526 flow [2023-11-29 05:49:56,130 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=526, PETRI_PLACES=244, PETRI_TRANSITIONS=243} [2023-11-29 05:49:56,131 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -24 predicate places. [2023-11-29 05:49:56,131 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 243 transitions, 526 flow [2023-11-29 05:49:56,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2023-11-29 05:49:56,132 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:49:56,132 INFO L208 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] [2023-11-29 05:49:56,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 05:49:56,132 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:49:56,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:49:56,133 INFO L85 PathProgramCache]: Analyzing trace with hash -2099212054, now seen corresponding path program 1 times [2023-11-29 05:49:56,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:49:56,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493889767] [2023-11-29 05:49:56,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:49:56,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:49:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:49:56,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:49:56,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:49:56,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493889767] [2023-11-29 05:49:56,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493889767] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:49:56,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:49:56,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:49:56,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913641139] [2023-11-29 05:49:56,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:49:56,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:49:56,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:49:56,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:49:56,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:49:56,252 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 299 [2023-11-29 05:49:56,253 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 243 transitions, 526 flow. Second operand has 4 states, 4 states have (on average 273.25) internal successors, (1093), 4 states have internal predecessors, (1093), 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) [2023-11-29 05:49:56,253 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:49:56,253 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 299 [2023-11-29 05:49:56,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:49:56,350 INFO L124 PetriNetUnfolderBase]: 12/402 cut-off events. [2023-11-29 05:49:56,350 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 05:49:56,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 473 conditions, 402 events. 12/402 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1224 event pairs, 0 based on Foata normal form. 0/362 useless extension candidates. Maximal degree in co-relation 321. Up to 26 conditions per place. [2023-11-29 05:49:56,355 INFO L140 encePairwiseOnDemand]: 293/299 looper letters, 19 selfloop transitions, 5 changer transitions 0/248 dead transitions. [2023-11-29 05:49:56,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 248 transitions, 584 flow [2023-11-29 05:49:56,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:49:56,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 05:49:56,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1385 transitions. [2023-11-29 05:49:56,360 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9264214046822743 [2023-11-29 05:49:56,360 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1385 transitions. [2023-11-29 05:49:56,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1385 transitions. [2023-11-29 05:49:56,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:49:56,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1385 transitions. [2023-11-29 05:49:56,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 277.0) internal successors, (1385), 5 states have internal predecessors, (1385), 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) [2023-11-29 05:49:56,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 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) [2023-11-29 05:49:56,372 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 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) [2023-11-29 05:49:56,372 INFO L175 Difference]: Start difference. First operand has 244 places, 243 transitions, 526 flow. Second operand 5 states and 1385 transitions. [2023-11-29 05:49:56,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 248 transitions, 584 flow [2023-11-29 05:49:56,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 248 transitions, 580 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 05:49:56,379 INFO L231 Difference]: Finished difference. Result has 251 places, 247 transitions, 560 flow [2023-11-29 05:49:56,380 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=560, PETRI_PLACES=251, PETRI_TRANSITIONS=247} [2023-11-29 05:49:56,380 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -17 predicate places. [2023-11-29 05:49:56,380 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 247 transitions, 560 flow [2023-11-29 05:49:56,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 273.25) internal successors, (1093), 4 states have internal predecessors, (1093), 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) [2023-11-29 05:49:56,381 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:49:56,381 INFO L208 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] [2023-11-29 05:49:56,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 05:49:56,382 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:49:56,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:49:56,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1862719633, now seen corresponding path program 1 times [2023-11-29 05:49:56,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:49:56,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871801960] [2023-11-29 05:49:56,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:49:56,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:49:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:49:56,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:49:56,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:49:56,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871801960] [2023-11-29 05:49:56,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871801960] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:49:56,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:49:56,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:49:56,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809784999] [2023-11-29 05:49:56,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:49:56,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:49:56,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:49:56,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:49:56,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:49:56,457 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2023-11-29 05:49:56,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 247 transitions, 560 flow. Second operand has 3 states, 3 states have (on average 268.0) internal successors, (804), 3 states have internal predecessors, (804), 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) [2023-11-29 05:49:56,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:49:56,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2023-11-29 05:49:56,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:49:56,617 INFO L124 PetriNetUnfolderBase]: 58/656 cut-off events. [2023-11-29 05:49:56,617 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2023-11-29 05:49:56,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 846 conditions, 656 events. 