./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97c40a-2238-4a26-93af-60e5f08dd071/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97c40a-2238-4a26-93af-60e5f08dd071/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_bc97c40a-2238-4a26-93af-60e5f08dd071/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97c40a-2238-4a26-93af-60e5f08dd071/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97c40a-2238-4a26-93af-60e5f08dd071/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_bc97c40a-2238-4a26-93af-60e5f08dd071/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 b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:15:50,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:15:50,845 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97c40a-2238-4a26-93af-60e5f08dd071/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 05:15:50,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:15:50,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:15:50,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:15:50,876 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:15:50,877 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:15:50,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:15:50,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:15:50,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:15:50,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:15:50,880 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:15:50,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:15:50,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:15:50,881 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:15:50,882 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:15:50,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:15:50,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:15:50,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:15:50,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:15:50,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:15:50,885 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 05:15:50,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:15:50,885 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:15:50,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:15:50,886 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:15:50,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:15:50,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:15:50,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:15:50,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:15:50,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:15:50,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:15:50,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:15:50,890 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:15:50,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:15:50,890 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:15:50,891 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:15:50,891 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:15:50,891 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:15:50,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:15:50,892 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_bc97c40a-2238-4a26-93af-60e5f08dd071/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97c40a-2238-4a26-93af-60e5f08dd071/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 [2023-11-29 05:15:51,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:15:51,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:15:51,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:15:51,132 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:15:51,132 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:15:51,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97c40a-2238-4a26-93af-60e5f08dd071/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-29 05:15:53,852 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:15:54,029 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:15:54,029 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97c40a-2238-4a26-93af-60e5f08dd071/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-29 05:15:54,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97c40a-2238-4a26-93af-60e5f08dd071/bin/uautomizer-verify-BQ2R08f2Ya/data/4a5cb4404/4beb204641ee44a6a4b31c3c860f96e5/FLAG0afcd2750 [2023-11-29 05:15:54,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97c40a-2238-4a26-93af-60e5f08dd071/bin/uautomizer-verify-BQ2R08f2Ya/data/4a5cb4404/4beb204641ee44a6a4b31c3c860f96e5 [2023-11-29 05:15:54,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:15:54,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:15:54,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:15:54,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:15:54,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:15:54,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:15:54" (1/1) ... [2023-11-29 05:15:54,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3d8a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:15:54, skipping insertion in model container [2023-11-29 05:15:54,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:15:54" (1/1) ... [2023-11-29 05:15:54,081 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:15:54,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:15:54,244 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:15:54,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:15:54,279 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:15:54,280 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:15:54,286 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:15:54,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:15:54 WrapperNode [2023-11-29 05:15:54,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:15:54,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:15:54,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:15:54,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:15:54,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:15:54" (1/1) ... [2023-11-29 05:15:54,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:15:54" (1/1) ... [2023-11-29 05:15:54,328 INFO L138 Inliner]: procedures = 23, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 180 [2023-11-29 05:15:54,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:15:54,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:15:54,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:15:54,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:15:54,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:15:54" (1/1) ... [2023-11-29 05:15:54,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:15:54" (1/1) ... [2023-11-29 05:15:54,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:15:54" (1/1) ... [2023-11-29 05:15:54,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:15:54" (1/1) ... [2023-11-29 05:15:54,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:15:54" (1/1) ... [2023-11-29 05:15:54,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:15:54" (1/1) ... [2023-11-29 05:15:54,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:15:54" (1/1) ... [2023-11-29 05:15:54,355 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:15:54" (1/1) ... [2023-11-29 05:15:54,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:15:54,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:15:54,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:15:54,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:15:54,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:15:54" (1/1) ... [2023-11-29 05:15:54,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:15:54,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97c40a-2238-4a26-93af-60e5f08dd071/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:15:54,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97c40a-2238-4a26-93af-60e5f08dd071/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:15:54,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97c40a-2238-4a26-93af-60e5f08dd071/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:15:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:15:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 05:15:54,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 05:15:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 05:15:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 05:15:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 05:15:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 05:15:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-29 05:15:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-29 05:15:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 05:15:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:15:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 05:15:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 05:15:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 05:15:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:15:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:15:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 05:15:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:15:54,418 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 05:15:54,523 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:15:54,524 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:15:54,886 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:15:54,971 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:15:54,972 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 05:15:54,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:15:54 