58/656 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3412 event pairs, 5 based on Foata normal form. 1/586 useless extension candidates. Maximal degree in co-relation 561. Up to 92 conditions per place. [2023-11-29 05:49:56,624 INFO L140 encePairwiseOnDemand]: 291/299 looper letters, 22 selfloop transitions, 3 changer transitions 11/250 dead transitions. [2023-11-29 05:49:56,624 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 250 transitions, 627 flow [2023-11-29 05:49:56,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:49:56,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:49:56,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 833 transitions. [2023-11-29 05:49:56,628 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9286510590858417 [2023-11-29 05:49:56,628 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 833 transitions. [2023-11-29 05:49:56,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 833 transitions. [2023-11-29 05:49:56,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:49:56,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 833 transitions. [2023-11-29 05:49:56,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 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) [2023-11-29 05:49:56,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:56,634 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:56,635 INFO L175 Difference]: Start difference. First operand has 251 places, 247 transitions, 560 flow. Second operand 3 states and 833 transitions. [2023-11-29 05:49:56,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 250 transitions, 627 flow [2023-11-29 05:49:56,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 250 transitions, 627 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 05:49:56,642 INFO L231 Difference]: Finished difference. Result has 249 places, 232 transitions, 540 flow [2023-11-29 05:49:56,643 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=540, PETRI_PLACES=249, PETRI_TRANSITIONS=232} [2023-11-29 05:49:56,643 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -19 predicate places. [2023-11-29 05:49:56,643 INFO L495 AbstractCegarLoop]: Abstraction has has 249 places, 232 transitions, 540 flow [2023-11-29 05:49:56,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 268.0) internal successors, (804), 3 states have internal predecessors, (804), 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) [2023-11-29 05:49:56,644 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:49:56,644 INFO L208 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] [2023-11-29 05:49:56,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 05:49:56,645 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:49:56,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:49:56,645 INFO L85 PathProgramCache]: Analyzing trace with hash -789117212, now seen corresponding path program 1 times [2023-11-29 05:49:56,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:49:56,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066864585] [2023-11-29 05:49:56,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:49:56,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:49:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:49:56,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:49:56,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:49:56,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066864585] [2023-11-29 05:49:56,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066864585] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:49:56,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:49:56,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:49:56,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112825347] [2023-11-29 05:49:56,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:49:56,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:49:56,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:49:56,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:49:56,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:49:56,721 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 299 [2023-11-29 05:49:56,723 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 232 transitions, 540 flow. Second operand has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 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) [2023-11-29 05:49:56,723 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:49:56,723 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 299 [2023-11-29 05:49:56,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:49:57,520 INFO L124 PetriNetUnfolderBase]: 751/4289 cut-off events. [2023-11-29 05:49:57,520 INFO L125 PetriNetUnfolderBase]: For 121/171 co-relation queries the response was YES. [2023-11-29 05:49:57,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5881 conditions, 4289 events. 751/4289 cut-off events. For 121/171 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 42560 event pairs, 349 based on Foata normal form. 0/3728 useless extension candidates. Maximal degree in co-relation 4333. Up to 1015 conditions per place. [2023-11-29 05:49:57,575 INFO L140 encePairwiseOnDemand]: 291/299 looper letters, 19 selfloop transitions, 4 changer transitions 0/235 dead transitions. [2023-11-29 05:49:57,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 235 transitions, 595 flow [2023-11-29 05:49:57,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:49:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:49:57,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 840 transitions. [2023-11-29 05:49:57,579 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9364548494983278 [2023-11-29 05:49:57,579 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 840 transitions. [2023-11-29 05:49:57,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 840 transitions. [2023-11-29 05:49:57,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:49:57,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 840 transitions. [2023-11-29 05:49:57,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 280.0) internal successors, (840), 3 states have internal predecessors, (840), 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) [2023-11-29 05:49:57,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:57,587 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:57,587 INFO L175 Difference]: Start difference. First operand has 249 places, 232 transitions, 540 flow. Second operand 3 states and 840 transitions. [2023-11-29 05:49:57,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 235 transitions, 595 flow [2023-11-29 05:49:57,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 235 transitions, 592 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 05:49:57,599 INFO L231 Difference]: Finished difference. Result has 236 places, 232 transitions, 557 flow [2023-11-29 05:49:57,600 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=529, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=557, PETRI_PLACES=236, PETRI_TRANSITIONS=232} [2023-11-29 05:49:57,600 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -32 predicate places. [2023-11-29 05:49:57,600 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 232 transitions, 557 flow [2023-11-29 05:49:57,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 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) [2023-11-29 05:49:57,601 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:49:57,601 INFO L208 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] [2023-11-29 05:49:57,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 05:49:57,602 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:49:57,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:49:57,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1787673913, now seen corresponding path program 1 times [2023-11-29 05:49:57,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:49:57,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258592574] [2023-11-29 05:49:57,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:49:57,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:49:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:49:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:49:57,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:49:57,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258592574] [2023-11-29 05:49:57,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258592574] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:49:57,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:49:57,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:49:57,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926400842] [2023-11-29 05:49:57,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:49:57,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:49:57,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:49:57,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:49:57,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:49:57,713 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 299 [2023-11-29 05:49:57,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 232 transitions, 557 flow. Second operand has 3 states, 3 states have (on average 275.0) internal successors, (825), 3 states have internal predecessors, (825), 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) [2023-11-29 05:49:57,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:49:57,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 299 [2023-11-29 05:49:57,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:49:58,034 INFO L124 PetriNetUnfolderBase]: 203/1398 cut-off events. [2023-11-29 05:49:58,034 INFO L125 PetriNetUnfolderBase]: For 25/31 co-relation queries the response was YES. [2023-11-29 05:49:58,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2022 conditions, 1398 events. 203/1398 cut-off events. For 25/31 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 10372 event pairs, 64 based on Foata normal form. 0/1249 useless extension candidates. Maximal degree in co-relation 1323. Up to 174 conditions per place. [2023-11-29 05:49:58,050 INFO L140 encePairwiseOnDemand]: 296/299 looper letters, 19 selfloop transitions, 2 changer transitions 0/234 dead transitions. [2023-11-29 05:49:58,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 234 transitions, 606 flow [2023-11-29 05:49:58,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:49:58,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:49:58,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 837 transitions. [2023-11-29 05:49:58,054 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9331103678929766 [2023-11-29 05:49:58,054 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 837 transitions. [2023-11-29 05:49:58,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 837 transitions. [2023-11-29 05:49:58,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:49:58,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 837 transitions. [2023-11-29 05:49:58,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 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) [2023-11-29 05:49:58,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:58,060 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:58,060 INFO L175 Difference]: Start difference. First operand has 236 places, 232 transitions, 557 flow. Second operand 3 states and 837 transitions. [2023-11-29 05:49:58,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 234 transitions, 606 flow [2023-11-29 05:49:58,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 234 transitions, 606 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 05:49:58,067 INFO L231 Difference]: Finished difference. Result has 237 places, 231 transitions, 559 flow [2023-11-29 05:49:58,068 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=555, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=559, PETRI_PLACES=237, PETRI_TRANSITIONS=231} [2023-11-29 05:49:58,068 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -31 predicate places. [2023-11-29 05:49:58,068 INFO L495 AbstractCegarLoop]: Abstraction has has 237 places, 231 transitions, 559 flow [2023-11-29 05:49:58,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 275.0) internal successors, (825), 3 states have internal predecessors, (825), 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) [2023-11-29 05:49:58,069 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:49:58,069 INFO L208 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] [2023-11-29 05:49:58,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 05:49:58,070 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:49:58,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:49:58,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1904601229, now seen corresponding path program 1 times [2023-11-29 05:49:58,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:49:58,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896170371] [2023-11-29 05:49:58,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:49:58,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:49:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:49:58,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:49:58,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:49:58,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896170371] [2023-11-29 05:49:58,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896170371] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:49:58,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:49:58,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:49:58,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957934043] [2023-11-29 05:49:58,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:49:58,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:49:58,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:49:58,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:49:58,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:49:58,164 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 273 out of 299 [2023-11-29 05:49:58,165 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 231 transitions, 559 flow. Second operand has 3 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 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) [2023-11-29 05:49:58,165 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:49:58,165 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 273 of 299 [2023-11-29 05:49:58,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:49:58,585 INFO L124 PetriNetUnfolderBase]: 311/1859 cut-off events. [2023-11-29 05:49:58,586 INFO L125 PetriNetUnfolderBase]: For 88/91 co-relation queries the response was YES. [2023-11-29 05:49:58,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2789 conditions, 1859 events. 311/1859 cut-off events. For 88/91 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 15036 event pairs, 121 based on Foata normal form. 0/1689 useless extension candidates. Maximal degree in co-relation 2696. Up to 298 conditions per place. [2023-11-29 05:49:58,610 INFO L140 encePairwiseOnDemand]: 296/299 looper letters, 18 selfloop transitions, 2 changer transitions 0/233 dead transitions. [2023-11-29 05:49:58,610 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 233 transitions, 606 flow [2023-11-29 05:49:58,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:49:58,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:49:58,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 839 transitions. [2023-11-29 05:49:58,614 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.935340022296544 [2023-11-29 05:49:58,614 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 839 transitions. [2023-11-29 05:49:58,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 839 transitions. [2023-11-29 05:49:58,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:49:58,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 839 transitions. [2023-11-29 05:49:58,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 279.6666666666667) internal successors, (839), 3 states have internal predecessors, (839), 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) [2023-11-29 05:49:58,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:58,621 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:58,621 INFO L175 Difference]: Start difference. First operand has 237 places, 231 transitions, 559 flow. Second operand 3 states and 839 transitions. [2023-11-29 05:49:58,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 233 transitions, 606 flow [2023-11-29 05:49:58,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 233 transitions, 602 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:49:58,629 INFO L231 Difference]: Finished difference. Result has 236 places, 230 transitions, 557 flow [2023-11-29 05:49:58,630 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=553, 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=557, PETRI_PLACES=236, PETRI_TRANSITIONS=230} [2023-11-29 05:49:58,631 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -32 predicate places. [2023-11-29 05:49:58,631 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 230 transitions, 557 flow [2023-11-29 05:49:58,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 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) [2023-11-29 