BoogieIcfgContainer [2023-11-29 05:15:54,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:15:54,976 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:15:54,976 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:15:54,979 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:15:54,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:15:54" (1/3) ... [2023-11-29 05:15:54,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a09ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:15:54, skipping insertion in model container [2023-11-29 05:15:54,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:15:54" (2/3) ... [2023-11-29 05:15:54,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a09ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:15:54, skipping insertion in model container [2023-11-29 05:15:54,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:15:54" (3/3) ... [2023-11-29 05:15:54,981 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-4.wvr.c [2023-11-29 05:15:54,988 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 05:15:54,996 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:15:54,996 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2023-11-29 05:15:54,996 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 05:15:55,097 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-29 05:15:55,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 210 places, 207 transitions, 442 flow [2023-11-29 05:15:55,202 INFO L124 PetriNetUnfolderBase]: 10/203 cut-off events. [2023-11-29 05:15:55,202 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 05:15:55,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 203 events. 10/203 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 255 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 124. Up to 2 conditions per place. [2023-11-29 05:15:55,210 INFO L82 GeneralOperation]: Start removeDead. Operand has 210 places, 207 transitions, 442 flow [2023-11-29 05:15:55,217 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 182 places, 178 transitions, 380 flow [2023-11-29 05:15:55,227 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:15:55,234 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;@6d3aa780, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:15:55,234 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2023-11-29 05:15:55,240 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 05:15:55,241 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2023-11-29 05:15:55,241 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 05:15:55,241 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:15:55,242 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] [2023-11-29 05:15:55,242 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-29 05:15:55,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:15:55,248 INFO L85 PathProgramCache]: Analyzing trace with hash -108425781, now seen corresponding path program 1 times [2023-11-29 05:15:55,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:15:55,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322363860] [2023-11-29 05:15:55,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:15:55,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:15:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:15:55,450 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 05:15:55,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:15:55,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322363860] [2023-11-29 05:15:55,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322363860] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:15:55,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:15:55,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:15:55,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548519086] [2023-11-29 05:15:55,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:15:55,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:15:55,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:15:55,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:15:55,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:15:55,533 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 207 [2023-11-29 05:15:55,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 178 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 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 05:15:55,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:15:55,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 207 [2023-11-29 05:15:55,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:15:55,910 INFO L124 PetriNetUnfolderBase]: 399/1435 cut-off events. [2023-11-29 05:15:55,910 INFO L125 PetriNetUnfolderBase]: For 172/184 co-relation queries the response was YES. [2023-11-29 05:15:55,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2121 conditions, 1435 events. 399/1435 cut-off events. For 172/184 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 9824 event pairs, 272 based on Foata normal form. 1/1256 useless extension candidates. Maximal degree in co-relation 1878. Up to 559 conditions per place. [2023-11-29 05:15:55,932 INFO L140 encePairwiseOnDemand]: 185/207 looper letters, 19 selfloop transitions, 2 changer transitions 1/158 dead transitions. [2023-11-29 05:15:55,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 158 transitions, 382 flow [2023-11-29 05:15:55,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:15:55,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:15:55,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 530 transitions. [2023-11-29 05:15:55,948 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8534621578099839 [2023-11-29 05:15:55,949 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 530 transitions. [2023-11-29 05:15:55,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 530 transitions. [2023-11-29 05:15:55,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:15:55,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 530 transitions. [2023-11-29 05:15:55,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 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 05:15:55,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 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 05:15:55,965 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 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 05:15:55,967 INFO L175 Difference]: Start difference. First operand has 182 places, 178 transitions, 380 flow. Second operand 3 states and 530 transitions. [2023-11-29 05:15:55,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 158 transitions, 382 flow [2023-11-29 05:15:55,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 158 transitions, 366 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-29 05:15:55,978 INFO L231 Difference]: Finished difference. Result has 161 places, 157 transitions, 326 flow [2023-11-29 05:15:55,980 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=161, PETRI_TRANSITIONS=157} [2023-11-29 05:15:55,984 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -21 predicate places. [2023-11-29 05:15:55,985 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 157 transitions, 326 flow [2023-11-29 05:15:55,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 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 05:15:55,985 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:15:55,986 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] [2023-11-29 05:15:55,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:15:55,986 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-29 05:15:55,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:15:55,987 INFO L85 PathProgramCache]: Analyzing trace with hash -406462198, now seen corresponding path program 1 times [2023-11-29 05:15:55,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:15:55,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043511400] [2023-11-29 05:15:55,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:15:55,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:15:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:15:56,051 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 05:15:56,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:15:56,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043511400] [2023-11-29 05:15:56,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043511400] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:15:56,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:15:56,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:15:56,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752127520] [2023-11-29 05:15:56,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:15:56,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:15:56,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:15:56,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:15:56,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:15:56,069 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 207 [2023-11-29 05:15:56,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 157 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 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 05:15:56,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:15:56,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 207 [2023-11-29 05:15:56,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:15:56,268 INFO L124 PetriNetUnfolderBase]: 93/613 cut-off events. [2023-11-29 05:15:56,269 INFO L125 PetriNetUnfolderBase]: For 24/26 co-relation queries the response was YES. [2023-11-29 05:15:56,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 765 conditions, 613 events. 