05:49:58,633 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:49:58,633 INFO L208 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] [2023-11-29 05:49:58,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 05:49:58,633 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:49:58,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:49:58,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1307604467, now seen corresponding path program 1 times [2023-11-29 05:49:58,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:49:58,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084002486] [2023-11-29 05:49:58,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:49:58,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:49:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:49:58,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:49:58,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:49:58,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084002486] [2023-11-29 05:49:58,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084002486] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:49:58,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:49:58,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:49:58,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659484530] [2023-11-29 05:49:58,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:49:58,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:49:58,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:49:58,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:49:58,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:49:58,738 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 299 [2023-11-29 05:49:58,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 230 transitions, 557 flow. Second operand has 3 states, 3 states have (on average 275.3333333333333) internal successors, (826), 3 states have internal predecessors, (826), 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) [2023-11-29 05:49:58,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:49:58,740 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 299 [2023-11-29 05:49:58,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:49:59,035 INFO L124 PetriNetUnfolderBase]: 228/1475 cut-off events. [2023-11-29 05:49:59,035 INFO L125 PetriNetUnfolderBase]: For 105/114 co-relation queries the response was YES. [2023-11-29 05:49:59,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2186 conditions, 1475 events. 228/1475 cut-off events. For 105/114 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 10761 event pairs, 82 based on Foata normal form. 0/1346 useless extension candidates. Maximal degree in co-relation 2002. Up to 223 conditions per place. [2023-11-29 05:49:59,051 INFO L140 encePairwiseOnDemand]: 296/299 looper letters, 20 selfloop transitions, 2 changer transitions 0/232 dead transitions. [2023-11-29 05:49:59,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 232 transitions, 608 flow [2023-11-29 05:49:59,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:49:59,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:49:59,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 837 transitions. [2023-11-29 05:49:59,055 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9331103678929766 [2023-11-29 05:49:59,055 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 837 transitions. [2023-11-29 05:49:59,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 837 transitions. [2023-11-29 05:49:59,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:49:59,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 837 transitions. [2023-11-29 05:49:59,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 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) [2023-11-29 05:49:59,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:59,060 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:49:59,060 INFO L175 Difference]: Start difference. First operand has 236 places, 230 transitions, 557 flow. Second operand 3 states and 837 transitions. [2023-11-29 05:49:59,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 232 transitions, 608 flow [2023-11-29 05:49:59,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 232 transitions, 604 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:49:59,067 INFO L231 Difference]: Finished difference. Result has 235 places, 229 transitions, 555 flow [2023-11-29 05:49:59,068 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=551, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=555, PETRI_PLACES=235, PETRI_TRANSITIONS=229} [2023-11-29 05:49:59,068 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -33 predicate places. [2023-11-29 05:49:59,068 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 229 transitions, 555 flow [2023-11-29 05:49:59,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 275.3333333333333) internal successors, (826), 3 states have internal predecessors, (826), 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) [2023-11-29 05:49:59,069 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:49:59,069 INFO L208 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] [2023-11-29 05:49:59,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 05:49:59,069 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:49:59,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:49:59,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1649529630, now seen corresponding path program 1 times [2023-11-29 05:49:59,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:49:59,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658661130] [2023-11-29 05:49:59,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:49:59,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:49:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:49:59,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:49:59,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:49:59,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658661130] [2023-11-29 05:49:59,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658661130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:49:59,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:49:59,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:49:59,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969929774] [2023-11-29 05:49:59,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:49:59,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:49:59,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:49:59,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:49:59,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:49:59,966 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 299 [2023-11-29 05:49:59,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 229 transitions, 555 flow. Second operand has 6 states, 6 states have (on average 275.8333333333333) internal successors, (1655), 6 states have internal predecessors, (1655), 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) [2023-11-29 05:49:59,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:49:59,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 299 [2023-11-29 05:49:59,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:50:00,116 INFO L124 PetriNetUnfolderBase]: 88/955 cut-off events. [2023-11-29 05:50:00,116 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2023-11-29 05:50:00,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1259 conditions, 955 events. 88/955 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5574 event pairs, 8 based on Foata normal form. 0/874 useless extension candidates. Maximal degree in co-relation 1142. Up to 112 conditions per place. [2023-11-29 05:50:00,122 INFO L140 encePairwiseOnDemand]: 294/299 looper letters, 10 selfloop transitions, 4 changer transitions 0/228 dead transitions. [2023-11-29 05:50:00,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 228 transitions, 581 flow [2023-11-29 05:50:00,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:50:00,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:50:00,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1659 transitions. [2023-11-29 05:50:00,128 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9247491638795987 [2023-11-29 05:50:00,128 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1659 transitions. [2023-11-29 05:50:00,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1659 transitions. [2023-11-29 05:50:00,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:50:00,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1659 transitions. [2023-11-29 05:50:00,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 276.5) internal successors, (1659), 6 states have internal predecessors, (1659), 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) [2023-11-29 05:50:00,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 299.0) internal successors, (2093), 7 states have internal predecessors, (2093), 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) [2023-11-29 05:50:00,135 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 299.0) internal successors, (2093), 7 states have internal predecessors, (2093), 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) [2023-11-29 05:50:00,135 INFO L175 Difference]: Start difference. First operand has 235 places, 229 transitions, 555 flow. Second operand 6 states and 1659 transitions. [2023-11-29 05:50:00,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 228 transitions, 581 flow [2023-11-29 05:50:00,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 228 transitions, 577 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:50:00,140 INFO L231 Difference]: Finished difference. Result has 237 places, 228 transitions, 557 flow [2023-11-29 05:50:00,141 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=549, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=557, PETRI_PLACES=237, PETRI_TRANSITIONS=228} [2023-11-29 05:50:00,141 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -31 predicate places. [2023-11-29 05:50:00,141 INFO L495 AbstractCegarLoop]: Abstraction has has 237 places, 228 transitions, 557 flow [2023-11-29 05:50:00,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 275.8333333333333) internal successors, (1655), 6 states have internal predecessors, (1655), 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) [2023-11-29 05:50:00,142 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:50:00,142 INFO L208 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] [2023-11-29 05:50:00,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 05:50:00,143 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:50:00,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:50:00,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1325703409, now seen corresponding path program 1 times [2023-11-29 05:50:00,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:50:00,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526280971] [2023-11-29 05:50:00,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:50:00,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:50:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:50:00,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:50:00,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:50:00,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526280971] [2023-11-29 05:50:00,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526280971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:50:00,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:50:00,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:50:00,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337695214] [2023-11-29 05:50:00,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:50:00,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:50:00,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:50:00,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:50:00,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:50:00,227 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 273 out of 299 [2023-11-29 05:50:00,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 228 transitions, 557 flow. Second operand has 3 states, 3 states have (on average 276.6666666666667) internal successors, (830), 3 states have internal predecessors, (830), 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) [2023-11-29 05:50:00,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:50:00,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 273 of 299 [2023-11-29 05:50:00,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:50:00,403 INFO L124 PetriNetUnfolderBase]: 156/1168 cut-off events. [2023-11-29 05:50:00,403 INFO L125 PetriNetUnfolderBase]: For 75/80 co-relation queries the response was YES. [2023-11-29 05:50:00,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1650 conditions, 1168 events. 156/1168 cut-off events. For 75/80 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 7446 event pairs, 48 based on Foata normal form. 0/1071 useless extension candidates. Maximal degree in co-relation 1225. Up to 138 conditions per place. [2023-11-29 05:50:00,411 INFO L140 encePairwiseOnDemand]: 296/299 looper letters, 18 selfloop transitions, 2 changer transitions 0/230 dead transitions. [2023-11-29 05:50:00,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 230 transitions, 604 flow [2023-11-29 05:50:00,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:50:00,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:50:00,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 839 transitions. [2023-11-29 05:50:00,413 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.935340022296544 [2023-11-29 05:50:00,413 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 839 transitions. [2023-11-29 05:50:00,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 839 transitions. [2023-11-29 05:50:00,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:50:00,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 839 transitions. [2023-11-29 05:50:00,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 279.6666666666667) internal successors, (839), 3 states have internal predecessors, (839), 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) [2023-11-29 05:50:00,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:50:00,417 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 299.0) internal successors, (1196), 4 states have internal predecessors, (1196), 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) [2023-11-29 05:50:00,417 INFO L175 Difference]: Start difference. First operand has 237 places, 228 transitions, 557 flow. Second operand 3 states and 839 transitions. [2023-11-29 05:50:00,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 230 transitions, 604 flow [2023-11-29 05:50:00,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 230 transitions, 597 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 05:50:00,422 INFO L231 Difference]: Finished difference. Result has 234 places, 227 transitions, 552 flow [2023-11-29 05:50:00,422 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=234, PETRI_TRANSITIONS=227} [2023-11-29 05:50:00,423 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -34 predicate places. [2023-11-29 05:50:00,423 INFO L495 AbstractCegarLoop]: Abstraction has has 234 places, 227 transitions, 552 flow [2023-11-29 05:50:00,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 276.6666666666667) internal successors, (830), 3 states have internal predecessors, (830), 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) [2023-11-29 05:50:00,423 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:50:00,423 INFO L208 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] [2023-11-29 05:50:00,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 05:50:00,424 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:50:00,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:50:00,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1845209711, now seen corresponding path program 1 times [2023-11-29 05:50:00,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:50:00,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214981429] [2023-11-29 05:50:00,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:50:00,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:50:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:50:00,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:50:00,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:50:00,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214981429] [2023-11-29 05:50:00,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214981429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:50:00,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:50:00,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:50:00,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060798537] [2023-11-29 05:50:00,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:50:00,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:50:00,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:50:00,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:50:00,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:50:01,101 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 299 [2023-11-29 05:50:01,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 227 transitions, 552 flow. Second operand has 6 states, 6 states have (on average 276.0) internal successors, (1656), 6 states have internal predecessors, (1656), 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) [2023-11-29 05:50:01,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:50:01,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 299 [2023-11-29 05:50:01,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:50:01,237 INFO L124 PetriNetUnfolderBase]: 88/945 cut-off events. [2023-11-29 05:50:01,237 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2023-11-29 05:50:01,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1248 conditions, 945 events. 