93/613 cut-off events. For 24/26 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3070 event pairs, 51 based on Foata normal form. 0/538 useless extension candidates. Maximal degree in co-relation 737. Up to 131 conditions per place. [2023-11-29 05:15:56,276 INFO L140 encePairwiseOnDemand]: 204/207 looper letters, 16 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2023-11-29 05:15:56,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 156 transitions, 360 flow [2023-11-29 05:15:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:15:56,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:15:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 517 transitions. [2023-11-29 05:15:56,279 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8325281803542673 [2023-11-29 05:15:56,280 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 517 transitions. [2023-11-29 05:15:56,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 517 transitions. [2023-11-29 05:15:56,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:15:56,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 517 transitions. [2023-11-29 05:15:56,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 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 05:15:56,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 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 05:15:56,286 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 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 05:15:56,286 INFO L175 Difference]: Start difference. First operand has 161 places, 157 transitions, 326 flow. Second operand 3 states and 517 transitions. [2023-11-29 05:15:56,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 156 transitions, 360 flow [2023-11-29 05:15:56,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 156 transitions, 356 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:15:56,292 INFO L231 Difference]: Finished difference. Result has 159 places, 156 transitions, 324 flow [2023-11-29 05:15:56,292 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=159, PETRI_TRANSITIONS=156} [2023-11-29 05:15:56,293 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -23 predicate places. [2023-11-29 05:15:56,293 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 156 transitions, 324 flow [2023-11-29 05:15:56,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 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 05:15:56,294 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:15:56,294 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] [2023-11-29 05:15:56,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:15:56,295 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-29 05:15:56,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:15:56,295 INFO L85 PathProgramCache]: Analyzing trace with hash -512636740, now seen corresponding path program 1 times [2023-11-29 05:15:56,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:15:56,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275795982] [2023-11-29 05:15:56,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:15:56,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:15:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:15:56,345 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 05:15:56,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:15:56,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275795982] [2023-11-29 05:15:56,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275795982] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:15:56,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:15:56,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:15:56,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221585610] [2023-11-29 05:15:56,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:15:56,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:15:56,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:15:56,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:15:56,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:15:56,357 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 207 [2023-11-29 05:15:56,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 156 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 05:15:56,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:15:56,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 207 [2023-11-29 05:15:56,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:15:56,481 INFO L124 PetriNetUnfolderBase]: 93/612 cut-off events. [2023-11-29 05:15:56,482 INFO L125 PetriNetUnfolderBase]: For 25/27 co-relation queries the response was YES. [2023-11-29 05:15:56,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 761 conditions, 612 events. 93/612 cut-off events. For 25/27 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3078 event pairs, 51 based on Foata normal form. 0/538 useless extension candidates. Maximal degree in co-relation 726. Up to 128 conditions per place. [2023-11-29 05:15:56,490 INFO L140 encePairwiseOnDemand]: 205/207 looper letters, 14 selfloop transitions, 1 changer transitions 0/155 dead transitions. [2023-11-29 05:15:56,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 155 transitions, 352 flow [2023-11-29 05:15:56,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:15:56,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:15:56,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 526 transitions. [2023-11-29 05:15:56,492 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8470209339774557 [2023-11-29 05:15:56,493 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 526 transitions. [2023-11-29 05:15:56,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 526 transitions. [2023-11-29 05:15:56,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:15:56,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 526 transitions. [2023-11-29 05:15:56,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 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 05:15:56,498 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 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 05:15:56,498 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 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 05:15:56,499 INFO L175 Difference]: Start difference. First operand has 159 places, 156 transitions, 324 flow. Second operand 3 states and 526 transitions. [2023-11-29 05:15:56,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 155 transitions, 352 flow [2023-11-29 05:15:56,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 155 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:15:56,504 INFO L231 Difference]: Finished difference. Result has 158 places, 155 transitions, 320 flow [2023-11-29 05:15:56,504 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=320, PETRI_PLACES=158, PETRI_TRANSITIONS=155} [2023-11-29 05:15:56,505 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -24 predicate places. [2023-11-29 05:15:56,505 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 155 transitions, 320 flow [2023-11-29 05:15:56,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 05:15:56,506 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:15:56,506 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] [2023-11-29 05:15:56,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:15:56,507 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-29 05:15:56,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:15:56,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1568729159, now seen corresponding path program 1 times [2023-11-29 05:15:56,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:15:56,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622052508] [2023-11-29 05:15:56,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:15:56,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:15:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:15:56,570 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 05:15:56,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:15:56,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622052508] [2023-11-29 05:15:56,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622052508] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:15:56,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:15:56,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:15:56,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106665461] [2023-11-29 05:15:56,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:15:56,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:15:56,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:15:56,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:15:56,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:15:56,592 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 207 [2023-11-29 05:15:56,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 155 transitions, 320 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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 05:15:56,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:15:56,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 207 [2023-11-29 05:15:56,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:15:57,068 INFO L124 PetriNetUnfolderBase]: 1225/3149 cut-off events. [2023-11-29 05:15:57,068 INFO L125 PetriNetUnfolderBase]: For 85/119 co-relation queries the response was YES. [2023-11-29 05:15:57,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4889 conditions, 3149 events. 