88/945 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5485 event pairs, 8 based on Foata normal form. 0/874 useless extension candidates. Maximal degree in co-relation 1149. Up to 112 conditions per place. [2023-11-29 05:50:01,244 INFO L140 encePairwiseOnDemand]: 294/299 looper letters, 10 selfloop transitions, 4 changer transitions 0/226 dead transitions. [2023-11-29 05:50:01,245 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 226 transitions, 578 flow [2023-11-29 05:50:01,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:50:01,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:50:01,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1659 transitions. [2023-11-29 05:50:01,250 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9247491638795987 [2023-11-29 05:50:01,250 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1659 transitions. [2023-11-29 05:50:01,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1659 transitions. [2023-11-29 05:50:01,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:50:01,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1659 transitions. [2023-11-29 05:50:01,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 276.5) internal successors, (1659), 6 states have internal predecessors, (1659), 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) [2023-11-29 05:50:01,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 299.0) internal successors, (2093), 7 states have internal predecessors, (2093), 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) [2023-11-29 05:50:01,257 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 299.0) internal successors, (2093), 7 states have internal predecessors, (2093), 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) [2023-11-29 05:50:01,258 INFO L175 Difference]: Start difference. First operand has 234 places, 227 transitions, 552 flow. Second operand 6 states and 1659 transitions. [2023-11-29 05:50:01,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 226 transitions, 578 flow [2023-11-29 05:50:01,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 226 transitions, 574 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:50:01,263 INFO L231 Difference]: Finished difference. Result has 236 places, 226 transitions, 554 flow [2023-11-29 05:50:01,263 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=554, PETRI_PLACES=236, PETRI_TRANSITIONS=226} [2023-11-29 05:50:01,263 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -32 predicate places. [2023-11-29 05:50:01,264 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 226 transitions, 554 flow [2023-11-29 05:50:01,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 276.0) internal successors, (1656), 6 states have internal predecessors, (1656), 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) [2023-11-29 05:50:01,264 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:50:01,264 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:50:01,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 05:50:01,265 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:50:01,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:50:01,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1358943966, now seen corresponding path program 1 times [2023-11-29 05:50:01,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:50:01,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835694362] [2023-11-29 05:50:01,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:50:01,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:50:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:50:01,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:50:01,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:50:01,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835694362] [2023-11-29 05:50:01,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835694362] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:50:01,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:50:01,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:50:01,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288139727] [2023-11-29 05:50:01,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:50:01,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:50:01,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:50:01,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:50:01,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:50:01,951 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 299 [2023-11-29 05:50:01,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 226 transitions, 554 flow. Second operand has 6 states, 6 states have (on average 276.1666666666667) internal successors, (1657), 6 states have internal predecessors, (1657), 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) [2023-11-29 05:50:01,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:50:01,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 299 [2023-11-29 05:50:01,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:50:02,110 INFO L124 PetriNetUnfolderBase]: 88/938 cut-off events. [2023-11-29 05:50:02,110 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-11-29 05:50:02,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1259 conditions, 938 events. 88/938 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5446 event pairs, 8 based on Foata normal form. 0/874 useless extension candidates. Maximal degree in co-relation 1092. Up to 112 conditions per place. [2023-11-29 05:50:02,118 INFO L140 encePairwiseOnDemand]: 294/299 looper letters, 10 selfloop transitions, 4 changer transitions 0/225 dead transitions. [2023-11-29 05:50:02,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 225 transitions, 580 flow [2023-11-29 05:50:02,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:50:02,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:50:02,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1659 transitions. [2023-11-29 05:50:02,124 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9247491638795987 [2023-11-29 05:50:02,124 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1659 transitions. [2023-11-29 05:50:02,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1659 transitions. [2023-11-29 05:50:02,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:50:02,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1659 transitions. [2023-11-29 05:50:02,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 276.5) internal successors, (1659), 6 states have internal predecessors, (1659), 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) [2023-11-29 05:50:02,132 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 299.0) internal successors, (2093), 7 states have internal predecessors, (2093), 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) [2023-11-29 05:50:02,132 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 299.0) internal successors, (2093), 7 states have internal predecessors, (2093), 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) [2023-11-29 05:50:02,132 INFO L175 Difference]: Start difference. First operand has 236 places, 226 transitions, 554 flow. Second operand 6 states and 1659 transitions. [2023-11-29 05:50:02,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 225 transitions, 580 flow [2023-11-29 05:50:02,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 225 transitions, 573 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 05:50:02,138 INFO L231 Difference]: Finished difference. Result has 236 places, 225 transitions, 553 flow [2023-11-29 05:50:02,138 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=545, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=553, PETRI_PLACES=236, PETRI_TRANSITIONS=225} [2023-11-29 05:50:02,139 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -32 predicate places. [2023-11-29 05:50:02,139 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 225 transitions, 553 flow [2023-11-29 05:50:02,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 276.1666666666667) internal successors, (1657), 6 states have internal predecessors, (1657), 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) [2023-11-29 05:50:02,140 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:50:02,140 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:50:02,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 05:50:02,141 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-11-29 05:50:02,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:50:02,141 INFO L85 PathProgramCache]: Analyzing trace with hash 240691287, now seen corresponding path program 1 times [2023-11-29 05:50:02,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:50:02,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718149142] [2023-11-29 05:50:02,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:50:02,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:50:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:50:02,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:50:02,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:50:02,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718149142] [2023-11-29 05:50:02,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718149142] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:50:02,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:50:02,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:50:02,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123070071] [2023-11-29 05:50:02,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:50:02,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:50:02,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:50:02,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:50:02,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:50:03,011 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 299 [2023-11-29 05:50:03,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 225 transitions, 553 flow. Second operand has 6 states, 6 states have (on average 276.3333333333333) internal successors, (1658), 6 states have internal predecessors, (1658), 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) [2023-11-29 05:50:03,013 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:50:03,013 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 299 [2023-11-29 05:50:03,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:50:03,190 INFO L124 PetriNetUnfolderBase]: 88/935 cut-off events. [2023-11-29 05:50:03,190 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2023-11-29 05:50:03,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1255 conditions, 935 events. 88/935 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5437 event pairs, 8 based on Foata normal form. 0/874 useless extension candidates. Maximal degree in co-relation 1138. Up to 112 conditions per place. [2023-11-29 05:50:03,197 INFO L140 encePairwiseOnDemand]: 294/299 looper letters, 0 selfloop transitions, 0 changer transitions 224/224 dead transitions. [2023-11-29 05:50:03,197 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 224 transitions, 579 flow [2023-11-29 05:50:03,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:50:03,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:50:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1659 transitions. [2023-11-29 05:50:03,203 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9247491638795987 [2023-11-29 05:50:03,203 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1659 transitions. [2023-11-29 05:50:03,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1659 transitions. [2023-11-29 05:50:03,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:50:03,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1659 transitions. [2023-11-29 05:50:03,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 276.5) internal successors, (1659), 6 states have internal predecessors, (1659), 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) [2023-11-29 05:50:03,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 299.0) internal successors, (2093), 7 states have internal predecessors, (2093), 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) [2023-11-29 05:50:03,214 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 299.0) internal successors, (2093), 7 states have internal predecessors, (2093), 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) [2023-11-29 05:50:03,214 INFO L175 Difference]: Start difference. First operand has 236 places, 225 transitions, 553 flow. Second operand 6 states and 1659 transitions. [2023-11-29 05:50:03,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 224 transitions, 579 flow [2023-11-29 05:50:03,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 224 transitions, 572 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 05:50:03,220 INFO L231 Difference]: Finished difference. Result has 236 places, 0 transitions, 0 flow [2023-11-29 05:50:03,220 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=236, PETRI_TRANSITIONS=0} [2023-11-29 05:50:03,221 INFO L281 CegarLoopForPetriNet]: 268 programPoint places, -32 predicate places. [2023-11-29 05:50:03,221 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 0 transitions, 0 flow [2023-11-29 05:50:03,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 276.3333333333333) internal successors, (1658), 6 states have internal predecessors, (1658), 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) [2023-11-29 05:50:03,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 63 remaining) [2023-11-29 05:50:03,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2023-11-29 05:50:03,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2023-11-29 05:50:03,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2023-11-29 05:50:03,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2023-11-29 05:50:03,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2023-11-29 05:50:03,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2023-11-29 05:50:03,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2023-11-29 05:50:03,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2023-11-29 05:50:03,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2023-11-29 05:50:03,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2023-11-29 05:50:03,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2023-11-29 05:50:03,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2023-11-29 05:50:03,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2023-11-29 05:50:03,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2023-11-29 05:50:03,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2023-11-29 05:50:03,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2023-11-29 05:50:03,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2023-11-29 05:50:03,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2023-11-29 05:50:03,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2023-11-29 05:50:03,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2023-11-29 05:50:03,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2023-11-29 05:50:03,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2023-11-29 05:50:03,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (39 of 63 remaining) [2023-11-29 05:50:03,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2023-11-29 05:50:03,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2023-11-29 05:50:03,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2023-11-29 05:50:03,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2023-11-29 05:50:03,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2023-11-29 05:50:03,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2023-11-29 05:50:03,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2023-11-29 