1225/3149 cut-off events. For 85/119 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 24899 event pairs, 672 based on Foata normal form. 1/2911 useless extension candidates. Maximal degree in co-relation 4854. Up to 1646 conditions per place. [2023-11-29 05:15:57,131 INFO L140 encePairwiseOnDemand]: 199/207 looper letters, 24 selfloop transitions, 4 changer transitions 0/158 dead transitions. [2023-11-29 05:15:57,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 158 transitions, 385 flow [2023-11-29 05:15:57,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:15:57,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:15:57,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 515 transitions. [2023-11-29 05:15:57,133 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8293075684380032 [2023-11-29 05:15:57,133 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 515 transitions. [2023-11-29 05:15:57,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 515 transitions. [2023-11-29 05:15:57,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:15:57,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 515 transitions. [2023-11-29 05:15:57,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 171.66666666666666) internal successors, (515), 3 states have internal predecessors, (515), 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 05:15:57,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 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 05:15:57,139 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 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 05:15:57,139 INFO L175 Difference]: Start difference. First operand has 158 places, 155 transitions, 320 flow. Second operand 3 states and 515 transitions. [2023-11-29 05:15:57,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 158 transitions, 385 flow [2023-11-29 05:15:57,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 158 transitions, 384 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 05:15:57,143 INFO L231 Difference]: Finished difference. Result has 156 places, 155 transitions, 339 flow [2023-11-29 05:15:57,144 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=156, PETRI_TRANSITIONS=155} [2023-11-29 05:15:57,145 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -26 predicate places. [2023-11-29 05:15:57,145 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 155 transitions, 339 flow [2023-11-29 05:15:57,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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 05:15:57,145 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:15:57,146 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 05:15:57,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:15:57,146 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-29 05:15:57,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:15:57,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1205171195, now seen corresponding path program 1 times [2023-11-29 05:15:57,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:15:57,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212814833] [2023-11-29 05:15:57,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:15:57,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:15:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:15:57,708 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 05:15:57,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:15:57,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212814833] [2023-11-29 05:15:57,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212814833] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:15:57,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:15:57,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:15:57,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946445306] [2023-11-29 05:15:57,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:15:57,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:15:57,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:15:57,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:15:57,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:15:57,969 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 207 [2023-11-29 05:15:57,971 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 155 transitions, 339 flow. Second operand has 6 states, 6 states have (on average 165.83333333333334) internal successors, (995), 6 states have internal predecessors, (995), 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 05:15:57,971 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:15:57,971 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 207 [2023-11-29 05:15:57,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:15:58,123 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([631] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][86], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 230#true, 223#(= |#race~c~0| 0), 89#L93-4true]) [2023-11-29 05:15:58,123 INFO L294 olderBase$Statistics]: this new event has 76 ancestors and is cut-off event [2023-11-29 05:15:58,123 INFO L297 olderBase$Statistics]: existing Event has 62 ancestors and is cut-off event [2023-11-29 05:15:58,123 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-29 05:15:58,124 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-29 05:15:58,194 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [42#$Ultimate##0true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 6#L72-2true, 7#L94-4true, 230#true, 223#(= |#race~c~0| 0)]) [2023-11-29 05:15:58,195 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-29 05:15:58,195 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-29 05:15:58,195 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:15:58,195 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:15:58,197 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 18#$Ultimate##0true, 200#L41-2true, Black: 225#true, 6#L72-2true, 7#L94-4true, 230#true, 223#(= |#race~c~0| 0)]) [2023-11-29 05:15:58,198 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-29 05:15:58,198 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:15:58,198 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-29 05:15:58,198 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:15:58,227 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 6#L72-2true, 7#L94-4true, 230#true, 223#(= |#race~c~0| 0)]) [2023-11-29 05:15:58,227 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event [2023-11-29 05:15:58,227 INFO L297 olderBase$Statistics]: existing Event has 71 ancestors and is cut-off event [2023-11-29 05:15:58,227 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-29 05:15:58,227 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-29 05:15:58,344 INFO L124 PetriNetUnfolderBase]: 775/1907 cut-off events. [2023-11-29 05:15:58,344 INFO L125 PetriNetUnfolderBase]: For 23/57 co-relation queries the response was YES. [2023-11-29 05:15:58,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3085 conditions, 1907 events. 775/1907 cut-off events. For 23/57 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 13021 event pairs, 97 based on Foata normal form. 17/1721 useless extension candidates. Maximal degree in co-relation 3049. Up to 394 conditions per place. [2023-11-29 05:15:58,371 INFO L140 encePairwiseOnDemand]: 202/207 looper letters, 31 selfloop transitions, 4 changer transitions 0/170 dead transitions. [2023-11-29 05:15:58,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 170 transitions, 439 flow [2023-11-29 05:15:58,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:15:58,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:15:58,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1020 transitions. [2023-11-29 05:15:58,375 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.821256038647343 [2023-11-29 05:15:58,375 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1020 transitions. [2023-11-29 05:15:58,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1020 transitions. [2023-11-29 05:15:58,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:15:58,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1020 transitions. [2023-11-29 05:15:58,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 170.0) internal successors, (1020), 6 states have internal predecessors, (1020), 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 05:15:58,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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 05:15:58,385 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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 05:15:58,385 INFO L175 Difference]: Start difference. First operand has 156 places, 155 transitions, 339 flow. Second operand 6 states and 1020 transitions. [2023-11-29 05:15:58,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 170 transitions, 439 flow [2023-11-29 05:15:58,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 170 transitions, 439 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 05:15:58,389 INFO L231 Difference]: Finished difference. Result has 160 places, 154 transitions, 345 flow [2023-11-29 05:15:58,390 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=345, PETRI_PLACES=160, PETRI_TRANSITIONS=154} [2023-11-29 05:15:58,390 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -22 predicate places. [2023-11-29 05:15:58,391 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 154 transitions, 345 flow [2023-11-29 05:15:58,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 165.83333333333334) internal successors, (995), 6 states have internal predecessors, (995), 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 05:15:58,392 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:15:58,392 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] [2023-11-29 05:15:58,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 05:15:58,392 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-29 05:15:58,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:15:58,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1337433226, now seen corresponding path program 1 times [2023-11-29 05:15:58,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:15:58,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539021376] [2023-11-29 05:15:58,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:15:58,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:15:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:15:58,933 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 05:15:58,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:15:58,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539021376] [2023-11-29 05:15:58,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539021376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:15:58,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:15:58,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:15:58,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550431986] [2023-11-29 05:15:58,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:15:58,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:15:58,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:15:58,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:15:58,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:15:59,114 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 207 [2023-11-29 05:15:59,116 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 154 transitions, 345 flow. Second operand has 6 states, 6 states have (on average 166.0) internal successors, (996), 6 states have internal predecessors, (996), 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 05:15:59,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:15:59,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 207 [2023-11-29 05:15:59,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:15:59,196 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([631] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][86], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 230#true, 223#(= |#race~c~0| 0), 237#true, 89#L93-4true]) [2023-11-29 05:15:59,196 INFO L294 olderBase$Statistics]: this new event has 76 ancestors and is cut-off event [2023-11-29 05:15:59,197 INFO L297 olderBase$Statistics]: existing Event has 62 ancestors and is cut-off event [2023-11-29 05:15:59,197 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-29 05:15:59,197 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-29 05:15:59,231 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [42#$Ultimate##0true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 6#L72-2true, 7#L94-4true, 230#true, 223#(= |#race~c~0| 0), 237#true]) [2023-11-29 05:15:59,231 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-29 05:15:59,231 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-29 05:15:59,231 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:15:59,231 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:15:59,233 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 18#$Ultimate##0true, 200#L41-2true, Black: 225#true, 6#L72-2true, 7#L94-4true, 230#true, 223#(= |#race~c~0| 0), 237#true]) [2023-11-29 05:15:59,233 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-29 05:15:59,233 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:15:59,233 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-29 05:15:59,233 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:15:59,270 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 7#L94-4true, 6#L72-2true, 230#true, 223#(= |#race~c~0| 0), 237#true]) [2023-11-29 05:15:59,270 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event [2023-11-29 05:15:59,270 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-29 05:15:59,270 INFO L297 olderBase$Statistics]: existing Event has 71 ancestors and is cut-off event [2023-11-29 05:15:59,271 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-29 05:15:59,370 INFO L124 PetriNetUnfolderBase]: 443/1359 cut-off events. [2023-11-29 05:15:59,370 INFO L125 PetriNetUnfolderBase]: For 25/36 co-relation queries the response was YES. [2023-11-29 05:15:59,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2097 conditions, 1359 events. 443/1359 cut-off events. For 25/36 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 8655 event pairs, 117 based on Foata normal form. 4/1208 useless extension candidates. Maximal degree in co-relation 2060. Up to 207 conditions per place. [2023-11-29 05:15:59,386 INFO L140 encePairwiseOnDemand]: 202/207 looper letters, 27 selfloop transitions, 4 changer transitions 0/165 dead transitions. [2023-11-29 05:15:59,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 165 transitions, 429 flow [2023-11-29 05:15:59,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:15:59,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:15:59,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1016 transitions. [2023-11-29 05:15:59,390 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8180354267310789 [2023-11-29 05:15:59,390 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1016 transitions. [2023-11-29 05:15:59,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1016 transitions. [2023-11-29 05:15:59,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:15:59,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1016 transitions. [2023-11-29 05:15:59,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 169.33333333333334) internal successors, (1016), 6 states have internal predecessors, (1016), 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 05:15:59,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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 05:15:59,399 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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 05:15:59,399 INFO L175 Difference]: Start difference. First operand has 160 places, 154 transitions, 345 flow. Second operand 6 states and 1016 transitions. [2023-11-29 05:15:59,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 165 transitions, 429 flow [2023-11-29 05:15:59,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 165 transitions, 422 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 05:15:59,404 INFO L231 Difference]: Finished difference. Result has 160 places, 153 transitions, 344 flow [2023-11-29 05:15:59,404 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=344, PETRI_PLACES=160, PETRI_TRANSITIONS=153} [2023-11-29 05:15:59,405 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -22 predicate places. [2023-11-29 05:15:59,405 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 153 transitions, 344 flow [2023-11-29 05:15:59,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 166.0) internal successors, (996), 6 states have internal predecessors, (996), 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 05:15:59,406 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:15:59,407 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] [2023-11-29 05:15:59,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 05:15:59,407 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-29 05:15:59,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:15:59,407 INFO L85 PathProgramCache]: Analyzing trace with hash 2072884965, now seen corresponding path program 1 times [2023-11-29 05:15:59,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:15:59,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714566328] [2023-11-29 05:15:59,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:15:59,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:15:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:15:59,937 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 05:15:59,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:15:59,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714566328] [2023-11-29 05:15:59,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714566328] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:15:59,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:15:59,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:15:59,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517794994] [2023-11-29 05:15:59,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:15:59,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:15:59,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:15:59,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:15:59,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:16:00,140 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 207 [2023-11-29 05:16:00,142 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 153 transitions, 344 flow. Second operand has 6 states, 6 states have (on average 166.16666666666666) internal successors, (997), 6 states have internal predecessors, (997), 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 05:16:00,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:16:00,142 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 207 [2023-11-29 05:16:00,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:16:00,225 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([631] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][86], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 244#true, 223#(= |#race~c~0| 0), 237#true, 89#L93-4true]) [2023-11-29 05:16:00,225 INFO L294 olderBase$Statistics]: this new event has 76 ancestors