05:50:03,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2023-11-29 05:50:03,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2023-11-29 05:50:03,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2023-11-29 05:50:03,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 63 remaining) [2023-11-29 05:50:03,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 63 remaining) [2023-11-29 05:50:03,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 63 remaining) [2023-11-29 05:50:03,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 63 remaining) [2023-11-29 05:50:03,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (24 of 63 remaining) [2023-11-29 05:50:03,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (23 of 63 remaining) [2023-11-29 05:50:03,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (22 of 63 remaining) [2023-11-29 05:50:03,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2023-11-29 05:50:03,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2023-11-29 05:50:03,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2023-11-29 05:50:03,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2023-11-29 05:50:03,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2023-11-29 05:50:03,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2023-11-29 05:50:03,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2023-11-29 05:50:03,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2023-11-29 05:50:03,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2023-11-29 05:50:03,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2023-11-29 05:50:03,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2023-11-29 05:50:03,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2023-11-29 05:50:03,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2023-11-29 05:50:03,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2023-11-29 05:50:03,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2023-11-29 05:50:03,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2023-11-29 05:50:03,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2023-11-29 05:50:03,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2023-11-29 05:50:03,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2023-11-29 05:50:03,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2023-11-29 05:50:03,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2023-11-29 05:50:03,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2023-11-29 05:50:03,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 05:50:03,235 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:50:03,242 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 05:50:03,243 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:50:03,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:50:03 BasicIcfg [2023-11-29 05:50:03,249 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:50:03,250 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:50:03,250 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:50:03,250 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:50:03,251 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:49:53" (3/4) ... [2023-11-29 05:50:03,253 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 05:50:03,257 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 05:50:03,257 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 05:50:03,257 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 05:50:03,258 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-29 05:50:03,265 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-29 05:50:03,266 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 05:50:03,266 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 05:50:03,267 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:50:03,389 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb1e34e-239f-48f3-96f2-973eca05ecea/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:50:03,389 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb1e34e-239f-48f3-96f2-973eca05ecea/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 05:50:03,390 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:50:03,390 INFO L158 Benchmark]: Toolchain (without parser) took 11115.28ms. Allocated memory was 167.8MB in the beginning and 450.9MB in the end (delta: 283.1MB). Free memory was 131.6MB in the beginning and 376.9MB in the end (delta: -245.3MB). Peak memory consumption was 255.5MB. Max. memory is 16.1GB. [2023-11-29 05:50:03,391 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory was 89.8MB in the beginning and 89.7MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:50:03,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.93ms. Allocated memory is still 167.8MB. Free memory was 131.1MB in the beginning and 131.6MB in the end (delta: -450.6kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:50:03,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.36ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 129.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:50:03,392 INFO L158 Benchmark]: Boogie Preprocessor took 43.72ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 127.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:50:03,392 INFO L158 Benchmark]: RCFGBuilder took 648.45ms. Allocated memory is still 167.8MB. Free memory was 127.4MB in the beginning and 102.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-29 05:50:03,393 INFO L158 Benchmark]: TraceAbstraction took 9890.35ms. Allocated memory was 167.8MB in the beginning and 375.4MB in the end (delta: 207.6MB). Free memory was 101.6MB in the beginning and 85.4MB in the end (delta: 16.2MB). Peak memory consumption was 226.1MB. Max. memory is 16.1GB. [2023-11-29 05:50:03,393 INFO L158 Benchmark]: Witness Printer took 139.78ms. Allocated memory was 375.4MB in the beginning and 450.9MB in the end (delta: 75.5MB). Free memory was 85.4MB in the beginning and 376.9MB in the end (delta: -291.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:50:03,396 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory was 89.8MB in the beginning and 89.7MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.93ms. Allocated memory is still 167.8MB. Free memory was 131.1MB in the beginning and 131.6MB in the end (delta: -450.6kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.36ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 129.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.72ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 127.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 648.45ms. Allocated memory is still 167.8MB. Free memory was 127.4MB in the beginning and 102.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9890.35ms. Allocated memory was 167.8MB in the beginning and 375.4MB in the end (delta: 207.6MB). Free memory was 101.6MB in the beginning and 85.4MB in the end (delta: 16.2MB). Peak memory consumption was 226.1MB. Max. memory is 16.1GB. * Witness Printer took 139.78ms. Allocated memory was 375.4MB in the beginning and 450.9MB in the end (delta: 75.5MB). Free memory was 85.4MB in the beginning and 376.9MB in the end (delta: -291.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: 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: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: 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: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 382 locations, 63 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: 9.7s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1024 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 403 mSDsluCounter, 189 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 299 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1527 IncrementalHoareTripleChecker+Invalid, 1826 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 299 mSolverCounterUnsat, 178 mSDtfsCounter, 1527 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=560occurred in iteration=9, InterpolantAutomatonStates: 71, 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, 1455 NumberOfCodeBlocks, 1455 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1436 ConstructedInterpolants, 0 QuantifiedInterpolants, 1790 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 39 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 05:50:03,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bb1e34e-239f-48f3-96f2-973eca05ecea/bin/uautomizer-verify-BQ2R08f2Ya/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