and is cut-off event [2023-11-29 05:16:00,226 INFO L297 olderBase$Statistics]: existing Event has 62 ancestors and is cut-off event [2023-11-29 05:16:00,226 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-29 05:16:00,226 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-29 05:16:00,258 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [42#$Ultimate##0true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 6#L72-2true, 7#L94-4true, 244#true, 223#(= |#race~c~0| 0), 237#true]) [2023-11-29 05:16:00,258 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-29 05:16:00,258 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-29 05:16:00,258 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:16:00,258 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:16:00,260 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 18#$Ultimate##0true, 200#L41-2true, Black: 225#true, 6#L72-2true, 7#L94-4true, 244#true, 223#(= |#race~c~0| 0), 237#true]) [2023-11-29 05:16:00,260 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-29 05:16:00,260 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:16:00,260 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-29 05:16:00,260 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:16:00,271 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 6#L72-2true, 7#L94-4true, 244#true, 223#(= |#race~c~0| 0), 237#true]) [2023-11-29 05:16:00,271 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event [2023-11-29 05:16:00,271 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-29 05:16:00,271 INFO L297 olderBase$Statistics]: existing Event has 71 ancestors and is cut-off event [2023-11-29 05:16:00,272 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-29 05:16:00,369 INFO L124 PetriNetUnfolderBase]: 311/1180 cut-off events. [2023-11-29 05:16:00,369 INFO L125 PetriNetUnfolderBase]: For 33/46 co-relation queries the response was YES. [2023-11-29 05:16:00,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1725 conditions, 1180 events. 311/1180 cut-off events. For 33/46 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 7491 event pairs, 122 based on Foata normal form. 4/1061 useless extension candidates. Maximal degree in co-relation 1688. Up to 225 conditions per place. [2023-11-29 05:16:00,377 INFO L140 encePairwiseOnDemand]: 202/207 looper letters, 23 selfloop transitions, 4 changer transitions 0/160 dead transitions. [2023-11-29 05:16:00,377 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 160 transitions, 412 flow [2023-11-29 05:16:00,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:16:00,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:16:00,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1012 transitions. [2023-11-29 05:16:00,381 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8148148148148148 [2023-11-29 05:16:00,381 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1012 transitions. [2023-11-29 05:16:00,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1012 transitions. [2023-11-29 05:16:00,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:16:00,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1012 transitions. [2023-11-29 05:16:00,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 168.66666666666666) internal successors, (1012), 6 states have internal predecessors, (1012), 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 05:16:00,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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 05:16:00,387 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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 05:16:00,387 INFO L175 Difference]: Start difference. First operand has 160 places, 153 transitions, 344 flow. Second operand 6 states and 1012 transitions. [2023-11-29 05:16:00,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 160 transitions, 412 flow [2023-11-29 05:16:00,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 160 transitions, 405 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 05:16:00,391 INFO L231 Difference]: Finished difference. Result has 160 places, 152 transitions, 343 flow [2023-11-29 05:16:00,391 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=343, PETRI_PLACES=160, PETRI_TRANSITIONS=152} [2023-11-29 05:16:00,392 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -22 predicate places. [2023-11-29 05:16:00,392 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 152 transitions, 343 flow [2023-11-29 05:16:00,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 166.16666666666666) internal successors, (997), 6 states have internal predecessors, (997), 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 05:16:00,393 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:16:00,393 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] [2023-11-29 05:16:00,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 05:16:00,393 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-29 05:16:00,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:16:00,394 INFO L85 PathProgramCache]: Analyzing trace with hash -289049991, now seen corresponding path program 1 times [2023-11-29 05:16:00,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:16:00,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841549230] [2023-11-29 05:16:00,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:16:00,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:16:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:16:00,842 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 05:16:00,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:16:00,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841549230] [2023-11-29 05:16:00,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841549230] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:16:00,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:16:00,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:16:00,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101590895] [2023-11-29 05:16:00,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:16:00,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:16:00,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:16:00,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:16:00,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:16:01,038 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 207 [2023-11-29 05:16:01,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 152 transitions, 343 flow. Second operand has 6 states, 6 states have (on average 166.33333333333334) internal successors, (998), 6 states have internal predecessors, (998), 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 05:16:01,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:16:01,040 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 207 [2023-11-29 05:16:01,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:16:01,111 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([631] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][86], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 251#true, 85#L51-2true, 244#true, 223#(= |#race~c~0| 0), 89#L93-4true]) [2023-11-29 05:16:01,111 INFO L294 olderBase$Statistics]: this new event has 76 ancestors and is cut-off event [2023-11-29 05:16:01,111 INFO L297 olderBase$Statistics]: existing Event has 62 ancestors and is cut-off event [2023-11-29 05:16:01,111 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-29 05:16:01,111 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-29 05:16:01,153 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [42#$Ultimate##0true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 251#true, 6#L72-2true, 244#true, 7#L94-4true, 223#(= |#race~c~0| 0)]) [2023-11-29 05:16:01,154 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-29 05:16:01,154 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-29 05:16:01,154 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:16:01,154 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:16:01,155 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 18#$Ultimate##0true, 200#L41-2true, Black: 225#true, 251#true, 244#true, 6#L72-2true, 7#L94-4true, 223#(= |#race~c~0| 0)]) [2023-11-29 05:16:01,155 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-29 05:16:01,156 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:16:01,156 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-29 05:16:01,156 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:16:01,166 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 85#L51-2true, 251#true, 244#true, 6#L72-2true, 7#L94-4true, 223#(= |#race~c~0| 0)]) [2023-11-29 05:16:01,166 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event [2023-11-29 05:16:01,166 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-29 05:16:01,166 INFO L297 olderBase$Statistics]: existing Event has 71 ancestors and is cut-off event [2023-11-29 05:16:01,167 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-29 05:16:01,230 INFO L124 PetriNetUnfolderBase]: 282/1134 cut-off events. [2023-11-29 05:16:01,231 INFO L125 PetriNetUnfolderBase]: For 36/41 co-relation queries the response was YES. [2023-11-29 05:16:01,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1622 conditions, 1134 events. 282/1134 cut-off events. For 36/41 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 7225 event pairs, 123 based on Foata normal form. 0/1012 useless extension candidates. Maximal degree in co-relation 1585. Up to 231 conditions per place. [2023-11-29 05:16:01,242 INFO L140 encePairwiseOnDemand]: 202/207 looper letters, 19 selfloop transitions, 4 changer transitions 0/155 dead transitions. [2023-11-29 05:16:01,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 155 transitions, 395 flow [2023-11-29 05:16:01,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:16:01,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:16:01,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1008 transitions. [2023-11-29 05:16:01,246 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8115942028985508 [2023-11-29 05:16:01,246 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1008 transitions. [2023-11-29 05:16:01,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1008 transitions. [2023-11-29 05:16:01,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:16:01,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1008 transitions. [2023-11-29 05:16:01,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 168.0) internal successors, (1008), 6 states have internal predecessors, (1008), 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 05:16:01,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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 05:16:01,254 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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 05:16:01,254 INFO L175 Difference]: Start difference. First operand has 160 places, 152 transitions, 343 flow. Second operand 6 states and 1008 transitions. [2023-11-29 05:16:01,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 155 transitions, 395 flow [2023-11-29 05:16:01,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 155 transitions, 388 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 05:16:01,258 INFO L231 Difference]: Finished difference. Result has 160 places, 151 transitions, 342 flow [2023-11-29 05:16:01,259 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=342, PETRI_PLACES=160, PETRI_TRANSITIONS=151} [2023-11-29 05:16:01,259 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -22 predicate places. [2023-11-29 05:16:01,260 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 151 transitions, 342 flow [2023-11-29 05:16:01,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 166.33333333333334) internal successors, (998), 6 states have internal predecessors, (998), 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 05:16:01,260 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:16:01,260 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] [2023-11-29 05:16:01,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 05:16:01,261 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-29 05:16:01,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:16:01,261 INFO L85 PathProgramCache]: Analyzing trace with hash -335791496, now seen corresponding path program 1 times [2023-11-29 05:16:01,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:16:01,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951351566] [2023-11-29 05:16:01,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:16:01,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:16:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:16:01,334 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 05:16:01,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:16:01,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951351566] [2023-11-29 05:16:01,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951351566] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:16:01,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:16:01,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:16:01,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273877442] [2023-11-29 05:16:01,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:16:01,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:16:01,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:16:01,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:16:01,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:16:01,338 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 207 [2023-11-29 05:16:01,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 151 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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 05:16:01,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:16:01,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 207 [2023-11-29 05:16:01,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:16:01,404 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([631] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][86], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 251#true, 85#L51-2true, 223#(= |#race~c~0| 0), 89#L93-4true, 258#true]) [2023-11-29 05:16:01,404 INFO L294 olderBase$Statistics]: this new event has 76 ancestors and is cut-off event [2023-11-29 05:16:01,404 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-29 05:16:01,404 INFO L297 olderBase$Statistics]: existing Event has 62 ancestors and is cut-off event [2023-11-29 05:16:01,404 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-29 05:16:01,435 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [42#$Ultimate##0true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 251#true, 85#L51-2true, 7#L94-4true, 6#L72-2true, 223#(= |#race~c~0| 0), 258#true]) [2023-11-29 05:16:01,435 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-29 05:16:01,436 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:16:01,436 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-29 05:16:01,436 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:16:01,437 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 18#$Ultimate##0true, 200#L41-2true, Black: 225#true, 251#true, 6#L72-2true, 7#L94-4true, 223#(= |#race~c~0| 0), 258#true]) [2023-11-29 05:16:01,437 INFO L294 olderBase$Statistics]: this new event has 82 ancestors and is cut-off event [2023-11-29 05:16:01,438 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:16:01,438 INFO L297 olderBase$Statistics]: existing Event has 68 ancestors and is cut-off event [2023-11-29 05:16:01,438 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-29 05:16:01,449 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([649] L72-7-->L72-2: Formula: (= |v_#race~N~0_10| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_10|} AuxVars[] AssignedVars[#race~N~0][105], [34#L62-2true, 227#(= |#race~N~0| 0), 200#L41-2true, Black: 225#true, 251#true, 85#L51-2true, 6#L72-2true, 7#L94-4true, 223#(= |#race~c~0| 0), 258#true]) [2023-11-29 05:16:01,449 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event [2023-11-29 05:16:01,449 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-29 05:16:01,449 INFO L297 olderBase$Statistics]: existing Event has 71 ancestors and is cut-off event [2023-11-29 05:16:01,449 INFO L297 olderBase$Statistics]: existing Event has 78 ancestors and is cut-off event [2023-11-29 05:16:01,501 INFO L124 PetriNetUnfolderBase]: 277/1123 cut-off events. [2023-11-29 05:16:01,501 INFO L125 PetriNetUnfolderBase]: For 37/43 co-relation queries the response was YES. [2023-11-29 05:16:01,506 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1586 conditions, 1123 events. 277/1123 cut-off events. For 37/43 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 7217 event pairs, 123 based on Foata normal form. 1/1002 useless extension candidates. Maximal degree in co-relation 1559. Up to 230 conditions per place. [2023-11-29 05:16:01,507 INFO L140 encePairwiseOnDemand]: 205/207 looper letters, 0 selfloop transitions, 0 changer transitions 150/150 dead transitions. [2023-11-29 05:16:01,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 150 transitions, 366 flow [2023-11-29 05:16:01,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:16:01,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:16:01,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2023-11-29 05:16:01,510 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8486312399355878 [2023-11-29 05:16:01,510 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 527 transitions. [2023-11-29 05:16:01,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 527 transitions. [2023-11-29 05:16:01,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:16:01,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 527 transitions. [2023-11-29 05:16:01,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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 05:16:01,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 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 05:16:01,514 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 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 05:16:01,514 INFO L175 Difference]: Start difference. First operand has 160 places, 151 transitions, 342 flow. Second operand 3 states and 527 transitions. [2023-11-29 05:16:01,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 150 transitions, 366 flow [2023-11-29 05:16:01,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 150 transitions, 359 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 05:16:01,517 INFO L231 Difference]: Finished difference. Result has 157 places, 0 transitions, 0 flow [2023-11-29 05:16:01,517 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=333, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=157, PETRI_TRANSITIONS=0} [2023-11-29 05:16:01,518 INFO L281 CegarLoopForPetriNet]: 182 programPoint places, -25 predicate places. [2023-11-29 05:16:01,518 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 0 transitions, 0 flow [2023-11-29 05:16:01,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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 05:16:01,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 48 remaining) [2023-11-29 05:16:01,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 48 remaining) [2023-11-29 05:16:01,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 48 remaining) [2023-11-29 05:16:01,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 48 remaining) [2023-11-29 05:16:01,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 48 remaining) [2023-11-29 05:16:01,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 48 remaining) [2023-11-29 05:16:01,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 48 remaining) [2023-11-29 05:16:01,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 48 remaining) [2023-11-29 05:16:01,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 48 remaining) [2023-11-29 05:16:01,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (38 of 48 remaining) [2023-11-29 05:16:01,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (37 of 48 remaining) [2023-11-29 05:16:01,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (36 of 48 remaining) [2023-11-29 05:16:01,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (35 of 48 remaining) [2023-11-29 05:16:01,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 48 remaining) [2023-11-29 05:16:01,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 48 remaining) [2023-11-29 05:16:01,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 48 remaining) [2023-11-29 05:16:01,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 48 remaining) [2023-11-29 05:16:01,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 48 remaining) [2023-11-29 05:16:01,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 48 remaining) [2023-11-29 05:16:01,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 48 remaining) [2023-11-29 05:16:01,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 48 remaining) [2023-11-29 05:16:01,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 48 remaining) [2023-11-29 05:16:01,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 48 remaining) [2023-11-29 05:16:01,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 48 remaining) [2023-11-29 05:16:01,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 48 remaining) [2023-11-29 05:16:01,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (22 of 48 remaining) [2023-11-29 05:16:01,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (21 of 48 remaining) [2023-11-29 05:16:01,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (20 of 48 remaining) [2023-11-29 05:16:01,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (19 of 48 remaining) [2023-11-29 05:16:01,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (18 of 48 remaining) [2023-11-29 05:16:01,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 48 remaining) [2023-11-29 05:16:01,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 48 remaining) [2023-11-29 05:16:01,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 48 remaining) [2023-11-29 05:16:01,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 48 remaining) [2023-11-29 05:16:01,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 48 remaining) [2023-11-29 05:16:01,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 48 remaining) [2023-11-29 05:16:01,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (11 of 48 remaining) [2023-11-29 05:16:01,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (10 of 48 remaining) [2023-11-29 05:16:01,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 48 remaining) [2023-11-29 05:16:01,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 48 remaining) [2023-11-29 05:16:01,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 48 remaining) [2023-11-29 05:16:01,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 48 remaining) [2023-11-29 05:16:01,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 48 remaining) [2023-11-29 05:16:01,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (4 of 48 remaining) [2023-11-29 05:16:01,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (3 of 48 remaining) [2023-11-29 05:16:01,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (2 of 48 remaining) [2023-11-29 05:16:01,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (1 of 48 remaining) [2023-11-29 05:16:01,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (0 of 48 remaining) [2023-11-29 05:16:01,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 05:16:01,529 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:16:01,535 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 05:16:01,535 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:16:01,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:16:01 BasicIcfg [2023-11-29 05:16:01,540 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:16:01,541 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:16:01,541 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:16:01,541 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:16:01,542 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:15:54" (3/4) ... [2023-11-29 05:16:01,543 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 05:16:01,546 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 05:16:01,546 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 05:16:01,546 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 05:16:01,546 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-29 05:16:01,551 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-29 05:16:01,551 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 05:16:01,552 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 05:16:01,552 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:16:01,639 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97c40a-2238-4a26-93af-60e5f08dd071/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:16:01,639 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97c40a-2238-4a26-93af-60e5f08dd071/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 05:16:01,640 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:16:01,640 INFO L158 Benchmark]: Toolchain (without parser) took 7586.80ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 118.4MB in the beginning and 78.2MB in the end (delta: 40.2MB). Peak memory consumption was 156.5MB. Max. memory is 16.1GB. [2023-11-29 05:16:01,640 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:16:01,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.94ms. Allocated memory is still 148.9MB. Free memory was 118.3MB in the beginning and 106.0MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 05:16:01,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.67ms. Allocated memory is still 148.9MB. Free memory was 106.0MB in the beginning and 103.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:16:01,642 INFO L158 Benchmark]: Boogie Preprocessor took 28.46ms. Allocated memory is still 148.9MB. Free memory was 103.9MB in the beginning and 101.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:16:01,642 INFO L158 Benchmark]: RCFGBuilder took 615.10ms. Allocated memory is still 148.9MB. Free memory was 101.8MB in the beginning and 70.8MB in the end (delta: 31.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-29 05:16:01,642 INFO L158 Benchmark]: TraceAbstraction took 6564.53ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 70.4MB in the beginning and 83.4MB in the end (delta: -13.0MB). Peak memory consumption was 101.9MB. Max. memory is 16.1GB. [2023-11-29 05:16:01,643 INFO L158 Benchmark]: Witness Printer took 98.79ms. Allocated memory is still 262.1MB. Free memory was 83.4MB in the beginning and 78.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:16:01,644 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.94ms. Allocated memory is still 148.9MB. Free memory was 118.3MB in the beginning and 106.0MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.67ms. Allocated memory is still 148.9MB. Free memory was 106.0MB in the beginning and 103.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.46ms. Allocated memory is still 148.9MB. Free memory was 103.9MB in the beginning and 101.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.10ms. Allocated memory is still 148.9MB. Free memory was 101.8MB in the beginning and 70.8MB in the end (delta: 31.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6564.53ms. Allocated memory was 148.9MB in the beginning and 262.1MB in the end (delta: 113.2MB). Free memory was 70.4MB in the beginning and 83.4MB in the end (delta: -13.0MB). Peak memory consumption was 101.9MB. Max. memory is 16.1GB. * Witness Printer took 98.79ms. Allocated memory is still 262.1MB. Free memory was 83.4MB in the beginning and 78.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: 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: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 272 locations, 48 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: 6.4s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 468 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 256 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 233 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 999 IncrementalHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 233 mSolverCounterUnsat, 29 mSDtfsCounter, 999 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=380occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 614 NumberOfCodeBlocks, 614 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 605 ConstructedInterpolants, 0 QuantifiedInterpolants, 939 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 26 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 05:16:01,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc97c40a-2238-4a26-93af-60e5f08dd071/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